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snubber cell</title> <meta name="description" content="Search results for: Active snubber cell"> <meta name="keywords" content="Active snubber cell"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none 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action="https://publications.waset.org/search"> <div id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="Active snubber cell"> <input type="submit" class="btn_search" value="Search"> </div> </div> </form> </div> </div> <div class="row mt-3"> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Commenced</strong> in January 2007</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Frequency:</strong> Monthly</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Edition:</strong> International</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Paper Count:</strong> 1706</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Active snubber cell</h1> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1706</span> ZVZCT PWM Boost DC-DC Converter</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=%C4%B0smail%20Aksoy">陌smail Aksoy</a>, <a href="https://publications.waset.org/search?q=Hac%C4%B1%20Bodur"> Hac谋 Bodur</a>, <a href="https://publications.waset.org/search?q=Nihan%20Alt%C4%B1ntas"> Nihan Alt谋ntas</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper introduces a boost converter with a new active snubber cell. In this circuit, all of the semiconductor components in the converter softly turns on and turns off with the help of the active snubber cell. Compared to the other converters, the proposed converter has advantages of size, number of components and cost. The main feature of proposed converter is that the extra voltage stresses do not occur on the main switches and main diodes. Also, the current stress on the main switch is acceptable level. Moreover, the proposed converter can operates under light load conditions and wide input line voltage. In this study, the operating principle of the proposed converter is presented and its operation is verified with the Proteus simulation software for a 1 kW and 100 kHz model. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Active%20snubber%20cell" title="Active snubber cell">Active snubber cell</a>, <a href="https://publications.waset.org/search?q=boost%20converter" title=" boost converter"> boost converter</a>, <a href="https://publications.waset.org/search?q=zero%20current%0D%0Aswitching" title=" zero current switching"> zero current switching</a>, <a href="https://publications.waset.org/search?q=zero%20voltage%20switching." title=" zero voltage switching."> zero voltage switching.</a> </p> <a href="https://publications.waset.org/10002137/zvzct-pwm-boost-dc-dc-converter" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10002137/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10002137/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10002137/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10002137/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10002137/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10002137/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10002137/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10002137/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10002137/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10002137/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10002137.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2498</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1705</span> A Soft Switching PWM DC-DC Boost Converter with Increased Efficiency by Using ZVT-ZCT Techniques</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Yakup%20Sahin">Yakup Sahin</a>, <a href="https://publications.waset.org/search?q=Naim%20Suleyman%20Ting"> Naim Suleyman Ting</a>, <a href="https://publications.waset.org/search?q=Ismail%20Aksoy"> Ismail Aksoy</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, an improved active snubber cell is proposed on account of soft switching (SS) family of pulse width modulation (PWM) DC-DC converters. The improved snubber cell provides zero-voltage transition (ZVT) turn on and zero-current transition (ZCT) turn off for main switch. The snubber cell decreases EMI noise and operates with SS in a wide range of line and load voltages. Besides, all of the semiconductor devices in the converter operate with SS. There is no additional voltage and current stress on the main devices. Additionally, extra voltage stress does not occur on the auxiliary switch and its current stress is acceptable value. The improved converter has a low cost and simple structure. The theoretical analysis of converter is clarified and the operating states are given in detail. The experimental results of converter are obtained by prototype of 500 W and 100 kHz. It is observed that the experimental results and theoretical analysis of converter are suitable with each other perfectly. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Active%20snubber%20cells" title="Active snubber cells">Active snubber cells</a>, <a href="https://publications.waset.org/search?q=DC-DC%20converters" title=" DC-DC converters"> DC-DC converters</a>, <a href="https://publications.waset.org/search?q=zero-voltage%20transition" title=" zero-voltage transition"> zero-voltage transition</a>, <a href="https://publications.waset.org/search?q=zero-current%20transition." title=" zero-current transition."> zero-current transition.</a> </p> <a href="https://publications.waset.org/10003537/a-soft-switching-pwm-dc-dc-boost-converter-with-increased-efficiency-by-using-zvt-zct-techniques" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10003537/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10003537/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10003537/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10003537/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10003537/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10003537/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10003537/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10003537/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10003537/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10003537/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10003537.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1929</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1704</span> 1 kW Power Factor Correction Soft Switching Boost Converter with an Active Snubber Cell</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Yakup%20Sahin">Yakup Sahin</a>, <a href="https://publications.waset.org/search?q=Naim%20Suleyman%20Ting"> Naim Suleyman Ting</a>, <a href="https://publications.waset.org/search?q=Ismail%20Aksoy"> Ismail Aksoy</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>A 1 kW power factor correction boost converter with an active snubber cell is presented in this paper. In the converter, the main switch turns on under zero voltage transition (ZVT) and turns off under zero current transition (ZCT) without any additional voltage or current stress. The auxiliary switch turns on and off under zero current switching (ZCS). Besides, the main diode turns on under ZVS and turns off under ZCS. The output current and voltage are controlled by the PFC converter in wide line and load range. The simulation results of converter are obtained for 1 kW and 100 kHz. One of the most important feature of the given converter is that it has direct power transfer as well as excellent soft switching techniques. Also, the converter has 0.99 power factor with the sinusoidal input current shape.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Power%20factor%20correction" title="Power factor correction">Power factor correction</a>, <a href="https://publications.waset.org/search?q=direct%20power%20transfer" title=" direct power transfer"> direct power transfer</a>, <a href="https://publications.waset.org/search?q=zero-voltage%20transition" title=" zero-voltage transition"> zero-voltage transition</a>, <a href="https://publications.waset.org/search?q=zero-current%20transition" title=" zero-current transition"> zero-current transition</a>, <a href="https://publications.waset.org/search?q=soft%20switching." title=" soft switching."> soft switching.</a> </p> <a href="https://publications.waset.org/10004504/1-kw-power-factor-correction-soft-switching-boost-converter-with-an-active-snubber-cell" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10004504/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10004504/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10004504/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10004504/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10004504/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10004504/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10004504/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10004504/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10004504/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10004504/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10004504.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1842</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1703</span> The Experience with SiC MOSFET and Buck Converter Snubber Design</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=P.