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condensers</title> <meta name="description" content="Search results for: floating condensers"> <meta name="keywords" content="floating condensers"> <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/abstracts/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="floating condensers"> <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> 244</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: floating condensers</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">124</span> Image Rotation Using an Augmented 2-Step Shear Transform</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hee-Choul%20Kwon">Hee-Choul Kwon</a>, <a href="https://publications.waset.org/abstracts/search?q=Heeyong%20Kwon"> Heeyong Kwon</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Image rotation is one of main pre-processing steps for image processing or image pattern recognition. It is implemented with a rotation matrix multiplication. It requires a lot of floating point arithmetic operations and trigonometric calculations, so it takes a long time to execute. Therefore, there has been a need for a high speed image rotation algorithm without two major time-consuming operations. However, the rotated image has a drawback, i.e. distortions. We solved the problem using an augmented two-step shear transform. We compare the presented algorithm with the conventional rotation with images of various sizes. Experimental results show that the presented algorithm is superior to the conventional rotation one. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=high-speed%20rotation%20operation" title="high-speed rotation operation">high-speed rotation operation</a>, <a href="https://publications.waset.org/abstracts/search?q=image%20rotation" title=" image rotation"> image rotation</a>, <a href="https://publications.waset.org/abstracts/search?q=transform%20matrix" title=" transform matrix"> transform matrix</a>, <a href="https://publications.waset.org/abstracts/search?q=image%20processing" title=" image processing"> image processing</a>, <a href="https://publications.waset.org/abstracts/search?q=pattern%20recognition" title=" pattern recognition"> pattern recognition</a> </p> <a href="https://publications.waset.org/abstracts/64167/image-rotation-using-an-augmented-2-step-shear-transform" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/64167.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">277</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">123</span> Combat Plastic Entering in Kanpur City, Uttar Pradesh, India Marine Environment</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Arvind%20Kumar">Arvind Kumar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The city of Kanpur is located in the terrestrial plain area on the bank of the river Ganges and is the second largest city in the state of Uttar Pradesh. The city generates approximately 1400-1600 tons per day of MSW. Kanpur has been known as a major point and non-points-based pollution hotspot for the river Ganges. The city has a major industrial hub, probably the largest in the state, catering to the manufacturing and recycling of plastic and other dry waste streams. There are 4 to 5 major drains flowing across the city, which receive a significant quantity of waste leakage, which subsequently adds to the Ganges flow and is carried to the Bay of Bengal. A river-to-sea flow approach has been established to account for leaked waste into urban drains, leading to the build-up of marine litter. Throughout its journey, the river accumulates plastic – macro, meso, and micro, from various sources and transports it towards the sea. The Ganges network forms the second-largest plastic-polluting catchment in the world, with over 0.12 million tonnes of plastic discharged into marine ecosystems per year and is among 14 continental rivers into which over a quarter of global waste is discarded 3.150 Kilo tons of plastic waste is generated in Kanpur, out of which 10%-13% of plastic is leaked into the local drains and water flow systems. With the Support of Kanpur Municipal Corporation, 1TPD capacity MRF for drain waste management was established at Krishna Nagar, Kanpur & A German startup- Plastic Fisher, was identified for providing a solution to capture the drain waste and achieve its recycling in a sustainable manner with a circular economy approach. The team at Plastic Fisher conducted joint surveys and identified locations on 3 drains at Kanpur using GIS maps developed during the survey. It suggested putting floating 'Boom Barriers' across the drains with a low-cost material, which reduced their cost to only 2000 INR per barrier. The project was built upon the self-sustaining financial model. The project includes activities where a cost-efficient model is developed and adopted for a socially self-inclusive model. The project has recommended the use of low-cost floating boom barriers for capturing waste from drains. This involves a one-time time cost and has no operational cost. Manpower is engaged in fishing and capturing immobilized waste, whose salaries are paid by the Plastic Fisher. The captured material is sun-dried and transported to the designated place, where the shed and power connection, which act as MRF, are provided by the city Municipal corporation. Material aggregation, baling, and transportation costs to end-users are borne by Plastic Fisher as well. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kanpur" title="Kanpur">Kanpur</a>, <a href="https://publications.waset.org/abstracts/search?q=marine%20environment" title=" marine environment"> marine environment</a>, <a href="https://publications.waset.org/abstracts/search?q=drain%20waste%20management" title=" drain waste management"> drain waste management</a>, <a href="https://publications.waset.org/abstracts/search?q=plastic%20fisher" title=" plastic fisher"> plastic fisher</a> </p> <a href="https://publications.waset.org/abstracts/183596/combat-plastic-entering-in-kanpur-city-uttar-pradesh-india-marine-environment" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/183596.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">71</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">122</span> Investigation of Fluid-Structure-Seabed Interaction of Gravity Anchor Under Scour, and Anchor Transportation and Installation (T&I)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Vinay%20Kumar%20Vanjakula">Vinay Kumar Vanjakula</a>, <a href="https://publications.waset.org/abstracts/search?q=Frank%20Adam"> Frank Adam</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The generation of electricity through wind power is one of the leading renewable energy generation methods. Due to abundant higher wind speeds far away from shore, the construction of offshore wind turbines began in the last decades. However, the installation of offshore foundation-based (monopiles) wind turbines in deep waters are often associated with technical and financial challenges. To overcome such challenges, the concept of floating wind turbines is expanded as the basis of the oil and gas industry. For such a floating system, stabilization in harsh conditions is a challenging task. For that, a robust heavy-weight gravity anchor is needed. Transportation of such anchor requires a heavy vessel that increases the cost. To lower the cost, the gravity anchor is designed with ballast chambers that allow the anchor to float while towing and filled with water when lowering to the planned seabed location. The presence of such a large structure may influence the flow field around it. The changes in the flow field include, formation of vortices, turbulence generation, waves or currents flow breaking and pressure differentials around the seabed sediment. These changes influence the installation process. Also, after installation and under operating conditions, the flow around the anchor may allow the local seabed sediment to be carried off and results in Scour (erosion). These are a threat to the structure's stability. In recent decades, rapid developments of research work and the knowledge of scouring on fixed structures (bridges and monopiles) in rivers and oceans have been carried out, and very limited research work on scouring around a bluff-shaped gravity anchor. The objective of this study involves the application of different numerical models to simulate the anchor towing under waves and calm water conditions. Anchor lowering involves the investigation of anchor movements at certain water depths under wave/current. The motions of anchor drift, heave, and pitch is of special focus. The further study involves anchor scour, where the anchor is installed in the seabed; the flow of underwater current around the anchor induces vortices mainly at the front and corners that develop soil erosion. The study of scouring on a submerged gravity anchor is an interesting research question since the flow not only passes around the anchor but also over the structure that forms different flow vortices. The achieved results and the numerical model will be a basis for the development of other designs and concepts for marine structures. The Computational Fluid Dynamics (CFD) numerical model will build in OpenFOAM and other similar software. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=anchor%20lowering" title="anchor lowering">anchor lowering</a>, <a href="https://publications.waset.org/abstracts/search?q=anchor%20towing" title=" anchor towing"> anchor towing</a>, <a href="https://publications.waset.org/abstracts/search?q=gravity%20anchor" title=" gravity anchor"> gravity anchor</a>, <a href="https://publications.waset.org/abstracts/search?q=computational%20fluid%20dynamics" title=" computational fluid dynamics"> computational fluid dynamics</a>, <a href="https://publications.waset.org/abstracts/search?q=scour" title=" scour"> scour</a> </p> <a href="https://publications.waset.org/abstracts/141920/investigation-of-fluid-structure-seabed-interaction-of-gravity-anchor-under-scour-and-anchor-transportation-and-installation-ti" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/141920.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">169</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">121</span> 3-Dimensional Contamination Conceptual Site Model: A Case Study Illustrating the Multiple Applications of Developing and Maintaining a 3D Contamination Model during an Active Remediation Project on a Former Urban Gasworks Site</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Duncan%20Fraser">Duncan Fraser</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A 3-Dimensional (3D) conceptual site model was developed using the Leapfrog Works® platform utilising a comprehensive historical dataset for a large former Gasworks site in Fitzroy, Melbourne. The gasworks had been constructed across two fractured geological units with varying hydraulic conductivities. A Newer Volcanic (basaltic) outcrop covered approximately half of the site and was overlying a fractured Melbourne formation (Siltstone) bedrock outcropping over the remaining portion. During the investigative phase of works, a dense non-aqueous phase liquid (DNAPL) plume (coal tar) was identified within both geological units in the subsurface originating from multiple sources, including gasholders, tar wells, condensers, and leaking pipework. The first stage of model development was undertaken to determine the horizontal and vertical extents of the coal tar in the subsurface and assess the potential causality between potential sources, plume location, and site geology. Concentrations of key contaminants of interest (COIs) were also interpolated within Leapfrog to refine the distribution of contaminated soils. The model was subsequently used to develop a robust soil remediation strategy and achieve endorsement from an Environmental Auditor. A change in project scope, following the removal and validation of the three former gasholders, necessitated the additional excavation of a significant volume of residual contaminated rock to allow for the future construction of two-story underground basements. To assess financial liabilities associated with the offsite disposal or thermal treatment of material, the 3D model was updated with three years of additional analytical data from the active remediation phase of works. Chemical concentrations and the residual tar plume within the rock fractures were modelled to pre-classify the in-situ material and enhance separation strategies to prevent the unnecessary treatment of material and reduce costs. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=3D%20model" title="3D model">3D model</a>, <a href="https://publications.waset.org/abstracts/search?q=contaminated%20land" title=" contaminated land"> contaminated land</a>, <a href="https://publications.waset.org/abstracts/search?q=Leapfrog" title=" Leapfrog"> Leapfrog</a>, <a href="https://publications.waset.org/abstracts/search?q=remediation" title=" remediation"> remediation</a> </p> <a href="https://publications.waset.org/abstracts/150672/3-dimensional-contamination-conceptual-site-model-a-case-study-illustrating-the-multiple-applications-of-developing-and-maintaining-a-3d-contamination-model-during-an-active-remediation-project-on-a-former-urban-gasworks-site" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/150672.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">132</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">120</span> A New Floating Point Implementation of Base 2 Logarithm</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20M.%20Mansour">Ahmed M. Mansour</a>, <a href="https://publications.waset.org/abstracts/search?q=Ali%20M.%20El-Sawy"> Ali M. El-Sawy</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20T.%20Sayed"> Ahmed T. Sayed </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Logarithms reduce products to sums and powers to products; they play an important role in signal processing, communication and information theory. They are primarily used for hardware calculations, handling multiplications, divisions, powers, and roots effectively. There are three commonly used bases for logarithms; the logarithm with base-10 is called the common logarithm, the natural logarithm with base-e and the binary logarithm with base-2. This paper demonstrates different methods of calculation for log2 showing the complexity of each and finds out the most accurate and efficient besides giving in- sights to their hardware design. We present a new method called Floor Shift for fast calculation of log2, and then we combine this algorithm with Taylor series to improve the accuracy of the output, we illustrate that by using two examples. We finally compare the algorithms and conclude with our remarks. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=logarithms" title="logarithms">logarithms</a>, <a href="https://publications.waset.org/abstracts/search?q=log2" title=" log2"> log2</a>, <a href="https://publications.waset.org/abstracts/search?q=floor" title=" floor"> floor</a>, <a href="https://publications.waset.org/abstracts/search?q=iterative" title=" iterative"> iterative</a>, <a href="https://publications.waset.org/abstracts/search?q=CORDIC" title=" CORDIC"> CORDIC</a>, <a href="https://publications.waset.org/abstracts/search?q=Taylor%20series" title=" Taylor series "> Taylor series </a> </p> <a href="https://publications.waset.org/abstracts/15224/a-new-floating-point-implementation-of-base-2-logarithm" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/15224.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">532</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">119</span> An Investigation of How Pre-Service Physics Teachers Perceived the Results of Buoyancy Force</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ersin%20Bozkurt">Ersin Bozkurt</a>, <a href="https://publications.waset.org/abstracts/search?q=%C5%9E%C3%BCkran%20Erdo%C4%9Fan"> Şükran Erdoğan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The purpose of the study is to explore how pre-service teachers perceive buoyancy force effecting an object in a liquid and identify their misconceptions. Pre-service teachers were interviewed to reveal their understandings of an object's floating, suspending and sinking in a liquid. In addition, they were asked about how an object -given its features- moved when it is provided with an external force and when it is released. The so-called circumstances were questioned in a different planet contexts. For this aim, focused group interview method was used. Six focused groups were formed and video recorded during the interval. Each focused group comprised of five pre-service teachers. It was found out pre-service teachers have common misunderstanding and misconceptions. In order to eliminate this conceptual misunderstandings, conceptual change texts were developed and further suggestions were made. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=computer%20simulations" title="computer simulations">computer simulations</a>, <a href="https://publications.waset.org/abstracts/search?q=conceptual%20change%20texts" title=" conceptual change texts"> conceptual change texts</a>, <a href="https://publications.waset.org/abstracts/search?q=physics%20education" title=" physics education"> physics education</a>, <a href="https://publications.waset.org/abstracts/search?q=students%E2%80%99%20misconceptions%20in%20physics" title=" students’ misconceptions in physics"> students’ misconceptions in physics</a> </p> <a href="https://publications.waset.org/abstracts/31713/an-investigation-of-how-pre-service-physics-teachers-perceived-the-results-of-buoyancy-force" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/31713.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">466</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">118</span> Ultrasonography of Low Extremities Veins Before and After Replacement of Knee Joint by Endoprosthesis </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=A.%20V.%20Alabut">A. V. Alabut</a>, <a href="https://publications.waset.org/abstracts/search?q=V.%20D.%20Sikilinda"> V. D. Sikilinda</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20J.%20Nelasov"> N. J. Nelasov</a>, <a href="https://publications.waset.org/abstracts/search?q=O.%20L.%20Eroshenko"> O. L. Eroshenko</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20N.%20Morgunov"> M. N. Morgunov</a>, <a href="https://publications.waset.org/abstracts/search?q=I.%20V.%20Koroleva"> I. V. Koroleva </a> </p> <p class="card-text"><strong>Abstract:</strong></p> We have analyzed the results of treatment of 204 patients with knee prosthetic arthroplasty. For the purpose of active delineation of vascular pathology triplex sonography of arterial and venous vessels of low extremities was performed in all cases in the preoperative period. When it was necessary, reconstructive vascular surgery was implemented to improve peripheral circulation and reduce the hazard of thrombosis after knee replacement. The combination of specific and nonspecific methods of thromboprophylaxis was used in perioperative period. On 7-10 day and 2.5-3 month after prosthetic arthroplasty, all patients iteratively underwent triple sonography. In case of detection of floating thrombus, urgent venous ligation was performed. Active diagnostics of venous thrombosis gave the opportunity to avoid fatal pulmonary embolism. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=knee%20replacement" title="knee replacement">knee replacement</a>, <a href="https://publications.waset.org/abstracts/search?q=venous%20thrombosis" title=" venous thrombosis"> venous thrombosis</a>, <a href="https://publications.waset.org/abstracts/search?q=pulmonary%20embolism" title=" pulmonary embolism"> pulmonary embolism</a>, <a href="https://publications.waset.org/abstracts/search?q=vascular%20surgery" title=" vascular surgery "> vascular surgery </a> </p> <a href="https://publications.waset.org/abstracts/5218/ultrasonography-of-low-extremities-veins-before-and-after-replacement-of-knee-joint-by-endoprosthesis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/5218.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">368</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">117</span> Construction Technology of Modified Vacuum Pre-Loading Method for Slurry Dredged Soil</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ali%20H.%20Mahfouz">Ali H. Mahfouz</a>, <a href="https://publications.waset.org/abstracts/search?q=Gao%20Ming-Jun"> Gao Ming-Jun</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamad%20Sharif"> Mohamad Sharif</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Slurry dredged soil at coastal area has a high water content, poor permeability, and low surface intensity. Hence, it is infeasible to use vacuum preloading method to treat this type of soil foundation. For the special case of super soft ground, a floating bridge is first constructed on muddy soil and used as a service road and platform for implementing the modified vacuum preloading method. The modified technique of vacuum preloading and its construction process for the super soft soil foundation improvement is then studied. Application of modified vacuum preloading method shows that the technology and its construction process are highly suitable for improving the super soft soil foundation in coastal areas. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=super%20soft%20foundation" title="super soft foundation">super soft foundation</a>, <a href="https://publications.waset.org/abstracts/search?q=dredger%20fill" title=" dredger fill"> dredger fill</a>, <a href="https://publications.waset.org/abstracts/search?q=vacuum%20preloading" title=" vacuum preloading"> vacuum preloading</a>, <a href="https://publications.waset.org/abstracts/search?q=foundation%20treatment" title=" foundation treatment"> foundation treatment</a>, <a href="https://publications.waset.org/abstracts/search?q=construction%20technology" title=" construction technology"> construction technology</a> </p> <a href="https://publications.waset.org/abstracts/46474/construction-technology-of-modified-vacuum-pre-loading-method-for-slurry-dredged-soil" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/46474.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">609</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">116</span> Dynamic Analysis of Offshore 2-HUS/U Parallel Platform</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Xie%20Kefeng">Xie Kefeng</a>, <a href="https://publications.waset.org/abstracts/search?q=Zhang%20He"> Zhang He</a> </p> <p class="card-text"><strong>Abstract:</strong></p> For the stability and control demand of offshore small floating platform, a 2-HUS/U parallel mechanism was presented as offshore platform. Inverse kinematics was obtained by institutional constraint equation, and the dynamic model of offshore 2-HUS/U parallel platform was derived based on rigid body’s Lagrangian method. The equivalent moment of inertia, damping and driving force/torque variation of offshore 2-HUS/U parallel platform were analyzed. A numerical example shows that, for parallel platform of given motion, system’s equivalent inertia changes 1.25 times maximally. During the movement of platform, they change dramatically with the system configuration and have coupling characteristics. The maximum equivalent drive torque is 800 N. At the same time, the curve of platform’s driving force/torque is smooth and has good sine features. The control system needs to be adjusted according to kinetic equation during stability and control and it provides a basis for the optimization of control system. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=2-HUS%2FU%20platform" title="2-HUS/U platform">2-HUS/U platform</a>, <a href="https://publications.waset.org/abstracts/search?q=dynamics" title=" dynamics"> dynamics</a>, <a href="https://publications.waset.org/abstracts/search?q=Lagrange" title=" Lagrange"> Lagrange</a>, <a href="https://publications.waset.org/abstracts/search?q=parallel%20platform" title=" parallel platform"> parallel platform</a> </p> <a href="https://publications.waset.org/abstracts/54812/dynamic-analysis-of-offshore-2-husu-parallel-platform" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/54812.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">345</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">115</span> Greenhouse Gas Emissions from a Tropical Eutrophic Freshwater Wetland</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Juan%20P.%20Silva">Juan P. Silva</a>, <a href="https://publications.waset.org/abstracts/search?q=T.%20R.%20Canchala"> T. R. Canchala</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20J.%20Lubberding"> H. J. Lubberding</a>, <a href="https://publications.waset.org/abstracts/search?q=E.%20J.%20Pe%C3%B1a"> E. J. Peña</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20J.%20Gijzen"> H. J. Gijzen</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study measured the fluxes of greenhouse gases (GHGs) i.e. CO<sub>2</sub>, CH<sub>4</sub> and N<sub>2</sub>O from a tropical eutrophic freshwater wetland (“Sonso Lagoon”) which receives input loading nutrient from several sources i.e. agricultural run-off, domestic sewage, and a polluted river. The flux measurements were carried out at four different points using the static chamber technique. CO<sub>2</sub> fluxes ranged from -8270 to 12210 mg.m<sup>-2</sup>.d<sup>-1</sup> (median = 360; SD = 4.11; n = 50), CH<sub>4</sub> ranged between 0.2 and 5270 mg.m<sup>-2</sup>.d<sup>-1</sup> (median = 60; SD = 1.27; n = 45), and N<sub>2</sub>O ranged from -31.12 to 15.4 mg N<sub>2</sub>O m<sup>-2</sup>.d<sup>-1</sup> (median = 0.05; SD = 9.36; n = 42). Although some negative fluxes were observed in the zone dominated by floating plants i.e. <em>Eichornia crassipes, Salvinia </em>sp<em>.</em>, and <em>Pistia stratiotes </em>L., the mean values indicated that the Sonso Lagoon was a net source of CO<sub>2</sub>, CH<sub>4</sub> and N<sub>2</sub>O. In addition, an effect of the eutrophication on GHG emissions could be observed in the positive correlation found between CO<sub>2</sub>, CH<sub>4</sub> and N<sub>2</sub>O generation and COD, PO<sub>4</sub><sup>-3</sup>, NH<sub>3</sub>-N, TN and NO<sub>3</sub><sup>-</sup>N. The eutrophication impact on GHG production highlights the necessity to limit the anthropic activities on freshwater wetlands. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=eutrophication" title="eutrophication">eutrophication</a>, <a href="https://publications.waset.org/abstracts/search?q=greenhouse%20gas%20emissions" title=" greenhouse gas emissions"> greenhouse gas emissions</a>, <a href="https://publications.waset.org/abstracts/search?q=freshwater%20wetlands" title=" freshwater wetlands"> freshwater wetlands</a>, <a href="https://publications.waset.org/abstracts/search?q=climate%20change" title=" climate change"> climate change</a> </p> <a href="https://publications.waset.org/abstracts/43499/greenhouse-gas-emissions-from-a-tropical-eutrophic-freshwater-wetland" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/43499.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">361</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">114</span> Comparative Investigation of Two Non-Contact Prototype Designs Based on a Squeeze-Film Levitation Approach</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=A.%20Almurshedi">A. Almurshedi</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Atherton"> M. Atherton</a>, <a href="https://publications.waset.org/abstracts/search?q=C.%20Mares"> C. Mares</a>, <a href="https://publications.waset.org/abstracts/search?q=T.%20Stolarski"> T. Stolarski</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Miyatake"> M. Miyatake</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Transportation and handling of delicate and lightweight objects is currently a significant issue in some industries. Two common contactless movement prototype designs, ultrasonic transducer design and vibrating plate design, are compared. Both designs are based on the method of squeeze-film levitation, and this study aims to identify the limitations, and challenges of each. The designs are evaluated in terms of levitation capabilities, and characteristics. To this end, theoretical and experimental explorations are made. It is demonstrated that the ultrasonic transducer prototype design is better suited to the terms of levitation capabilities. However, the design has some operating and mechanical designing difficulties. For making accurate industrial products in micro-fabrication and nanotechnology contexts, such as semiconductor silicon wafers, micro-components and integrated circuits, non-contact oil-free, ultra-precision and low wear transport along the production line is crucial for enabling. One of the designs (design A) is called the ultrasonic chuck, for which an ultrasonic transducer (Langevin, FBI 28452 HS) comprises the main part. Whereas the other (design B), is a vibrating plate design, which consists of a plain rectangular plate made of Aluminium firmly fastened at both ends. The size of the rectangular plate is 200x100x2 mm. In addition, four rounded piezoelectric actuators of size 28 mm diameter with 0.5 mm thickness are glued to the underside of the plate. The vibrating plate is clamped at both ends in the horizontal plane through a steel supporting structure. In addition, the dynamic of levitation using the designs (A and B) has been investigated based on the squeeze film levitation (SFL). The input apparatus that is used with designs consist of a sine wave signal generator connected to an amplifier type ENP-1-1U (Echo Electronics). The latter has to be utilised to magnify the sine wave voltage that is produced by the signal generator. The measurements of the maximum levitation for three different semiconductor wafers of weights 52, 70 and 88 [g] for design A are 240, 205 and 187 [um], respectively. Whereas the physical results show that the average separation distance for a disk of 5 [g] weight for design B reaches 70 [um]. By using the methodology of squeeze film levitation, it is possible to hold an object in a non-contact manner. The analyses of the investigation outcomes signify that the non-contact levitation of design A provides more improvement than design B. However, design A is more complicated than design B in terms of its manufacturing. In order to identify an adequate non-contact SFL design, a comparison between two common such designs has been adopted for the current investigation. Specifically, the study will involve making comparisons in terms of the following issues: floating component geometries and material type constraints; final created pressure distributions; dangerous interactions with the surrounding space; working environment constraints; and complication and compactness of the mechanical design. Considering all these matters is essential for proficiently distinguish the better SFL design. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ANSYS" title="ANSYS">ANSYS</a>, <a href="https://publications.waset.org/abstracts/search?q=floating" title=" floating"> floating</a>, <a href="https://publications.waset.org/abstracts/search?q=piezoelectric" title=" piezoelectric"> piezoelectric</a>, <a href="https://publications.waset.org/abstracts/search?q=squeeze-film" title=" squeeze-film"> squeeze-film</a> </p> <a href="https://publications.waset.org/abstracts/87311/comparative-investigation-of-two-non-contact-prototype-designs-based-on-a-squeeze-film-levitation-approach" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/87311.