%20Vaculik">P. Vaculik</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>The newest semiconductor devices on the market are MOSFET transistors based on the silicon carbide – SiC. This material has exclusive features thanks to which it becomes a better switch than Si – silicon semiconductor switch. There are some special features that need to be understood to enable the device’s use to its full potential. The advantages and differences of SiC MOSFETs in comparison with Si IGBT transistors have been described in first part of this article. Second part describes driver for SiC MOSFET transistor and last part of article represents SiC MOSFET in the application of buck converter (step-down) and design of simple RC snubber. </p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=SiC" title="SiC">SiC</a>, <a href="https://publications.waset.org/search?q=Si" title=" Si"> Si</a>, <a href="https://publications.waset.org/search?q=MOSFET" title=" MOSFET"> MOSFET</a>, <a href="https://publications.waset.org/search?q=IGBT" title=" IGBT"> IGBT</a>, <a href="https://publications.waset.org/search?q=SBD" title=" SBD"> SBD</a>, <a href="https://publications.waset.org/search?q=RC%20snubber." title=" RC snubber. "> RC snubber. </a> </p> <a href="https://publications.waset.org/9997123/the-experience-with-sic-mosfet-and-buck-converter-snubber-design" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/9997123/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/9997123/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/9997123/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/9997123/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/9997123/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/9997123/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/9997123/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/9997123/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/9997123/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/9997123/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/9997123.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">5591</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1702</span> Parametric Investigation of Aircraft Door鈥檚 Emergency Power Assist System (EPAS)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Marshal%20D.%20Kafle">Marshal D. Kafle</a>, <a href="https://publications.waset.org/search?q=Jun%20H.%20Kim"> Jun H. Kim</a>, <a href="https://publications.waset.org/search?q=Hyun%20W.%20Been"> Hyun W. Been</a>, <a href="https://publications.waset.org/search?q=Kyoung%20M.%20Min"> Kyoung M. Min</a>, <a href="https://publications.waset.org/search?q=Sung%20H.%20Kim"> Sung H. Kim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Fluid viscous damping systems are well suited for many air vehicles subjected to shock and vibration. These damping system work with the principle of viscous fluid throttling through the orifice to create huge pressure difference between compression and rebound chamber and obtain the required damping force. One application of such systems is its use in aircraft door system to counteract the door’s velocity and safely stop it. In exigency situations like crash or emergency landing where the door doesn’t open easily, possibly due to unusually tilting of fuselage or some obstacles or intrusion of debris obstruction to move the parts of the door, such system can be combined with other systems to provide needed force to forcefully open the door and also securely stop it simultaneously within the required time i.e. less than 8 seconds. In the present study, a hydraulic system called snubber along with other systems like actuator, gas bottle assembly which together known as emergency power assist system (EPAS) is designed, built and experimentally studied to check the magnitude of angular velocity, damping force and time required to effectively open the door. Whenever needed, the gas pressure from the bottle is released to actuate the actuator and at the same time pull the snubber’s piston to operate the emergency opening of the door. Such EPAS installed in the suspension arm of the aircraft door is studied explicitly changing parameters like orifice size, oil level, oil viscosity and bypass valve gap and its spring of the snubber at varying temperature to generate the optimum design case. Comparative analysis of the EPAS at several cases is done and conclusions are made. It is found that during emergency condition, the system opening time and angular velocity, when snubber with 0.3mm piston and shaft orifice and bypass valve gap of 0.5 mm with its original spring is used, shows significant improvement over the old ones.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Aircraft%20Door%20Damper" title="Aircraft Door Damper">Aircraft Door Damper</a>, <a href="https://publications.waset.org/search?q=Bypass%20Valve" title=" Bypass Valve"> Bypass Valve</a>, <a href="https://publications.waset.org/search?q=Emergency%0D%0APower%20Assist%20System" title=" Emergency Power Assist System"> Emergency Power Assist System</a>, <a href="https://publications.waset.org/search?q=Hydraulic%20Damper" title=" Hydraulic Damper"> Hydraulic Damper</a>, <a href="https://publications.waset.org/search?q=Oil%20viscosity." title=" Oil viscosity."> Oil viscosity.</a> </p> <a href="https://publications.waset.org/10000752/parametric-investigation-of-aircraft-doors-emergency-power-assist-system-epas" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10000752/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10000752/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10000752/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10000752/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10000752/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10000752/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10000752/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10000752/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10000752/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10000752/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10000752.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">4123</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1701</span> A Comprehensive Evaluation of IGBTs Performance under Zero Current Switching</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Ly.%20Benbahouche">Ly. Benbahouche</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Currently, several soft switching topologies have been studied to achieve high power switching efficiency, reduced cost, improved reliability and reduced parasites. It is well known that improvement in power electronics systems always depend on advanced in power devices. The IGBT has been successfully used in a variety of switching applications such as motor drives and appliance control because of its superior characteristics.</p> <p>The aim of this paper is focuses on simulation and explication of the internal dynamics of IGBTs behaviour under the most popular soft switching schemas that is Zero Current Switching (ZCS) environments.</p> <p>The main purpose of this paper is to point out some mechanisms relating to current tail during the turn-off and examination of the response at turn-off with variation of temperature, inductance L, snubber capacitors Cs, and bus voltage in order to achieve an improved understanding of internal carrier dynamics. It is shown that the snubber capacitor, the inductance and even the temperature controls the magnitude and extent of the tail current, hence the turn-off time (switching speed of the device).</p> <p>Moreover, it has also been demonstrated that the ZCS switching can be utilized efficiently to improve and reduce the power losses as well as the turn-off time. Furthermore, the turn-off loss in ZCS was found to depend on the time of switching of the device.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=PT-IGBT" title="PT-IGBT">PT-IGBT</a>, <a href="https://publications.waset.org/search?q=ZCS" title=" ZCS"> ZCS</a>, <a href="https://publications.waset.org/search?q=turn-off%20losses" title=" turn-off losses"> turn-off losses</a>, <a href="https://publications.waset.org/search?q=dV%2Fdt." title=" dV/dt."> dV/dt.</a> </p> <a href="https://publications.waset.org/9998521/a-comprehensive-evaluation-of-igbts-performance-under-zero-current-switching" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/9998521/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/9998521/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/9998521/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/9998521/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/9998521/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/9998521/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/9998521/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/9998521/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/9998521/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/9998521/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/9998521.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2587</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1700</span> Mathematical Modeling of Cell Volume Alterations under Different Osmotic Conditions</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Juliana%20A.%20Knocikova">Juliana A. Knocikova</a>, <a href="https://publications.waset.org/search?q=Yann%20Bouret"> Yann Bouret</a>, <a href="https://publications.waset.org/search?q=M%C3%A9d%C3%A9ric%20Argentina"> M茅d茅ric Argentina</a>, <a href="https://publications.waset.org/search?q=Laurent%20Counillon"> Laurent Counillon</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Cell volume, together with membrane potential and intracellular hydrogen ion concentration, is an essential biophysical parameter for normal cellular activity. Cell volumes can be altered by osmotically active compounds and extracellular tonicity. In this study, a simple mathematical model of osmotically induced cell swelling and shrinking is presented. Emphasis is given to water diffusion across the membrane. The mathematical description of the cellular behavior consists in a system of coupled ordinary differential equations. We compare experimental data of cell volume alterations driven by differences in osmotic pressure with mathematical simulations under hypotonic and hypertonic conditions. Implications for a future model are also discussed.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Eukaryotic%20cell" title="Eukaryotic cell">Eukaryotic cell</a>, <a href="https://publications.waset.org/search?q=mathematical%20modeling" title=" mathematical modeling"> mathematical modeling</a>, <a href="https://publications.waset.org/search?q=osmosis" title=" osmosis"> osmosis</a>, <a href="https://publications.waset.org/search?q=volume%20alterations." title=" volume alterations."> volume alterations.</a> </p> <a href="https://publications.waset.org/10000652/mathematical-modeling-of-cell-volume-alterations-under-different-osmotic-conditions" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10000652/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10000652/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10000652/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10000652/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10000652/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10000652/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10000652/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10000652/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10000652/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10000652/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10000652.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2222</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1699</span> Design Optimization Methodology of CMOS Active Mixers for Multi-Standard Receivers</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=S.%20Douss">S. Douss</a>, <a href="https://publications.waset.org/search?q=F.%20Touati"> F. Touati</a>, <a href="https://publications.waset.org/search?q=M.%20Loulou"> M. Loulou</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A design flow of multi-standard down-conversion CMOS mixers for three modern standards: Global System Mobile, Digital Enhanced Cordless Telephone and Universal Mobile Telecommunication Systems is presented. Three active mixer-s structures are studied. The first is based on the Gilbert cell which gives a tolerable noise figure and linearity with a low conversion gain. The second and third structures use the current bleeding and charge injection techniques in order to increase the conversion gain. An improvement of about 2 dB of the conversion gain is achieved without a considerable degradation of the other characteristics. The models used for noise figure, conversion gain and IIP3 used are studied. This study describes the nature of trade-offs inherent in such structures and gives insights that help in identifying which structure is better for given conditions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Active%20mixer" title="Active mixer">Active mixer</a>, <a href="https://publications.waset.org/search?q=Radio-frequency%20transceiver" title=" Radio-frequency transceiver"> Radio-frequency transceiver</a>, <a href="https://publications.waset.org/search?q=Multistandardfront%20end" title=" Multistandardfront end"> Multistandardfront end</a>, <a href="https://publications.waset.org/search?q=Gilbert%20cell" title=" Gilbert cell"> Gilbert cell</a>, <a href="https://publications.waset.org/search?q=current%20bleeding" title=" current bleeding"> current bleeding</a>, <a href="https://publications.waset.org/search?q=charge%20injection." title=" charge injection."> charge injection.</a> </p> <a href="https://publications.waset.org/1269/design-optimization-methodology-of-cmos-active-mixers-for-multi-standard-receivers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/1269/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/1269/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/1269/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/1269/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/1269/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/1269/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/1269/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/1269/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/1269/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/1269/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/1269.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2490</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1698</span> Multifunctional Cell Processing with Plasmonic Nanobubbles</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Ekaterina%20Y.%20Lukianova-Hleb">Ekaterina Y. Lukianova-Hleb</a>, <a href="https://publications.waset.org/search?q=Dmitri%20O.%20Lapotko"> Dmitri O. Lapotko</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Cell processing techniques for gene and cell therapies use several separate procedures for gene transfer and cell separation or elimination, because no current technology can offer simultaneous multi-functional processing of specific cell sub-sets in heterogeneous cell systems. Using our novel on-demand nonstationary intracellular events instead of permanent materials, plasmonic nanobubbles, generated with a short laser pulse only in target cells, we achieved simultaneous multifunctional cell-specific processing with the rate up to 50 million cells per minute.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Delivery" title="Delivery">Delivery</a>, <a href="https://publications.waset.org/search?q=cell%20separation" title=" cell separation"> cell separation</a>, <a href="https://publications.waset.org/search?q=graft" title=" graft"> graft</a>, <a href="https://publications.waset.org/search?q=laser" title=" laser"> laser</a>, <a href="https://publications.waset.org/search?q=plasmonic%20nanobubble" title=" plasmonic nanobubble"> plasmonic nanobubble</a>, <a href="https://publications.waset.org/search?q=cell%20therapy" title=" cell therapy"> cell therapy</a>, <a href="https://publications.waset.org/search?q=gold%20nanoparticle." title=" gold nanoparticle."> gold nanoparticle.</a> </p> <a href="https://publications.waset.org/17251/multifunctional-cell-processing-with-plasmonic-nanobubbles" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/17251/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/17251/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/17251/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/17251/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/17251/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/17251/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/17251/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/17251/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/17251/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/17251/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/17251.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1726</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1697</span> A Novel Nano-Scaled SRAM Cell</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Arash%20Azizi%20Mazreah">Arash Azizi Mazreah</a>, <a href="https://publications.waset.org/search?q=Mohammad%20Reza%20Sahebi"> Mohammad Reza Sahebi</a>, <a href="https://publications.waset.org/search?q=Mohammad%20T.%20Manzuri%20Shalmani"> Mohammad T. Manzuri Shalmani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>To help overcome limits to the density of conventional SRAMs and leakage current of SRAM cell in nanoscaled CMOS technology, we have developed a four-transistor SRAM cell. The newly developed CMOS four-transistor SRAM cell uses one word-line and one bit-line during read/write operation. This cell retains its data with leakage current and positive feedback without refresh cycle. The new cell size is 19% smaller than a conventional six-transistor cell using same design rules. Also the leakage current of new cell is 60% smaller than a conventional sixtransistor SRAM cell. Simulation result in 65nm CMOS technology shows new cell has correct operation during read/write operation and idle mode.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=SRAM%20Cell" title="SRAM Cell">SRAM Cell</a>, <a href="https://publications.waset.org/search?q=leakage%20current" title=" leakage current"> leakage current</a>, <a href="https://publications.waset.org/search?q=cell%20area." title=" cell area."> cell area.</a> </p> <a href="https://publications.waset.org/15296/a-novel-nano-scaled-sram-cell" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/15296/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/15296/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/15296/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/15296/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/15296/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/15296/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/15296/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/15296/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/15296/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/15296/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/15296.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1767</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1696</span> A Convenient Model for I-V Characteristic of a Solar Cell Generator as an Active Two-Pole with Self-Limitation of Current</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=A.%20A.%20Penin">A. A. Penin</a>, <a href="https://publications.waset.org/search?q=A.%20S.%20Sidorenko"> A. S. Sidorenko</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>A convenient and physically sound mathematical model of the external or I - V characteristic of solar cells generators is presented in this paper. This model is compared with the traditional model of p-n junction. The direct analytical calculation of load regime leads to a quadratic equation, which is importantly to simplify the calculations in the real time.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=A%20solar%20cell%20generator" title="A solar cell generator">A solar cell generator</a>, <a href="https://publications.waset.org/search?q=I%E2%88%92V%20characteristic" title=" I鈭扸 characteristic"> I鈭扸 characteristic</a>, <a href="https://publications.waset.org/search?q=activetwo-pole." title=" activetwo-pole."> activetwo-pole.</a> </p> <a href="https://publications.waset.org/9926/a-convenient-model-for-i-v-characteristic-of-a-solar-cell-generator-as-an-active-two-pole-with-self-limitation-of-current" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/9926/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/9926/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/9926/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/9926/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/9926/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/9926/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/9926/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/9926/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/9926/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/9926/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/9926.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1272</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1695</span> Assembly Process Algorithms of Flexible Cell</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=M.%20Kus%C3%A1">M. Kus谩</a>, <a href="https://publications.waset.org/search?q=M.