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">149</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">113</span> An Amphibious House for Flood Prone Areas in Godavari River Basin</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gangadhara%20Rao%20K.">Gangadhara Rao K.</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In Andhra Pradesh traditionally, the flood problem had been confined to the flooding of smaller rivers. But the drainage problem in the coastal delta zones has worsened, multiplying the destructive potential of cyclones and increasing flood hazards. As a result of floods, the people living around these areas are forced to move out of their traditions in search of higher altitude places. This paper will be discussing about suitability of techniques used in Bangladesh in context of Godavari river basin in Andhra Pradesh. The study considers social, physical and environmental conditions of the region. The methods for achieving this objective includes the study of both cases from Bangladesh and Andhra Pradesh. Comparison with the existing techniques and suit to our requirements and context. If successful, we can adopt those techniques and this might help the people living in riverfront areas to stay safe during the floods without losing their traditional lands. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=amphibious" title="amphibious">amphibious</a>, <a href="https://publications.waset.org/abstracts/search?q=bouyancy" title=" bouyancy"> bouyancy</a>, <a href="https://publications.waset.org/abstracts/search?q=floating" title=" floating"> floating</a>, <a href="https://publications.waset.org/abstracts/search?q=architecture" title=" architecture"> architecture</a>, <a href="https://publications.waset.org/abstracts/search?q=flood%20resistent" title=" flood resistent"> flood resistent</a> </p> <a href="https://publications.waset.org/abstracts/82239/an-amphibious-house-for-flood-prone-areas-in-godavari-river-basin" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/82239.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">172</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">112</span> Parasitic and Fungal Identification Bamboo Lobster Panulirus versicolour and Ornate Lobster P. ornatus Cultures</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Indriyani%20Nur">Indriyani Nur</a>, <a href="https://publications.waset.org/abstracts/search?q=Yusnaini"> Yusnaini</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Lobster cultures have failed because of mortalities associated with parasitic and fungal infections. Monitoring of spawned eggs and larva of bamboo lobsters, Panulirus versicolour, and ornate lobsters, P. ornatus, in a hatchery, was conducted in order to characterize fungal and parasitic diseases of eggs and larva. One species of protozoan parasite (Vorticella sp.) was identified from larvae while two species of fungi (Lagenidium sp. and Haliphthoros sp.) were found on eggs. Furthermore, adult lobsters cultured in floating net cage had burning-like diseases on their pleopod, uropod, and telson. Histopathological samples were collected for parasite and tissue changes. There were two parasites found to infect lobsters on external body and gill which are Octolasmis sp. and Oodinium sp. Histopathology showed tissue changes which are necrosis on hepatopancreas, necrosis in the gills and around the uropods and telson. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fungal" title="fungal">fungal</a>, <a href="https://publications.waset.org/abstracts/search?q=histopathology" title=" histopathology"> histopathology</a>, <a href="https://publications.waset.org/abstracts/search?q=lobster" title=" lobster"> lobster</a>, <a href="https://publications.waset.org/abstracts/search?q=parasite" title=" parasite"> parasite</a>, <a href="https://publications.waset.org/abstracts/search?q=infection" title=" infection"> infection</a> </p> <a href="https://publications.waset.org/abstracts/45988/parasitic-and-fungal-identification-bamboo-lobster-panulirus-versicolour-and-ornate-lobster-p-ornatus-cultures" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/45988.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">293</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">111</span> Settlement Performance of Soft Clay Reinforced with Granular Columns </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Muneerah%20Jeludin">Muneerah Jeludin</a>, <a href="https://publications.waset.org/abstracts/search?q=V.%20Sivakumar"> V. Sivakumar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Numerous laboratory-based research studies on the behavior of ground improved with granular columns with respect to bearing capacity have been well-documented. However, information on its settlement performance is still scarce. Laboratory model study on the settlement behavior of soft clay reinforced with granular columns was conducted and results are presented. The investigation uses a soft kaolin clay sample of 300 mm in diameter and 400 mm in length. The clay samples were reinforced with single and multiple granular columns of various lengths using the displacement and replacement installation method. The results indicated that that no settlement reduction was achieved for a short single floating column. The settlement reduction factors reported for L/d ratios of 5.0, 7.5 and 10.0 are in the range of 1 to 2. The findings obtained in this research showed that the reduction factors are considerably less and that load-sharing mechanism between columns and surrounding clay is complex, particularly for column groups and is affected by other factors such as negative skin friction. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ground%20improvement" title="ground improvement">ground improvement</a>, <a href="https://publications.waset.org/abstracts/search?q=model%20test" title=" model test"> model test</a>, <a href="https://publications.waset.org/abstracts/search?q=reinforced%20soil" title=" reinforced soil"> reinforced soil</a>, <a href="https://publications.waset.org/abstracts/search?q=settlement" title=" settlement"> settlement</a> </p> <a href="https://publications.waset.org/abstracts/36746/settlement-performance-of-soft-clay-reinforced-with-granular-columns" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/36746.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">466</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">110</span> Marketing Planning Strategy to Promote Family Agro-Tourism: A Case Study of Bang Nam Phueng Community Prapradeang District, Samutprakarn Province</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sasitorn%20Chetanont">Sasitorn Chetanont</a>, <a href="https://publications.waset.org/abstracts/search?q=Benjaporn%20Yamjameung"> Benjaporn Yamjameung</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The objectives of this study are to increase tourism products and to develop family agro-tourism. The research methodology was to analyze internal and external situations according to MP-MF and the MC-STEPS principles. The results of this study highlight following necessary improvements; extend the cycling routes, increase the number of bicycle rental shops, offer a recreation place for the elders, organize a space for the floating market products and increase tourism activities throughout the year. In ‘places or distribution channel’ we discuss the improvement of facilities, specifically the routes to facilitate elder visitors and visitors on wheelchairs and furthermore the arrangement of educational trips to relevant centers in the community. In ‘promotions’, we discuss the implementation of an 'all inclusive package' were the agro-tourism program, health-conscious program and the elderly fun program converge. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=marketing%20planning%20strategy" title="marketing planning strategy">marketing planning strategy</a>, <a href="https://publications.waset.org/abstracts/search?q=agro-tourism" title=" agro-tourism"> agro-tourism</a>, <a href="https://publications.waset.org/abstracts/search?q=promotions" title=" promotions"> promotions</a>, <a href="https://publications.waset.org/abstracts/search?q=Bang%20Nam%20Phueng" title=" Bang Nam Phueng"> Bang Nam Phueng</a> </p> <a href="https://publications.waset.org/abstracts/9424/marketing-planning-strategy-to-promote-family-agro-tourism-a-case-study-of-bang-nam-phueng-community-prapradeang-district-samutprakarn-province" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/9424.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">307</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">109</span> Study of Relation between Corporate Governance Mechanism and Investment Decisions Made by Companies Listed in Tehran Stock Exchange- IRAN</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Roohollah%20Jamshidpour">Roohollah Jamshidpour</a>, <a href="https://publications.waset.org/abstracts/search?q=Elaheh%20Ahmadi"> Elaheh Ahmadi</a>, <a href="https://publications.waset.org/abstracts/search?q=Farhad%20Shah%20Veisi"> Farhad Shah Veisi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Present research seeks to answer this question: Is there any relationship between corporate governance mechanisms and decision on corporate investments? Percentages of institutional, board of director’s, and stockholder’s ownership are among internal mechanisms of corporate governance relationship of which with investment-based decisions are studied by this research. Information on 103 companies during 1388 (2009)- 1393 (2014). Initially, research variables are identified; next, Rah Avard-e Novin software is used to gather Information. SPSS software is employed to test hypotheses with respect to descriptive and inferential statistics like correlation analysis. Research results show that percentage of institutional stockholders’ ownership has a significant direct relationship with investment decisions. For other cases, no significant relationship is observed between corporate governance mechanisms and investment decisions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=corporate%20governance" title="corporate governance">corporate governance</a>, <a href="https://publications.waset.org/abstracts/search?q=company%20size" title=" company size"> company size</a>, <a href="https://publications.waset.org/abstracts/search?q=free%20floating%20stock" title=" free floating stock"> free floating stock</a>, <a href="https://publications.waset.org/abstracts/search?q=institutional%20investors" title=" institutional investors"> institutional investors</a>, <a href="https://publications.waset.org/abstracts/search?q=major%20shareholders" title=" major shareholders"> major shareholders</a> </p> <a href="https://publications.waset.org/abstracts/54370/study-of-relation-between-corporate-governance-mechanism-and-investment-decisions-made-by-companies-listed-in-tehran-stock-exchange-iran" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/54370.