%20Mat%C3%BA%C5%A1ov%C3%A1"> M. Mat煤拧ov谩</a>, <a href="https://publications.waset.org/search?q=A.%20Javorov%C3%A1"> A. Javorov谩</a>, <a href="https://publications.waset.org/search?q=K.%20Vel%C3%AD"> K. Vel铆</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper deals about four items assembly process of linear drive. This assembly will be realized in flexible assembly cell on Institute of Manufacturing Systems and Applied Mechanics. There is defined manufacturing cell, individual actuators created our flexible cell. Next chapter is about control type, detailed describe a sequence control type, which will be used in mentioned flexible assembly cell. All cell control is divided in individual steps instructions. There instructions illustrate table number III. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=assembly" title="assembly">assembly</a>, <a href="https://publications.waset.org/search?q=flexible%20cell" title=" flexible cell"> flexible cell</a>, <a href="https://publications.waset.org/search?q=sequence%20control" title=" sequence control"> sequence control</a> </p> <a href="https://publications.waset.org/10515/assembly-process-algorithms-of-flexible-cell" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10515/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10515/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10515/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10515/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10515/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10515/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10515/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10515/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10515/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10515/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10515.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1309</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1694</span> Human Elastin-derived Biomimetic Coating Surface to Support Cell Growth</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Antonella%20Bandiera">Antonella Bandiera</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A new sythetic gene coding for a Human Elastin-Like Polypeptide was constructed and expressed. The recombinant product was tested as coating agent to realize a surface suitable for cell growth. Coatings showed peculiar features and different human cell lines were seeded and cultured. All cell lines tested showed to adhere and proliferate on this substrate that has been shown also to exert a specific effect on cells, depending on cell type. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=elastin" title="elastin">elastin</a>, <a href="https://publications.waset.org/search?q=recombinant%20protein" title=" recombinant protein"> recombinant protein</a>, <a href="https://publications.waset.org/search?q=coating" title=" coating"> coating</a>, <a href="https://publications.waset.org/search?q=cell%20adhesion." title=" cell adhesion."> cell adhesion.</a> </p> <a href="https://publications.waset.org/15668/human-elastin-derived-biomimetic-coating-surface-to-support-cell-growth" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/15668/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/15668/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/15668/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/15668/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/15668/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/15668/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/15668/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/15668/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/15668/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/15668/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/15668.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1829</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1693</span> Electron Filling Factor and Sunlight Concentration Effects on the Efficiency of Intermediate Band Solar Cell</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Nima%20Es%27haghi%20Gorji">Nima Es'haghi Gorji</a>, <a href="https://publications.waset.org/search?q=Hossein%20Movla"> Hossein Movla</a>, <a href="https://publications.waset.org/search?q=Foozieh%20Sohrabi"> Foozieh Sohrabi</a>, <a href="https://publications.waset.org/search?q=Alireza%20Mottaghizadeh"> Alireza Mottaghizadeh</a>, <a href="https://publications.waset.org/search?q=Mohammad%20Houshmand"> Mohammad Houshmand</a>, <a href="https://publications.waset.org/search?q=Hassan%20Babaei"> Hassan Babaei</a>, <a href="https://publications.waset.org/search?q=Arash%20Nikniazi"> Arash Nikniazi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>For a determined intermediate band position, the effects of electron filling factor and sunlight concentration on the active region thickness and efficiency of the quantum-dot intermediate band solar cell are calculated. For each value of electron filling factor, the maximum point of efficiency obtained and resulted in the optimum thickness of the cell under three different sunlight concentrations. We show the importance of filling factor as a parameter to be more considered. The photon recycling effect eliminated in all calculations.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Intermediate%20band" title="Intermediate band">Intermediate band</a>, <a href="https://publications.waset.org/search?q=Sunlight%20concentration" title=" Sunlight concentration"> Sunlight concentration</a>, <a href="https://publications.waset.org/search?q=Efficiency%20limits" title=" Efficiency limits"> Efficiency limits</a>, <a href="https://publications.waset.org/search?q=Electron%20filling%20factor" title=" Electron filling factor"> Electron filling factor</a> </p> <a href="https://publications.waset.org/12810/electron-filling-factor-and-sunlight-concentration-effects-on-the-efficiency-of-intermediate-band-solar-cell" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/12810/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/12810/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/12810/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/12810/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/12810/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/12810/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/12810/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/12810/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/12810/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/12810/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/12810.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1534</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1692</span> Environmental and Toxicological Impacts of Glyphosate with Its Formulating Adjuvant</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=I.%20Sz%C3%A9k%C3%A1cs">I. Sz茅k谩cs</a>, <a href="https://publications.waset.org/search?q=%C3%81.%20Fejes"> 脕. Fejes</a>, <a href="https://publications.waset.org/search?q=S.%20Kl%C3%A1tyik"> S. Kl谩tyik</a>, <a href="https://publications.waset.org/search?q=E.%20Tak%C3%A1cs"> E. Tak谩cs</a>, <a href="https://publications.waset.org/search?q=D.%20Patk%C3%B3"> D. Patk贸</a>, <a href="https://publications.waset.org/search?q=J.%20Pom%C3%B3thy"> J. Pom贸thy</a>, <a href="https://publications.waset.org/search?q=M.%20M%C3%B6rtl"> M. M枚rtl</a>, <a href="https://publications.waset.org/search?q=R.%20Horv%C3%A1th"> R. Horv谩th</a>, <a href="https://publications.waset.org/search?q=E.%20Madar%C3%A1sz"> E. Madar谩sz</a>, <a href="https://publications.waset.org/search?q=B.%20Darvas"> B. Darvas</a>, <a href="https://publications.waset.org/search?q=A.%20Sz%C3%A9k%C3%A1cs"> A. Sz茅k谩cs</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Environmental and toxicological characteristics of formulated pesticides may substantially differ from those of their active ingredients or other components alone. This phenomenon is demonstrated in the case of the herbicide active ingredient glyphosate. Due to its extensive application, this active ingredient was found in surface and ground water samples collected in Békés County, Hungary, in the concentration range of 0.54–0.98 ng/ml. The occurrence of glyphosate appeared to be somewhat higher at areas under intensive agriculture, industrial activities and public road services, but the compound was detected at areas under organic (ecological) farming or natural grasslands, indicating environmental mobility. Increased toxicity of the formulated herbicide product Roundup compared to that of glyphosate was observed on the indicator aquatic organism <em>Daphnia magna</em> Straus. Acute LC<sub>50</sub> values of Roundup and its formulating adjuvant polyethoxylated tallowamine (POEA) exceeded 20 and 3.1 mg/ml, respectively, while that of glyphosate (as isopropyl salt) was found to be substantially lower (690-900 mg/ml) showing good agreement with literature data. Cytotoxicity of Roundup, POEA and glyphosate has been determined on the neuroectodermal cell line, NE-4C measured both by cell viability test and holographic microscopy. Acute toxicity (LC<sub>50</sub>) of Roundup, POEA and glyphosate on NE-4C cells was found to be 0.013±0.002%, 0.017±0.009% and 6.46±2.25%, respectively (in equivalents of diluted Roundup solution), corresponding to 0.022±0.003 and 53.1±18.5 mg/ml for POEA and glyphosate, respectively, indicating no statistical difference between Roundup and POEA and 2.5 orders of magnitude difference between these and glyphosate. The same order of cellular toxicity seen in average cell area has been indicated under quantitative cell visualization. The results indicate that toxicity of the formulated herbicide is caused by the formulating agent, but in some parameters toxicological synergy occurs between POEA and glyphosate.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Glyphosate" title="Glyphosate">Glyphosate</a>, <a href="https://publications.waset.org/search?q=polyethoxylated%20tallowamine" title=" polyethoxylated tallowamine"> polyethoxylated tallowamine</a>, <a href="https://publications.waset.org/search?q=Roundup" title=" Roundup"> Roundup</a>, <a href="https://publications.waset.org/search?q=combined%20aquatic%20and%20cellular%20toxicity" title=" combined aquatic and cellular toxicity"> combined aquatic and cellular toxicity</a>, <a href="https://publications.waset.org/search?q=synergy." title=" synergy."> synergy.</a> </p> <a href="https://publications.waset.org/9997659/environmental-and-toxicological-impacts-of-glyphosate-with-its-formulating-adjuvant" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/9997659/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/9997659/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/9997659/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/9997659/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/9997659/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/9997659/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/9997659/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/9997659/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/9997659/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/9997659/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/9997659.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">6368</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1691</span> The Cytotoxic Effect of PM 701 and its Fractions on Cell Proliferation of Breast Cancer Cells, McF7</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Faten%20A.%20Khorshid">Faten A. Khorshid</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Breast cancer is the most common malignancy in the world among women. Many therapies have been designed to treat this disease. Mamectomy, chemotherapy and radiotherapy are still the main therapies of breast cancer. However, the results were unsatisfactory and still far from the ideal treatment. PM 701is a natural product, has anticancer activity. The bioactive fraction PMF and subfraction PMFK had been isolated from PM701. PM 701 and its fractions were proved to have a cytotoxic properties against different cancer cell lines. This article is directed for the further examination of lyophilized PM701 and its active fractions on the growth of breast cancer cells (MCF-7). PM 701, PMF or PMFK were adding to the cultural medium, where MCF-7 is incubated. PM 701, PMF or PMFK were able to inhibit significantly the proliferation of MCF-7 cells, Moreover these new agents were proved to induce apoptosis of the breast cancer cells; through its direct effect on the nuclei. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Anticancer%20agent" title="Anticancer agent">Anticancer agent</a>, <a href="https://publications.waset.org/search?q=breast%20carcinoma" title=" breast carcinoma"> breast carcinoma</a>, <a href="https://publications.waset.org/search?q=MCF-7%20cell%0Aline" title=" MCF-7 cell line"> MCF-7 cell line</a>, <a href="https://publications.waset.org/search?q=PM%20701" title=" PM 701"> PM 701</a> </p> <a href="https://publications.waset.org/8036/the-cytotoxic-effect-of-pm-701-and-its-fractions-on-cell-proliferation-of-breast-cancer-cells-mcf7" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/8036/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/8036/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/8036/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/8036/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/8036/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/8036/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/8036/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/8036/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/8036/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/8036/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/8036.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1858</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1690</span> Efficient Pre-Processing of Single-Cell Assay for Transposase Accessible Chromatin with High-Throughput Sequencing Data</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Fan%20Gao">Fan Gao</a>, <a href="https://publications.waset.org/search?q=Lior%20Pachter"> Lior Pachter</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>The primary tool currently used to pre-process 10X chromium single-cell ATAC-seq data is Cell Ranger, which can take very long to run on standard datasets. To facilitate rapid pre-processing that enables reproducible workflows, we present a suite of tools called scATAK for pre-processing single-cell ATAC-seq data that is 15 to 18 times faster than Cell Ranger on mouse and human samples. Our tool can also calculate chromatin interaction potential matrices and generate open chromatin signal and interaction traces for cell groups. We use scATAK tool to explore the chromatin regulatory landscape of a healthy adult human brain and unveil cell-type specific features, and show that it provides a convenient and computational efficient approach for pre-processing single-cell ATAC-seq data.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=single-cell" title="single-cell">single-cell</a>, <a href="https://publications.waset.org/search?q=ATAC-seq" title=" ATAC-seq"> ATAC-seq</a>, <a href="https://publications.waset.org/search?q=bioinformatics" title=" bioinformatics"> bioinformatics</a>, <a href="https://publications.waset.org/search?q=open%20chromatin%20landscape" title=" open chromatin landscape"> open chromatin landscape</a>, <a href="https://publications.waset.org/search?q=chromatin%20interactome" title=" chromatin interactome"> chromatin interactome</a> </p> <a href="https://publications.waset.org/10012292/efficient-pre-processing-of-single-cell-assay-for-transposase-accessible-chromatin-with-high-throughput-sequencing-data" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10012292/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10012292/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10012292/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10012292/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10012292/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10012292/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10012292/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10012292/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10012292/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10012292/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10012292.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1159</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1689</span> Active Power Filter dimensioning Using a Hysteresis Current Controller</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Tarek%20A.%20Kasmieh">Tarek A. Kasmieh</a>, <a href="https://publications.waset.org/search?q=Hassan%20S.%20Omran"> Hassan S. Omran</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper aims to give a full study of the dynamic behavior of a mono-phase active power filter. First, the principle of the parallel active power filter will be introduced. Then, a dimensioning procedure for all its components will be explained in detail, such as the input filter, the current and voltage controllers. This active power filter is simulated using OrCAD program showing the validity of the theoretical study. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Active%20power%20filter" title="Active power filter">Active power filter</a>, <a href="https://publications.waset.org/search?q=Power%20Quality" title=" Power Quality"> Power Quality</a>, <a href="https://publications.waset.org/search?q=Hysteresiscurrent%20controller." title=" Hysteresiscurrent controller."> Hysteresiscurrent controller.</a> </p> <a href="https://publications.waset.org/4387/active-power-filter-dimensioning-using-a-hysteresis-current-controller" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/4387/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/4387/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/4387/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/4387/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/4387/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/4387/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/4387/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/4387/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/4387/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/4387/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/4387.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1707</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1688</span> Phenotypes of B Cells Differ in EBV-positive Burkitt-s lymphoma Derived Cell Lines</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Irina%20Spaka">Irina Spaka</a>, <a href="https://publications.waset.org/search?q=Rita%20Birkenfelde"> Rita Birkenfelde</a>, <a href="https://publications.waset.org/search?q=Svetlana%20Kozireva"> Svetlana Kozireva</a>, <a href="https://publications.waset.org/search?q=Jevgenija%20Osmjana"> Jevgenija Osmjana</a>, <a href="https://publications.waset.org/search?q=Madara%20Upmane"> Madara Upmane</a>, <a href="https://publications.waset.org/search?q=ElenaKashuba"> ElenaKashuba</a>, <a href="https://publications.waset.org/search?q=Irina%20Kholodnyuk%20Holodnuka"> Irina Kholodnyuk Holodnuka</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Epstein-Barr virus (EBV) is implicated in the pathogenesis of the endemic Burkitt-s lymphoma (BL). The EBVpositive BL-derived cell lines initially maintain the original tumor phenotype of EBV infection (latency I, LatI), but most of them drift toward a lymphoblast phenotype of EBV latency III (LatIII) during in vitro culturing. The aim of the present work was to characterize the B-cell subsets in EBV-positive BL cell lines and to verify whether a particular cell subset correlates with the type of EBV infection. The phenotype analysis of two EBV-negative and eleven EBV-positive (three of LatI and eight of LatIII) BL cell lines was performed by polychromatic flow cytomery, based on expression pattern of CD19, CD10, CD38, CD27, and CD5 markers. Two cell subsets, CD19+CD10+ and CD19+CD10-, were defined in LatIII BL cell lines. In both subsets, the CD27 and CD5 cell surface expression was detected in a proportion of the cells.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=B-cell%20subsets" title="B-cell subsets">B-cell subsets</a>, <a href="https://publications.waset.org/search?q=Burkitt%27s%20lymphoma%20cell%20lines" title=" Burkitt's lymphoma cell lines"> Burkitt's lymphoma cell lines</a>, <a href="https://publications.waset.org/search?q=EBV%0D%0Alatency" title=" EBV latency"> EBV latency</a>, <a href="https://publications.waset.org/search?q=phenotype%20profiles." title=" phenotype profiles."