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">295</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">108</span> Automatic Classification of the Stand-to-Sit Phase in the TUG Test Using Machine Learning</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yasmine%20Abu%20Adla">Yasmine Abu Adla</a>, <a href="https://publications.waset.org/abstracts/search?q=Racha%20Soubra"> Racha Soubra</a>, <a href="https://publications.waset.org/abstracts/search?q=Milana%20Kasab"> Milana Kasab</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamad%20O.%20Diab"> Mohamad O. Diab</a>, <a href="https://publications.waset.org/abstracts/search?q=Aly%20Chkeir"> Aly Chkeir</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Over the past several years, researchers have shown a great interest in assessing the mobility of elderly people to measure their functional status. Usually, such an assessment is done by conducting tests that require the subject to walk a certain distance, turn around, and finally sit back down. Consequently, this study aims to provide an at home monitoring system to assess the patient’s status continuously. Thus, we proposed a technique to automatically detect when a subject sits down while walking at home. In this study, we utilized a Doppler radar system to capture the motion of the subjects. More than 20 features were extracted from the radar signals, out of which 11 were chosen based on their intraclass correlation coefficient (ICC > 0.75). Accordingly, the sequential floating forward selection wrapper was applied to further narrow down the final feature vector. Finally, 5 features were introduced to the linear discriminant analysis classifier, and an accuracy of 93.75% was achieved as well as a precision and recall of 95% and 90%, respectively. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Doppler%20radar%20system" title="Doppler radar system">Doppler radar system</a>, <a href="https://publications.waset.org/abstracts/search?q=stand-to-sit%20phase" title=" stand-to-sit phase"> stand-to-sit phase</a>, <a href="https://publications.waset.org/abstracts/search?q=TUG%20test" title=" TUG test"> TUG test</a>, <a href="https://publications.waset.org/abstracts/search?q=machine%20learning" title=" machine learning"> machine learning</a>, <a href="https://publications.waset.org/abstracts/search?q=classification" title=" classification"> classification</a> </p> <a href="https://publications.waset.org/abstracts/141688/automatic-classification-of-the-stand-to-sit-phase-in-the-tug-test-using-machine-learning" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/141688.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">161</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">107</span> Martial Arts and Combative Program of the Philippine Military Academy Cadet Corps Armed Forces of the Philippines: An Assessment</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jayson%20Vicente">Jayson Vicente</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The young men and women of Philippine Military Academy Cadet Corps Armed Forces of the Philippines (PMA CCAFP) are bred to be front liners and last line of defense during war and times of peace; as such, they must be equipped with the most practical and most effective combat-ready Martial Arts and Combative skills to effectively fulfill their duty, as well as to protect and safeguard themselves to continue serving the people and their country. This study shall assess the current Martial Arts and Combative Program of the PMA CCAFP using descriptive methodology by interviews and floating questionnaires. The current Martial Arts and Combative Program of the PMA CCAFP with all of the subjects involved are more sports inclined rather than combat-equipped. Picking the best from each subject used in the program, this study seeks to recommend improvements or create a better Martial Arts and Combative Program that will satisfy the objective of producing Martial Arts combatant graduates. A good Martial Arts and Combative Program for PMA is essential to prepare them for what lies ahead, which is unforgiving and no rules to pacify threat. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=combative" title="combative">combative</a>, <a href="https://publications.waset.org/abstracts/search?q=martial%20arts" title=" martial arts"> martial arts</a>, <a href="https://publications.waset.org/abstracts/search?q=military" title=" military"> military</a>, <a href="https://publications.waset.org/abstracts/search?q=program" title=" program"> program</a> </p> <a href="https://publications.waset.org/abstracts/133751/martial-arts-and-combative-program-of-the-philippine-military-academy-cadet-corps-armed-forces-of-the-philippines-an-assessment" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/133751.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">149</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">106</span> Computation of ΔV Requirements for Space Debris Removal Using Orbital Transfer</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sadhvi%20Gupta">Sadhvi Gupta</a>, <a href="https://publications.waset.org/abstracts/search?q=Charulatha%20S."> Charulatha S.</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Since the dawn of the early 1950s humans have launched numerous vehicles in space. Be it from rockets to rovers humans have done tremendous growth in the technology sector. While there is mostly upside for it for humans the only major downside which cannot be ignored now is the amount of junk produced in space due to it i.e. space debris. All this space junk amounts from objects we launch from earth which so remains in orbit until it re-enters the atmosphere. Space debris can be of various sizes mainly the big ones are of the dead satellites floating in space and small ones can consist of various things like paint flecks, screwdrivers, bolts etc. Tracking of small space debris whose size is less than 10 cm is impossible and can have vast implications. As the amount of space debris increases in space the chances of it hitting a functional satellite also increases. And it is extremely costly to repair or recover the satellite once hit by a revolving space debris. So the proposed solution is, Actively removing space debris while keeping space sustainability in mind. For this solution a total of 8 modules will be launched in LEO and in GEO and these models will be placed in their desired orbits through Hohmann transfer and for that calculating ΔV values is crucial. After which the modules will be placed in their designated positions in STK software and thorough analysis is conducted. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=space%20debris" title="space debris">space debris</a>, <a href="https://publications.waset.org/abstracts/search?q=Hohmann%20transfer" title=" Hohmann transfer"> Hohmann transfer</a>, <a href="https://publications.waset.org/abstracts/search?q=STK" title=" STK"> STK</a>, <a href="https://publications.waset.org/abstracts/search?q=delta-V" title=" delta-V"> delta-V</a> </p> <a href="https://publications.waset.org/abstracts/166831/computation-of-dv-requirements-for-space-debris-removal-using-orbital-transfer" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/166831.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">86</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">105</span> Create and Design Visual Presentation to Promote Thai Cuisine</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Supaporn%20Wimonchailerk">Supaporn Wimonchailerk</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This research aims to study how to design and create the media to promote Thai cuisine. The study used qualitative research methods by using in-depth interview 3 key informants who have experienced in the production of food or cooking shows in television programs with an aspect of acknowledging Thai foods. The results showed that visual presentation is divided into four categories. First, the light meals should be presented in details via the close-up camera with lighting to make the food look more delicious. Then the curry presentation should be arranged a clear and crisp light focus on a colorful curry paste. Besides the vision of hot steam floating from the plate and a view of curry spread on steamed rice can call great attentions. Third, delivering good appearances of the fried or spicy foods, the images must allow the audiences to see the shine of the coat covering the texture of the food and the colorful of the ingredients. Fourth, the presentation of sweets is recommended to focus on details of food design, composition, and layout. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=media%20production" title="media production">media production</a>, <a href="https://publications.waset.org/abstracts/search?q=television" title=" television"> television</a>, <a href="https://publications.waset.org/abstracts/search?q=promote" title=" promote"> promote</a>, <a href="https://publications.waset.org/abstracts/search?q=Thai%20cuisine" title=" Thai cuisine"> Thai cuisine</a> </p> <a href="https://publications.waset.org/abstracts/39961/create-and-design-visual-presentation-to-promote-thai-cuisine" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/39961.