> phenotype profiles.</a> </p> <a href="https://publications.waset.org/12759/phenotypes-of-b-cells-differ-in-ebv-positive-burkitt-s-lymphoma-derived-cell-lines" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/12759/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/12759/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/12759/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/12759/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/12759/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/12759/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/12759/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/12759/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/12759/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/12759/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/12759.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1958</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1687</span> Irreversibility and Electrochemical Modeling of GT-SOFC Hybrid System and Parametric Analysis on Performance of Fuel Cell</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=R.%20Mahjoub">R. Mahjoub</a>, <a href="https://publications.waset.org/search?q=K.%20Maghsoudi%20Mehraban"> K. Maghsoudi Mehraban</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Since the heart of the hybrid system is the fuel cell and it has vital impact on efficiency and performance of cycle, in this study, the major modeling of electrochemical reaction within the fuel cell is analyzed. Also, solid oxide fuel cell is integrated with the gas turbine and thermodynamic analysis on different elements of hybrid system is applied. Next, in predefined operational points of hybrid cycle, the simulation results are obtained. Then, different source of irreversibility in fuel cell is modeled and influence of different major parameters on different irreversibility is computed and applied. Then, the effect of important parameters such as thickness and surface of electrolyte fuel cell are simulated in fuel cell and its dependency to these parameters is explained. At the end of the paper, different impact of parameters on fuel cell with a gas turbine and current density and voltage of fuel cell are simulated. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Electrochemical%20analysis" title="Electrochemical analysis">Electrochemical analysis</a>, <a href="https://publications.waset.org/search?q=Gas%20turbine" title=" Gas turbine"> Gas turbine</a>, <a href="https://publications.waset.org/search?q=Hybrid%20system" title=" Hybrid system"> Hybrid system</a>, <a href="https://publications.waset.org/search?q=Irreversibility%20analysis." title=" Irreversibility analysis. "> Irreversibility analysis. </a> </p> <a href="https://publications.waset.org/10003766/irreversibility-and-electrochemical-modeling-of-gt-sofc-hybrid-system-and-parametric-analysis-on-performance-of-fuel-cell" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10003766/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10003766/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10003766/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10003766/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10003766/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10003766/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10003766/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10003766/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10003766/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10003766/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10003766.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1509</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1686</span> Assessment of Sediment Remediation Potential using Microbial Fuel Cell Technology</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=S.%20W.%20Hong">S. W. Hong</a>, <a href="https://publications.waset.org/search?q=Y.%20S.%20Choi"> Y. S. Choi</a>, <a href="https://publications.waset.org/search?q=T.%20H.%20Chung"> T. H. Chung</a>, <a href="https://publications.waset.org/search?q=J.%20H.%20Song"> J. H. Song</a>, <a href="https://publications.waset.org/search?q=H.%20S.%20Kim"> H. S. Kim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Bio-electrical responses obtained from freshwater sediments by employing microbial fuel cell (MFC) technology were investigated in this experimental study. During the electricity generation, organic matter in the sediment was microbially oxidized under anaerobic conditions with an electrode serving as a terminal electron acceptor. It was found that the sediment organic matter (SOM) associated with electrochemically-active electrodes became more humified, aromatic, and polydispersed, and had a higher average molecular weight, together with the decrease in the quantity of SOM. The alteration of characteristics of the SOM was analogous to that commonly observed in the early stage of SOM diagenetic process (i.e., humification). These findings including an elevation of the sediment redox potential present a possibility of the MFC technology as a new soil/sediment remediation technique based on its potential benefits: non-destructive electricity generation and bioremediation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Anaerobic%20oxidation" title="Anaerobic oxidation">Anaerobic oxidation</a>, <a href="https://publications.waset.org/search?q=microbial%20fuel%20cell" title=" microbial fuel cell"> microbial fuel cell</a>, <a href="https://publications.waset.org/search?q=remediation" title=" remediation"> remediation</a>, <a href="https://publications.waset.org/search?q=sediment." title="sediment.">sediment.</a> </p> <a href="https://publications.waset.org/14582/assessment-of-sediment-remediation-potential-using-microbial-fuel-cell-technology" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/14582/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/14582/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/14582/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/14582/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/14582/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/14582/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/14582/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/14582/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/14582/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/14582/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/14582.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2040</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1685</span> Thermo Mechanical Design and Analysis of PEM Fuel cell Plate</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Saravana%20Kannan%20Thangavelu">Saravana Kannan Thangavelu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Fuel and oxidant gas delivery plate, or fuel cell plate, is a key component of a Proton Exchange Membrane (PEM) fuel cell. To manufacture low-cost and high performance fuel cell plates, advanced computer modeling and finite element structure analysis are used as virtual prototyping tools for the optimization of the plates at the early design stage. The present study examines thermal stress analysis of the fuel cell plates that are produced using a patented, low-cost fuel cell plate production technique based on screen-printing. Design optimization is applied to minimize the maximum stress within the plate, subject to strain constraint with both geometry and material parameters as design variables. The study reveals the characteristics of the printed plates, and provides guidelines for the structure and material design of the fuel cell plate. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Design%20optimization" title="Design optimization">Design optimization</a>, <a href="https://publications.waset.org/search?q=FEA" title=" FEA"> FEA</a>, <a href="https://publications.waset.org/search?q=PEM%20fuel%20cell" title=" PEM fuel cell"> PEM fuel cell</a>, <a href="https://publications.waset.org/search?q=Thermal%20stress" title=" Thermal stress"> Thermal stress</a> </p> <a href="https://publications.waset.org/427/thermo-mechanical-design-and-analysis-of-pem-fuel-cell-plate" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/427/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/427/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/427/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/427/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/427/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/427/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/427/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/427/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/427/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/427/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/427.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2215</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1684</span> A Comparative Study of Fine Grained Security Techniques Based on Data Accessibility and Inference</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Azhar%20Rauf"> Azhar Rauf</a>, <a href="https://publications.waset.org/search?q=Sareer%20Badshah"> Sareer Badshah</a>, <a href="https://publications.waset.org/search?q=Shah%20Khusro"> Shah Khusro</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>This paper analyzes different techniques of the fine grained security of relational databases for the two variables-data accessibility and inference. Data accessibility measures the amount of data available to the users after applying a security technique on a table. Inference is the proportion of information leakage after suppressing a cell containing secret data. A row containing a secret cell which is suppressed can become a security threat if an intruder generates useful information from the related visible information of the same row. This paper measures data accessibility and inference associated with row, cell, and column level security techniques. Cell level security offers greatest data accessibility as it suppresses secret data only. But on the other hand, there is a high probability of inference in cell level security. Row and column level security techniques have least data accessibility and inference. This paper introduces cell plus innocent security technique that utilizes the cell level security method but suppresses some innocent data to dodge an intruder that a suppressed cell may not necessarily contain secret data. Four variations of the technique namely cell plus innocent 1/4, cell plus innocent 2/4, cell plus innocent 3/4, and cell plus innocent 4/4 respectively have been introduced to suppress innocent data equal to 1/4, 2/4, 3/4, and 4/4 percent of the true secret data inside the database. Results show that the new technique offers better control over data accessibility and inference as compared to the state-of-theart security techniques. This paper further discusses the combination of techniques together to be used. The paper shows that cell plus innocent 1/4, 2/4, and 3/4 techniques can be used as a replacement for the cell level security.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Fine%20Grained%20Security" title="Fine Grained Security">Fine Grained Security</a>, <a href="https://publications.waset.org/search?q=Data%20Accessibility" title=" Data Accessibility"> Data Accessibility</a>, <a href="https://publications.waset.org/search?q=Inference" title=" Inference"> Inference</a>, <a href="https://publications.waset.org/search?q=Row" title=" Row"> Row</a>, <a href="https://publications.waset.org/search?q=Cell" title=" Cell"> Cell</a>, <a href="https://publications.waset.org/search?q=Column%20Level%20Security." title=" Column Level Security."> Column Level Security.</a> </p> <a href="https://publications.waset.org/8887/a-comparative-study-of-fine-grained-security-techniques-based-on-data-accessibility-and-inference" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/8887/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/8887/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/8887/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/8887/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/8887/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/8887/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/8887/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/8887/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/8887/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/8887/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/8887.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1471</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1683</span> In-situ Quasistatic Compression and Microstructural Characterization of Aluminum Foams of Different Cell Topology</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=M.%20A.%20Islam">M. A. Islam</a>, <a href="https://publications.waset.org/search?q=P.%20J.%20Hazell"> P. J. Hazell</a>, <a href="https://publications.waset.org/search?q=J.%20P.%20Escobedo"> J. P. Escobedo</a>, <a href="https://publications.waset.org/search?q=M.%20Saadatfar"> M. Saadatfar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Metallic foams have good potential for lightweight structures for impact and blast mitigation. Therefore it is important to find out the optimized foam structure (i.e. cell size, shape, relative density, and distribution) to maximise energy absorption. In this paper, quasistatic compression and microstructural characterization of closed-cell aluminium foams of different pore size and cell distributions have been carried out. We present results for two different aluminium metal foams of density 0.49-0.51 g/cc and 0.31- 0.34 g/cc respectively that have been tested in quasi-static compression. The influence of cell geometry and cell topology on quasistatic compression behaviour has been investigated using optical microscope and computed tomography (micro-CT) analysis. It is shown that the deformation is not uniform in the structure and collapse begins at the weakest point.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Metal%20foams" title="Metal foams">Metal foams</a>, <a href="https://publications.waset.org/search?q=micro-CT" title=" micro-CT"> micro-CT</a>, <a href="https://publications.waset.org/search?q=cell%20topology" title=" cell topology"> cell topology</a>, <a href="https://publications.waset.org/search?q=quasistatic%0D%0Acompression." title=" quasistatic compression."> quasistatic compression.</a> </p> <a href="https://publications.waset.org/9999797/in-situ-quasistatic-compression-and-microstructural-characterization-of-aluminum-foams-of-different-cell-topology" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/9999797/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/9999797/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/9999797/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/9999797/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/9999797/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/9999797/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/9999797/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/9999797/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/9999797/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/9999797/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/9999797.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2805</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1682</span> Hysteresis Control of Power Conditioning Unit for Fuel Cell Distributed Generation System</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Kanhu%20Charan%20Bhuyan">Kanhu Charan Bhuyan</a>, <a href="https://publications.waset.org/search?q=Subhransu%20Padhee"> Subhransu Padhee</a>, <a href="https://publications.waset.org/search?q=Rajesh%20Kumar%20Patjoshi"> Rajesh Kumar Patjoshi</a>, <a href="https://publications.waset.org/search?q=Kamalakanta%20Mahapatra"> Kamalakanta Mahapatra</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Fuel cell is an emerging technology in the field of renewable energy sources which has the capacity to replace conventional energy generation sources. Fuel cell utilizes hydrogen energy to produce electricity. The electricity generated by the fuel cell can’t be directly used for a specific application as it needs proper power conditioning. Moreover, the output power fluctuates with different operating conditions. To get a stable output power at an economic rate, power conditioning circuit is essential for fuel cell. This paper implements a two-staged power conditioning unit for fuel cell based distributed generation using hysteresis current control technique.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Fuel%20cell" title="Fuel cell">Fuel cell</a>, <a href="https://publications.waset.org/search?q=power%20conditioning%20unit" title=" power conditioning unit"> power conditioning unit</a>, <a href="https://publications.waset.org/search?q=hysteresis%20control." title=" hysteresis control."> hysteresis control.</a> </p> <a href="https://publications.waset.org/9999203/hysteresis-control-of-power-conditioning-unit-for-fuel-cell-distributed-generation-system" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/9999203/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/9999203/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/9999203/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/9999203/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/9999203/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/9999203/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/9999203/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/9999203/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/9999203/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/9999203/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/9999203.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2423</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1681</span> Use of Cell Phone by Farmers and its Implication on Farmers- Production Capacity in Oyo State Nigeria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Bolarinwa">Bolarinwa</a>, <a href="https://publications.waset.org/search?q=K.%20K."> K. K.</a>, <a href="https://publications.waset.org/search?q=Oyeyinka"> Oyeyinka</a>, <a href="https://publications.waset.org/search?q=R.%20A."> R. A.</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Relevant agricultural information disseminator (extension agent) ratio of 1:3500 farm families which become a menace to agricultural production capacity in developing countries necessitate this study. Out of 4 zones in the state, 24 extension agents in each zone, 4 extension agents using cell phones and 120 farmers using cell phone and 120 other farmers not using cell phone were purposively selected to give 240 farmers that participated in the research. Data were collected using interview guide and analysized using frequency, percentage and t-test.. Frequency of contact with agricultural information centers revealed that cell phone user farmers had greater means score of X 41.43 contact as against the low mean X19.32 contact recorded by farmers receiving agricultural information from extension agents not using cell phone and their production was statistically significant at P < 0.05. Usage of cell phone increase extension agent contact and increase farmers- production capacity. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Cell%20phone" title="Cell phone">Cell phone</a>, <a href="https://publications.waset.org/search?q=contact" title=" contact"> contact</a>, <a href="https://publications.waset.org/search?q=extension%20agents%20and%20production." title=" extension agents and production."> extension agents and production.</a> </p> <a href="https://publications.waset.org/11792/use-of-cell-phone-by-farmers-and-its-implication-on-farmers-production-capacity-in-oyo-state-nigeria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/11792/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/11792/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/11792/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/11792/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/11792/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/11792/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/11792/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/11792/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/11792/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/11792/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/11792.