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">237</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">104</span> Power Generation through Water Vapour: An Approach of Using Sea/River/Lake Water as Renewable Energy Source</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Riad">Riad</a> </p> <p class="card-text"><strong>Abstract:</strong></p> As present world needs more and more energy in a low cost way, it needs to find out the optimal way of power generation. In the sense of low cost, renewable energy is one of the greatest sources of power generation. Water vapour of sea/river/lake can be used for power generation by using the greenhouse effect in a large flat type water chamber floating on the water surface. The water chamber will always be kept half filled. When water evaporates by sunlight, the high pressured gaseous water will be stored in the chamber. By passing through a pipe and by using aerodynamics it can be used for power generation. The water level of the chamber is controlled by some means. As a large amount of water evaporates, an estimation can be highlighted, approximately 3 to 4 thousand gallons of water evaporates from per acre of surface (this amount will be more by greenhouse effect). This large amount of gaseous water can be utilized for power generation by passing through a pipe. This method can be a source of power generation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=renewable%20energy" title="renewable energy">renewable energy</a>, <a href="https://publications.waset.org/abstracts/search?q=greenhouse%20effect" title=" greenhouse effect"> greenhouse effect</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20chamber" title=" water chamber"> water chamber</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20vapour" title=" water vapour"> water vapour</a> </p> <a href="https://publications.waset.org/abstracts/63915/power-generation-through-water-vapour-an-approach-of-using-seariverlake-water-as-renewable-energy-source" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/63915.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">355</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">103</span> Functional Instruction Set Simulator of a Neural Network IP with Native Brain Float-16 Generator</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Debajyoti%20Mukherjee">Debajyoti Mukherjee</a>, <a href="https://publications.waset.org/abstracts/search?q=Arathy%20B.%20S."> Arathy B. S.</a>, <a href="https://publications.waset.org/abstracts/search?q=Arpita%20Sahu"> Arpita Sahu</a>, <a href="https://publications.waset.org/abstracts/search?q=Saranga%20P.%20Pogula"> Saranga P. Pogula</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A functional model to mimic the functional correctness of a neural network compute accelerator IP is very crucial for design validation. Neural network workloads are based on a Brain Floating Point (BF-16) data type. The major challenge we were facing was the incompatibility of GCC compilers to the BF-16 datatype, which we addressed with a native BF-16 generator integrated into our functional model. Moreover, working with big GEMM (General Matrix Multiplication) or SpMM (Sparse Matrix Multiplication) Work Loads (Dense or Sparse) and debugging the failures related to data integrity is highly painstaking. In this paper, we are addressing the quality challenge of such a complex neural network accelerator design by proposing a functional model-based scoreboard or software model using SystemC. The proposed functional model executes the assembly code based on the ISA of the processor IP, decodes all instructions, and executes as expected to be done by the DUT. The said model would give a lot of visibility and debug capability in the DUT, bringing up micro-steps of execution. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ISA" title="ISA">ISA</a>, <a href="https://publications.waset.org/abstracts/search?q=neural%20network" title=" neural network"> neural network</a>, <a href="https://publications.waset.org/abstracts/search?q=Brain%20Float-16" title=" Brain Float-16"> Brain Float-16</a>, <a href="https://publications.waset.org/abstracts/search?q=DUT" title=" DUT"> DUT</a> </p> <a href="https://publications.waset.org/abstracts/159455/functional-instruction-set-simulator-of-a-neural-network-ip-with-native-brain-float-16-generator" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/159455.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">94</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">102</span> The Usage of Nitrogen Gas and Alum for Sludge Dewatering</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mamdouh%20Yousef%20Saleh">Mamdouh Yousef Saleh</a>, <a href="https://publications.waset.org/abstracts/search?q=Medhat%20Hosny%20El-Zahar"> Medhat Hosny El-Zahar</a>, <a href="https://publications.waset.org/abstracts/search?q=Shymaa%20El-Dosoky"> Shymaa El-Dosoky</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In most cases, the associated processing cost of dewatering sludge increase with the solid particles concentration. All experiments in this study were conducted on biological sludge type. All experiments help to reduce the greenhouse gases in addition, the technology used was faster in time and less in cost compared to other methods. First, the bubbling pressure was used to dissolve N₂ gas into the sludge, second alum was added to accelerate the process of coagulation of the sludge particles and facilitate their flotation, and third nitrogen gas was used to help floating the sludge particles and reduce the processing time because of the nitrogen gas from the inert gases. The conclusions of this experiment were as follows: first, the best conditions were obtained when the bubbling pressure was 0.6 bar. Second, the best alum dose was determined to help the sludge agglomerate and float. During the experiment, the best alum dose was 80 mg/L. It increased concentration of the sludge by 7-8 times. Third, the economic dose of nitrogen gas was 60 mg/L with separation efficiency of 85%. The sludge concentration was about 8-9 times. That happened due to the gas released tiny bubbles which adhere to the suspended matter causing them to float to the surface of the water where it could be then removed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=nitrogen%20gas" title="nitrogen gas">nitrogen gas</a>, <a href="https://publications.waset.org/abstracts/search?q=biological%20treatment" title=" biological treatment"> biological treatment</a>, <a href="https://publications.waset.org/abstracts/search?q=alum" title=" alum"> alum</a>, <a href="https://publications.waset.org/abstracts/search?q=dewatering%20sludge" title=" dewatering sludge"> dewatering sludge</a>, <a href="https://publications.waset.org/abstracts/search?q=greenhouse%20gases" title=" greenhouse gases"> greenhouse gases</a> </p> <a href="https://publications.waset.org/abstracts/104794/the-usage-of-nitrogen-gas-and-alum-for-sludge-dewatering" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/104794.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">217</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">101</span> Sensitivity Analysis of Oil Spills Modeling with ADIOS II for Iranian Fields in Persian Gulf</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Farzingohar%20Mehrnaz">Farzingohar Mehrnaz</a>, <a href="https://publications.waset.org/abstracts/search?q=Yasemi%20Mehran"> Yasemi Mehran</a>, <a href="https://publications.waset.org/abstracts/search?q=Esmaili%20Zinat"> Esmaili Zinat</a>, <a href="https://publications.waset.org/abstracts/search?q=Baharlouian%20Maedeh"> Baharlouian Maedeh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Aboozar (Ardeshir) and Bahregansar are the two important Iranian oilfields in Persian Gulf waters. The operation activities cause to create spills which impacted on the marine environment. Assumed spills are molded by ADIOS II (Automated Data Inquiry for Oil Spills) which is NOAA’s weathering oil software. Various atmospheric and marine data with different oil types are used for the modeling. Numerous scenarios for 100 bbls with mean daily air temperature and wind speed are input for 5 days. To find the model sensitivity in each setting, one parameter is changed, but the others stayed constant. In both fields, the evaporated and dispersed output values increased hence the remaining rate is reduced. The results clarified that wind speed first, second air temperature and finally oil type respectively were the most effective factors on the oil weathering process. The obtained results can help the emergency systems to predict the floating (dispersed and remained) volume spill in order to find the suitable cleanup tools and methods. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ADIOS" title="ADIOS">ADIOS</a>, <a href="https://publications.waset.org/abstracts/search?q=modeling" title=" modeling"> modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=oil%20spill" title=" oil spill"> oil spill</a>, <a href="https://publications.waset.org/abstracts/search?q=sensitivity%20analysis" title=" sensitivity analysis"> sensitivity analysis</a> </p> <a href="https://publications.waset.org/abstracts/46836/sensitivity-analysis-of-oil-spills-modeling-with-adios-ii-for-iranian-fields-in-persian-gulf" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/46836.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">299</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">100</span> Protocol for Dynamic Load Distributed Low Latency Web-Based Augmented Reality and Virtual Reality</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rohit%20T.%20P.">Rohit T. P.</a>, <a href="https://publications.waset.org/abstracts/search?q=Sahil%20Athrij"> Sahil Athrij</a>, <a href="https://publications.waset.org/abstracts/search?q=Sasi%20Gopalan"> Sasi Gopalan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Currently, the content entertainment industry is dominated by mobile devices. As the trends slowly shift towards Augmented/Virtual Reality applications the computational demands on these devices are increasing exponentially and we are already reaching the limits of hardware optimizations. This paper proposes a software solution to this problem. By leveraging the capabilities of cloud computing we can offload the work from mobile devices to dedicated rendering servers that are way more powerful. But this introduces the problem of latency. This paper introduces a protocol that can achieve high-performance low latency Augmented/Virtual Reality experience. There are two parts to the protocol, 1) In-flight compression The main cause of latency in the system is the time required to transmit the camera frame from client to server. The round trip time is directly proportional to the amount of data transmitted. This can therefore be reduced by compressing the frames before sending. Using some standard compression algorithms like JPEG can result in minor size reduction only. Since the images to be compressed are consecutive camera frames there won't be a lot of changes between two consecutive images. So inter-frame compression is preferred. Inter-frame compression can be implemented efficiently using WebGL but the implementation of WebGL limits the precision of floating point numbers to 16bit in most devices. This can introduce noise to the image due to rounding errors, which will add up eventually. This can be solved using an improved interframe compression algorithm. The algorithm detects changes between frames and reuses unchanged pixels from the previous frame. This eliminates the need for floating point subtraction thereby cutting down on noise. The change detection is also improved drastically by taking the weighted average difference of pixels instead of the absolute difference. The kernel weights for this comparison can be fine-tuned to match the type of image to be compressed. 