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2884</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1680</span> Adaptive Discharge Time Control for Battery Operation Time Enhancement</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Jong-Bae%20Lee">Jong-Bae Lee</a>, <a href="https://publications.waset.org/search?q=Seongsoo%20Lee"> Seongsoo Lee</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>This paper proposes an adaptive discharge time control method to balance cell voltages in alternating battery cell discharging method. In the alternating battery cell discharging method, battery cells are periodically discharged in turn. Recovery effect increases battery output voltage while the given battery cell rests without discharging, thus battery operation time of target system increases. However, voltage mismatch between cells leads two problems. First, voltage difference between cells induces inter-cell current with wasted power. Second, it degrades battery operation time, since system stops when any cell reaches to the minimum system operation voltage. To solve this problem, the proposed method adaptively controls cell discharge time to equalize both cell voltages. In the proposed method, battery operation time increases about 19%, while alternating battery cell discharging method shows about 7% improvement.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Battery" title="Battery">Battery</a>, <a href="https://publications.waset.org/search?q=Recovery%20Effect" title=" Recovery Effect"> Recovery Effect</a>, <a href="https://publications.waset.org/search?q=Low-Power" title=" Low-Power"> Low-Power</a>, <a href="https://publications.waset.org/search?q=Alternating%20Battery%20Cell%20Discharging" title=" Alternating Battery Cell Discharging"> Alternating Battery Cell Discharging</a>, <a href="https://publications.waset.org/search?q=Adaptive%20Discharge%20Time%20Control." title=" Adaptive Discharge Time Control."> Adaptive Discharge Time Control.</a> </p> <a href="https://publications.waset.org/17416/adaptive-discharge-time-control-for-battery-operation-time-enhancement" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/17416/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/17416/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/17416/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/17416/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/17416/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/17416/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/17416/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/17416/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/17416/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/17416/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/17416.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1498</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1679</span> An Approach on the Design of a Solar Cell Characterization Device</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Christoph%20Mayer">Christoph Mayer</a>, <a href="https://publications.waset.org/search?q=Dominik%20Holzmann"> Dominik Holzmann</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents the development of a compact, portable and easy to handle solar cell characterization device. The presented device reduces the effort and cost of single solar cell characterization to a minimum. It enables realistic characterization of cells under sunlight within minutes. In the field of photovoltaic research the common way to characterize a single solar cell or a module is, to measure the current voltage curve. With this characteristic the performance and the degradation rate can be defined which are important for the consumer or developer. The paper consists of the system design description, a summary of the measurement results and an outline for further developments. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Solar%20cell" title="Solar cell">Solar cell</a>, <a href="https://publications.waset.org/search?q=photovoltaics" title=" photovoltaics"> photovoltaics</a>, <a href="https://publications.waset.org/search?q=PV" title=" PV"> PV</a>, <a href="https://publications.waset.org/search?q=characterization." title=" characterization."> characterization.</a> </p> <a href="https://publications.waset.org/10007050/an-approach-on-the-design-of-a-solar-cell-characterization-device" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10007050/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10007050/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10007050/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10007050/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10007050/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10007050/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10007050/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10007050/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10007050/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10007050/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10007050.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">933</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1678</span> The Effect of a Graded Band Gap Window on the Performance of a Single Junction AlxGa1-xAs/GaAs Solar Cell</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Morteza%20Fathipour">Morteza Fathipour</a>, <a href="https://publications.waset.org/search?q=Atousa%20Elahidoost"> Atousa Elahidoost</a>, <a href="https://publications.waset.org/search?q=Alireza%20Mojab"> Alireza Mojab</a>, <a href="https://publications.waset.org/search?q=Vala%20Fathipour"> Vala Fathipour</a> </p> <p class="card-text"><strong>Abstract:</strong></p> We have modeled the effect of a graded band gap window on the performance of a single junction AlxGa1-xAs/GaAs solar cell. First, we study the electrical characteristics of a single junction AlxGa1-xAs/GaAs solar cell, by employing an optimized structure for this solar cell, we show that grading the band gap of the window can increase the conversion efficiency of the solar cell by about 1.5%, and can also improve the quantum efficiency of the solar cell especially at shorter wavelengths. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Conversion%20efficiency" title="Conversion efficiency">Conversion efficiency</a>, <a href="https://publications.waset.org/search?q=Graded%20band%20gap%20window" title=" Graded band gap window"> Graded band gap window</a>, <a href="https://publications.waset.org/search?q=Quantum%20efficiency" title="Quantum efficiency">Quantum efficiency</a>, <a href="https://publications.waset.org/search?q=Single%20junction%20AlxGa1-xAs%2FGaAs%20solar%20cell" title=" Single junction AlxGa1-xAs/GaAs solar cell"> Single junction AlxGa1-xAs/GaAs solar cell</a> </p> <a href="https://publications.waset.org/9628/the-effect-of-a-graded-band-gap-window-on-the-performance-of-a-single-junction-alxga1-xasgaas-solar-cell" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/9628/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/9628/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/9628/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/9628/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/9628/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/9628/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/9628/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/9628/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/9628/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/9628/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/9628.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1956</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1677</span> Combating and Preventing Unemployment in Sweden</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Beata%20Wentura-Dudek">Beata Wentura-Dudek</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>In Sweden the needs of the labor market are regularly monitored. Test results and forecasts translate directly into the education system in this country, which is largely a state system. Sweden is one of the first countries in Europe that has used active labor market policies. It is realized that there is an active unemployment which includes a wide range of activities that can be divided into three groups: Active forms of influencing the creation of new jobs, active forms that affect the labor supply and active forms for people with disabilities. Most of the funding is allocated there for subsidized employment and training. Research conducted in Sweden shows that active forms of counteracting unemployment focused on the long-term unemployed can significantly raise the level of employment in this group.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Sweden" title="Sweden">Sweden</a>, <a href="https://publications.waset.org/search?q=research%20conducted%20in%20Sweden" title=" research conducted in Sweden"> research conducted in Sweden</a>, <a href="https://publications.waset.org/search?q=labour%20market" title=" labour market"> labour market</a>, <a href="https://publications.waset.org/search?q=labour%20market%20policies" title=" labour market policies"> labour market policies</a>, <a href="https://publications.waset.org/search?q=unemployment" title=" unemployment"> unemployment</a>, <a href="https://publications.waset.org/search?q=active%20forms%20of%20influencing%20the%20creation%20of%20new%20jobs" title=" active forms of influencing the creation of new jobs"> active forms of influencing the creation of new jobs</a>, <a href="https://publications.waset.org/search?q=active%20forms%20of%20counteracting%20unemployment" title=" active forms of counteracting unemployment"> active forms of counteracting unemployment</a>, <a href="https://publications.waset.org/search?q=employment" title=" employment"> employment</a>, <a href="https://publications.waset.org/search?q=subsidized%20employment%20education." title=" subsidized employment education."> subsidized employment education.</a> </p> <a href="https://publications.waset.org/10007331/combating-and-preventing-unemployment-in-sweden" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10007331/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10007331/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10007331/chicago" 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