2) Dynamic Load distribution Conventional cloud computing architectures work by offloading as much work as possible to the servers, but this approach can cause a hit on bandwidth and server costs. The most optimal solution is obtained when the device utilizes 100% of its resources and the rest is done by the server. The protocol balances the load between the server and the client by doing a fraction of the computing on the device depending on the power of the device and network conditions. The protocol will be responsible for dynamically partitioning the tasks. Special flags will be used to communicate the workload fraction between the client and the server and will be updated in a constant interval of time ( or frames ). The whole of the protocol is designed so that it can be client agnostic. Flags are available to the client for resetting the frame, indicating latency, switching mode, etc. The server can react to client-side changes on the fly and adapt accordingly by switching to different pipelines. The server is designed to effectively spread the load and thereby scale horizontally. This is achieved by isolating client connections into different processes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=2D%20kernelling" title="2D kernelling">2D kernelling</a>, <a href="https://publications.waset.org/abstracts/search?q=augmented%20reality" title=" augmented reality"> augmented reality</a>, <a href="https://publications.waset.org/abstracts/search?q=cloud%20computing" title=" cloud computing"> cloud computing</a>, <a href="https://publications.waset.org/abstracts/search?q=dynamic%20load%20distribution" title=" dynamic load distribution"> dynamic load distribution</a>, <a href="https://publications.waset.org/abstracts/search?q=immersive%20experience" title=" immersive experience"> immersive experience</a>, <a href="https://publications.waset.org/abstracts/search?q=mobile%20computing" title=" mobile computing"> mobile computing</a>, <a href="https://publications.waset.org/abstracts/search?q=motion%20tracking" title=" motion tracking"> motion tracking</a>, <a href="https://publications.waset.org/abstracts/search?q=protocols" title=" protocols"> protocols</a>, <a href="https://publications.waset.org/abstracts/search?q=real-time%20systems" title=" real-time systems"> real-time systems</a>, <a href="https://publications.waset.org/abstracts/search?q=web-based%20augmented%20reality%20application" title=" web-based augmented reality application"> web-based augmented reality application</a> </p> <a href="https://publications.waset.org/abstracts/159383/protocol-for-dynamic-load-distributed-low-latency-web-based-augmented-reality-and-virtual-reality" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/159383.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">72</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">99</span> Functional Instruction Set Simulator (ISS) of a Neural Network (NN) IP with Native BF-16 Generator</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Debajyoti%20Mukherjee">Debajyoti Mukherjee</a>, <a href="https://publications.waset.org/abstracts/search?q=Arathy%20B.%20S."> Arathy B. S.</a>, <a href="https://publications.waset.org/abstracts/search?q=Arpita%20Sahu"> Arpita Sahu</a>, <a href="https://publications.waset.org/abstracts/search?q=Saranga%20P.%20Pogula"> Saranga P. Pogula</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A Functional Model to mimic the functional correctness of a Neural Network Compute Accelerator IP is very crucial for design validation. Neural network workloads are based on a Brain Floating Point (BF-16) data type. The major challenge we were facing was the incompatibility of gcc compilers to BF-16 datatype, which we addressed with a native BF-16 generator integrated to our functional model. Moreover, working with big GEMM (General Matrix Multiplication) or SpMM (Sparse Matrix Multiplication) Work Loads (Dense or Sparse) and debugging the failures related to data integrity is highly painstaking. In this paper, we are addressing the quality challenge of such a complex Neural Network Accelerator design by proposing a Functional Model-based scoreboard or Software model using SystemC. The proposed Functional Model executes the assembly code based on the ISA of the processor IP, decodes all instructions, and executes as expected to be done by the DUT. The said model would give a lot of visibility and debug capability in the DUT bringing up micro-steps of execution. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ISA%20%28instruction%20set%20architecture%29" title="ISA (instruction set architecture)">ISA (instruction set architecture)</a>, <a href="https://publications.waset.org/abstracts/search?q=NN%20%28neural%20network%29" title=" NN (neural network)"> NN (neural network)</a>, <a href="https://publications.waset.org/abstracts/search?q=TLM%20%28transaction-level%20modeling%29" title=" TLM (transaction-level modeling)"> TLM (transaction-level modeling)</a>, <a href="https://publications.waset.org/abstracts/search?q=GEMM%20%28general%20matrix%20multiplication%29" title=" GEMM (general matrix multiplication)"> GEMM (general matrix multiplication)</a> </p> <a href="https://publications.waset.org/abstracts/168875/functional-instruction-set-simulator-iss-of-a-neural-network-nn-ip-with-native-bf-16-generator" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/168875.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">86</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">98</span> Single Crystal Growth in Floating-Zone Method and Properties of Spin Ladders: Quantum Magnets</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rabindranath%20Bag">Rabindranath Bag</a>, <a href="https://publications.waset.org/abstracts/search?q=Surjeet%20Singh"> Surjeet Singh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Materials in which the electrons are strongly correlated provide some of the most challenging and exciting problems in condensed matter physics today. After the discovery of high critical temperature superconductivity in layered or two-dimensional copper oxides, many physicists got attention in cuprates and it led to an upsurge of interest in the synthesis and physical properties of copper-oxide based material. The quest to understand superconducting mechanism in high-temperature cuprates, drew physicist’s attention to somewhat simpler compounds consisting of spin-chains or one-dimensional lattice of coupled spins. Low-dimensional quantum magnets are of huge contemporary interest in basic sciences as well emerging technologies such as quantum computing and quantum information theory, and heat management in microelectronic devices. Spin ladder is an example of quasi one-dimensional quantum magnets which provides a bridge between one and two dimensional materials. One of the examples of quasi one-dimensional spin-ladder compounds is Sr14Cu24O41, which exhibits a lot of interesting and exciting physical phenomena in low dimensional systems. Very recently, the ladder compound Sr14Cu24O41 was shown to exhibit long-distance quantum entanglement crucial to quantum information theory. Also, it is well known that hole-compensation in this material results in very high (metal-like) anisotropic thermal conductivity at room temperature. These observations suggest that Sr14Cu24O41 is a potential multifunctional material which invites further detailed investigations. To investigate these properties one must needs a large and high quality of single crystal. But these systems are showing incongruently melting behavior, which brings many difficulties to grow a large and quality of single crystals. Hence, we are using TSFZ (Travelling Solvent Floating Zone) method to grow the high quality of single crystals of the low dimensional magnets. Apart from this, it has unique crystal structure (alternating stacks of plane containing edge-sharing CuO2 chains, and the plane containing two-leg Cu2O3 ladder with intermediate Sr layers along the b- axis), which is also incommensurate in nature. It exhibits abundant physical phenomenon such as spin dimerization, crystallization of charge holes and charge density wave. The maximum focus of research so far involved in introducing defects on A-site (Sr). However, apart from the A-site (Sr) doping, there are only few studies in which the B-site (Cu) doping of polycrystalline Sr14Cu24O41 have been discussed and the reason behind this is the possibility of two doping sites for Cu (CuO2 chain and Cu2O3 ladder). Therefore, in our present work, the crystals (pristine and Cu-site doped) were grown by using TSFZ method by tuning the growth parameters. The Laue diffraction images, optical polarized microscopy and Scanning Electron Microscopy (SEM) images confirm the quality of the grown crystals. Here, we report the single crystal growth, magnetic and transport properties of Sr14Cu24O41 and its lightly doped variants (magnetic and non-magnetic) containing less than 1% of Co, Ni, Al and Zn impurities. Since, any real system will have some amount of weak disorder, our studies on these ladder compounds with controlled dilute disorder would be significant in the present context. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=low-dimensional%20quantum%20magnets" title="low-dimensional quantum magnets">low-dimensional quantum magnets</a>, <a href="https://publications.waset.org/abstracts/search?q=single%20crystal" title=" single crystal"> single crystal</a>, <a href="https://publications.waset.org/abstracts/search?q=spin-ladder" title=" spin-ladder"> spin-ladder</a>, <a href="https://publications.waset.org/abstracts/search?q=TSFZ%20technique" title=" TSFZ technique"> TSFZ technique</a> </p> <a href="https://publications.waset.org/abstracts/59022/single-crystal-growth-in-floating-zone-method-and-properties-of-spin-ladders-quantum-magnets" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/59022.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">274</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">97</span> A Study on Manufacturing of Head-Part of Pipes Using a Rotating Manufacturing Process</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=J.%20H.%20Park">J. H. Park</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20K.%20Lee"> S. K. Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Y.%20W.%20Kim"> Y. W. Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20C.%20Ko"> D. C. Ko</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A large variety of pipe flange is required in marine and construction industry.Pipe flanges are usually welded or screwed to the pipe end and are connected with bolts.This approach is very simple and widely used for a long time, however, it results in high development cost and low productivity, and the productions made by this approach usually have safety problem at the welding area.In this research, a new approach of forming pipe flange based on cold forging and floating die concept is presented.This innovative approach increases the effectiveness of the material usage and save the time cost compared with conventional welding method. To ensure the dimensional accuracy of the final product, the finite element analysis (FEA) was carried out to simulate the process of cold forging, and the orthogonal experiment methods were used to investigate the influence of four manufacturing factors (pin die angle, pipe flange angle, rpm, pin die distance from clamp jig) and predicted the best combination of them. The manufacturing factors were obtained by numerical and experimental studies and it shows that the approach is very useful and effective for the forming of pipe flange, and can be widely used later. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cold%20forging" title="cold forging">cold forging</a>, <a href="https://publications.waset.org/abstracts/search?q=FEA%20%28finite%20element%20analysis%29" title=" FEA (finite element analysis)"> FEA (finite element analysis)</a>, <a href="https://publications.waset.org/abstracts/search?q=forge-3D" title=" forge-3D"> forge-3D</a>, <a href="https://publications.waset.org/abstracts/search?q=rotating%20forming" title=" rotating forming"> rotating forming</a>, <a href="https://publications.waset.org/abstracts/search?q=tubes" title=" tubes"> tubes</a> </p> <a href="https://publications.waset.org/abstracts/40235/a-study-on-manufacturing-of-head-part-of-pipes-using-a-rotating-manufacturing-process" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/40235.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">377</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">96</span> Wastewater Treatment by Floating Macrophytes (Salvinia natans) under Algerian Semi-Arid Climate</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Laabassi%20Ayache">Laabassi Ayache</a>, <a href="https://publications.waset.org/abstracts/search?q=Boudehane%20Asma"> Boudehane Asma</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Macrophyte pond has developed strongly in the field of wastewater treatment for irrigation in rural areas and small communities. Their association allows, in some cases, to increase the hydraulic capacity while maintaining the highest level of quality. The present work is devoted to the treatment of domestic wastewater under climatic conditions of Algeria (semi-arid) through a system using two tanks planted with Salvinia natans. The performance study and treatment efficiency of the system overall shows that the latter provides a significant removal of nitrogen pollution: total Kjeldahl nitrogen NTK (85.2%), Ammonium NH₄⁺-N (79%), Nitrite NO₂⁻-N (40%) also, a major meaningful reduction of biochemical oxygen demand BOD₅ was observed at the output of the system (96.9 %). As BOD₅, the chemical oxygen demand (COD) removal was higher than 95% at the exit of the two tanks. A moderately low yield of phosphate-phosphorus (PO₄³-P) was achieved with values not exceeding 37%. In general, the quality of treated effluent meets the Algerian standard of discharge and which allows us to select a suitable species in constructed wetland treatment systems under semi-arid climate. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=nutrient%20removal" title="nutrient removal">nutrient removal</a>, <a href="https://publications.waset.org/abstracts/search?q=Salvinia%20natans" title=" Salvinia natans"> Salvinia natans</a>, <a href="https://publications.waset.org/abstracts/search?q=semi-arid%20climate" title=" semi-arid climate"> semi-arid climate</a>, <a href="https://publications.waset.org/abstracts/search?q=wastewater%20treatment" title=" wastewater treatment"> wastewater treatment</a> </p> <a href="https://publications.waset.org/abstracts/99954/wastewater-treatment-by-floating-macrophytes-salvinia-natans-under-algerian-semi-arid-climate" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/99954.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">155</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">95</span> Multibody Constrained Dynamics of Y-Method Installation System for a Large Scale Subsea Equipment</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Naeem%20Ullah">Naeem Ullah</a>, <a href="https://publications.waset.org/abstracts/search?q=Menglan%20Duan"> Menglan Duan</a>, <a href="https://publications.waset.org/abstracts/search?q=Mac%20Darlington%20Uche%20Onuoha"> Mac Darlington Uche Onuoha</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The lowering of subsea equipment into the deep waters is a challenging job due to the harsh offshore environment. Many researchers have introduced various installation systems to deploy the payload safely into the deep oceans. In general practice, dual floating vessels are not employed owing to the prevalent safety risks and hazards caused by ever-increasing dynamical effects sourced by mutual interaction between the bodies. However, while keeping in the view of the optimal grounds, such as economical one, the Y-method, the two conventional tugboats supporting the equipment by the two independent strands connected to a tri-plate above the equipment, has been employed to study multibody dynamics of the dual barge lifting operations. In this study, the two tugboats and the suspended payload (Y-method) are deployed for the lowering of subsea equipment into the deep waters as a multibody dynamic system. The two-wire ropes are used for the lifting and installation operation by this Y-method installation system. 6-dof (degree of freedom) for each body are considered to establish coupled 18-dof multibody model by embedding technique or velocity transformation technique. The fundamental and prompt advantage of this technique is that the constraint forces can be eliminated directly, and no extra computational effort is required for the elimination of the constraint forces. The inertial frame of reference is taken at the surface of the water as the time-independent frame of reference, and the floating frames of reference are introduced in each body as the time-dependent frames of reference in order to formulate the velocity transformation matrix. The local transformation of the generalized coordinates to the inertial frame of reference is executed by applying the Euler Angle approach. The spherical joints are articulated amongst the multibody as the kinematic joints. The hydrodynamic force, the two-strand forces, the hydrostatic force, and the mooring forces are taken into consideration as the external forces. The radiation force of the hydrodynamic force is obtained by employing the Cummins equation. The wave exciting part of the hydrodynamic force is obtained by using force response amplitude operators (RAOs) that are obtained by the commercial solver ‘OpenFOAM’. The strand force is obtained by considering the wire rope as an elastic spring. The nonlinear hydrostatic force is obtained by the pressure integration technique at each time step of the wave movement. The mooring forces are evaluated by using Faltinsen analytical approach. ‘The Runge Kutta Method’ of Fourth-Order is employed to evaluate the coupled equations of motion obtained for 18-dof multibody model. The results are correlated with the simulated Orcaflex Model. Moreover, the results from Orcaflex Model are compared with the MOSES Model from previous studies. The MBDS of single barge lifting operation from the former studies are compared with the MBDS of the established dual barge lifting operation. The dynamics of the dual barge lifting operation are found larger in magnitude as compared to the single barge lifting operation. It is noticed that the traction at the top connection point of the cable decreases with the increase in the length, and it becomes almost constant after passing through the splash zone. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=dual%20barge%20lifting%20operation" title="dual barge lifting operation">dual barge lifting operation</a>, <a href="https://publications.waset.org/abstracts/search?q=Y-method" title=" Y-method"> Y-method</a>, <a href="https://publications.waset.org/abstracts/search?q=multibody%20dynamics" title=" multibody dynamics"> multibody dynamics</a>, <a href="https://publications.waset.org/abstracts/search?q=shipbuilding" title=" shipbuilding"> shipbuilding</a>, <a href="https://publications.waset.org/abstracts/search?q=installation%20of%20subsea%20equipment" title=" installation of subsea equipment"> installation of subsea equipment</a>, <a href="https://publications.waset.org/abstracts/search?q=shipbuilding" title=" shipbuilding"> shipbuilding</a> </p> <a href="https://publications.waset.org/abstracts/141768/multibody-constrained-dynamics-of-y-method-installation-system-for-a-large-scale-subsea-equipment" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/141768.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">203</span> </span> </div> </div> <ul class="pagination"> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=floating%20condensers&page=4" rel="prev">&lsaquo;</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=floating%20condensers&page=1">1</a></li> <li class="page-item"><a class="page-link" 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