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electromagnetic theory</title> <meta name="description" content="Search results for: electromagnetic theory"> <meta name="keywords" content="electromagnetic theory"> <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 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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="electromagnetic theory"> <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> 5139</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: electromagnetic theory</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5139</span> Analysis and Simulation of TM Fields in Waveguides with Arbitrary Cross-Section Shapes by Means of Evolutionary Equations of Time-Domain Electromagnetic Theory</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=%C3%96mer%20Akta%C5%9F">Ömer Aktaş</a>, <a href="https://publications.waset.org/abstracts/search?q=Olga%20A.%20Suvorova"> Olga A. Suvorova</a>, <a href="https://publications.waset.org/abstracts/search?q=Oleg%20Tretyakov"> Oleg Tretyakov</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The boundary value problem on non-canonical and arbitrary shaped contour is solved with a numerically effective method called Analytical Regularization Method (ARM) to calculate propagation parameters. As a result of regularization, the equation of first kind is reduced to the infinite system of the linear algebraic equations of the second kind in the space of L2. This equation can be solved numerically for desired accuracy by using truncation method. The parameters as cut-off wavenumber and cut-off frequency are used in waveguide evolutionary equations of electromagnetic theory in time-domain to illustrate the real-valued TM fields with lossy and lossless media. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=analytical%20regularization%20method" title="analytical regularization method">analytical regularization method</a>, <a href="https://publications.waset.org/abstracts/search?q=electromagnetic%20theory%20evolutionary%20equations%20of%20time-domain" title=" electromagnetic theory evolutionary equations of time-domain"> electromagnetic theory evolutionary equations of time-domain</a>, <a href="https://publications.waset.org/abstracts/search?q=TM%20Field" title=" TM Field"> TM Field</a> </p> <a href="https://publications.waset.org/abstracts/44904/analysis-and-simulation-of-tm-fields-in-waveguides-with-arbitrary-cross-section-shapes-by-means-of-evolutionary-equations-of-time-domain-electromagnetic-theory" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/44904.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">500</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">5138</span> Fast-Forward Problem in Asymmetric Double-Well Potential</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Iwan%20Setiawan">Iwan Setiawan</a>, <a href="https://publications.waset.org/abstracts/search?q=Bobby%20Eka%20Gunara"> Bobby Eka Gunara</a>, <a href="https://publications.waset.org/abstracts/search?q=Katshuhiro%20Nakamura"> Katshuhiro Nakamura</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The theory to accelerate system on quantum dynamics has been constructed to get the desired wave function on shorter time. This theory is developed on adiabatic quantum dynamics which any regulation is done on wave function that satisfies Schrödinger equation. We show accelerated manipulation of WFs with the use of a parameter-dependent in asymmetric double-well potential and also when it’s influenced by electromagnetic fields. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=driving%20potential" title="driving potential">driving potential</a>, <a href="https://publications.waset.org/abstracts/search?q=Adiabatic%20Quantum%20Dynamics" title=" Adiabatic Quantum Dynamics"> Adiabatic Quantum Dynamics</a>, <a href="https://publications.waset.org/abstracts/search?q=regulation" title=" regulation"> regulation</a>, <a href="https://publications.waset.org/abstracts/search?q=electromagnetic%20field" title=" electromagnetic field"> electromagnetic field</a> </p> <a href="https://publications.waset.org/abstracts/46220/fast-forward-problem-in-asymmetric-double-well-potential" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/46220.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">338</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">5137</span> On the Quantum Behavior of Nanoparticles: Quantum Theory and Nano-Pharmacology</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kurudzirayi%20Robson%20Musikavanhu">Kurudzirayi Robson Musikavanhu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Nanophase particles exhibit quantum behavior by virtue of their small size, being particles of gamma to x-ray wavelength [atomic range]. Such particles exhibit high frequencies, high energy/photon, high penetration power, high ionization power [atomic behavior] and are stable at low energy levels as opposed to bulk phase matter [macro particles] which exhibit higher wavelength [radio wave end] properties, hence lower frequency, lower energy/photon, lower penetration power, lower ionizing power and are less stable at low temperatures. The ‘unique’ behavioral motion of Nano systems will remain a mystery as long as quantum theory remains a mystery, and for pharmacology, pharmacovigilance profiling of Nano systems becomes virtually impossible. Quantum theory is the 4 – 3 – 5 electromagnetic law of life and life motion systems on planet earth. Electromagnetic [wave-particle] properties of all particulate matter changes as mass [bulkiness] changes from one phase to the next [Nano-phase to micro-phase to milli-phase to meter-phase to kilometer phase etc.] and the subsequent electromagnetic effect of one phase particle on bulk matter [different phase] changes from one phase to another. All matter exhibit electromagnetic properties [wave-particle duality] in behavior and the lower the wavelength [and the lesser the bulkiness] the higher the gamma ray end properties exhibited and the higher the wavelength [and the greater the bulkiness], the more the radio-wave end properties are exhibited. Quantum theory is the 4 [moon] – 3[sun] – [earth] 5 law of the Electromagnetic spectrum [solar system]. 4 + 3 = 7; 4 + 3 + 5 = 12; 4 * 3 * 5 = 60; 42 + 32 = 52; 43 + 33 + 53 = 63. Quantum age is overdue. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=electromagnetic%20solar%20system" title="electromagnetic solar system">electromagnetic solar system</a>, <a href="https://publications.waset.org/abstracts/search?q=nano-material" title=" nano-material"> nano-material</a>, <a href="https://publications.waset.org/abstracts/search?q=nano%20pharmacology" title=" nano pharmacology"> nano pharmacology</a>, <a href="https://publications.waset.org/abstracts/search?q=pharmacovigilance" title=" pharmacovigilance"> pharmacovigilance</a>, <a href="https://publications.waset.org/abstracts/search?q=quantum%20theory" title=" quantum theory"> quantum theory</a> </p> <a href="https://publications.waset.org/abstracts/43516/on-the-quantum-behavior-of-nanoparticles-quantum-theory-and-nano-pharmacology" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/43516.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">450</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">5136</span> Electromagnetic Tuned Mass Damper Approach for Regenerative Suspension</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=S.%20Kopylov">S. Kopylov</a>, <a href="https://publications.waset.org/abstracts/search?q=C.%20Z.%20Bo"> C. Z. Bo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study is aimed at exploring the possibility of energy recovery through the suppression of vibrations. The article describes design of electromagnetic dynamic damper. The magnetic part of the device performs the function of a tuned mass damper, thereby providing both energy regeneration and damping properties to the protected mass. According to the theory of tuned mass damper, equations of mathematical models were obtained. Then, under given properties of current system, amplitude frequency response was investigated. Therefore, main ideas and methods for further research were defined. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=electromagnetic%20damper" title="electromagnetic damper">electromagnetic damper</a>, <a href="https://publications.waset.org/abstracts/search?q=oscillations%20with%20two%20degrees%20of%20freedom" title=" oscillations with two degrees of freedom"> oscillations with two degrees of freedom</a>, <a href="https://publications.waset.org/abstracts/search?q=regeneration%20systems" title=" regeneration systems"> regeneration systems</a>, <a href="https://publications.waset.org/abstracts/search?q=tuned%20mass%20damper" title=" tuned mass damper"> tuned mass damper</a> </p> <a href="https://publications.waset.org/abstracts/81403/electromagnetic-tuned-mass-damper-approach-for-regenerative-suspension" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/81403.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">207</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">5135</span> Time-Dependent Density Functional Theory of an Oscillating Electron Density around a Nanoparticle</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nilay%20K.%20Doshi">Nilay K. Doshi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A theoretical probe describing the excited energy states of the electron density surrounding a nanoparticle (NP) is presented. An electromagnetic (EM) wave interacts with a NP much smaller than the incident wavelength. The plasmon that oscillates locally around the NP comprises of excited conduction electrons. The system is based on the Jellium model of a cluster of metal atoms. Hohenberg-Kohn (HK) equations and the variational Kohn-Sham (SK) scheme have been used to obtain the NP electron density in the ground state. Furthermore, a time-dependent density functional (TDDFT) theory is used to treat the excited states in a density functional theory (DFT) framework. The non-interacting fermionic kinetic energy is shown to be a functional of the electron density. The time dependent potential is written as the sum of the nucleic potential and the incoming EM field. This view of the quantum oscillation of the electron density is a part of the localized surface plasmon resonance. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=electron%20density" title="electron density">electron density</a>, <a href="https://publications.waset.org/abstracts/search?q=energy" title=" energy"> energy</a>, <a href="https://publications.waset.org/abstracts/search?q=electromagnetic" title=" electromagnetic"> electromagnetic</a>, <a href="https://publications.waset.org/abstracts/search?q=DFT" title=" DFT"> DFT</a>, <a href="https://publications.waset.org/abstracts/search?q=TDDFT" title=" TDDFT"> TDDFT</a>, <a href="https://publications.waset.org/abstracts/search?q=plasmon" title=" plasmon"> plasmon</a>, <a href="https://publications.waset.org/abstracts/search?q=resonance" title=" resonance"> resonance</a> </p> <a href="https://publications.waset.org/abstracts/39255/time-dependent-density-functional-theory-of-an-oscillating-electron-density-around-a-nanoparticle" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/39255.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">330</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">5134</span> Electromagnetic Interference Shielding Characteristics for Stainless Wire Mesh and Number of Plies of Carbon Fiber Reinforced Plastic</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Min%20Sang%20Lee">Min Sang Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Hee%20Jae%20Shin"> Hee Jae Shin</a>, <a href="https://publications.waset.org/abstracts/search?q=In%20Pyo%20Cha"> In Pyo Cha</a>, <a href="https://publications.waset.org/abstracts/search?q=Hyun%20Kyung%20Yoon"> Hyun Kyung Yoon</a>, <a href="https://publications.waset.org/abstracts/search?q=Seong%20Woo%20Hong"> Seong Woo Hong</a>, <a href="https://publications.waset.org/abstracts/search?q=Min%20Jae%20Yu"> Min Jae Yu</a>, <a href="https://publications.waset.org/abstracts/search?q=Hong%20Gun%20Kim"> Hong Gun Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Lee%20Ku%20Kwac"> Lee Ku Kwac</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, the electromagnetic shielding characteristics of an up-to-date typical carbon filler material, carbon fiber used with a metal mesh were investigated. Carbon fiber 12k-prepregs, where carbon fibers were impregnated with epoxy, were laminated with wire meshes, vacuum bag-molded and hardened to manufacture hybrid-type specimens, with which an electromagnetic shield test was performed in accordance with ASTM D4935-10, through which was known as the most excellent reproducibility is obtainable among electromagnetic shield tests. In addition, glass fiber prepress whose electromagnetic shielding effect were known as insignificant were laminated and formed with wire meshes to verify the validity of the electromagnetic shield effect of wire meshes in order to confirm the electromagnetic shielding effect of metal meshes corresponding existing carbon fiber 12k-prepregs. By grafting carbon fibers, on which studies are being actively underway in the environmental aspects and electromagnetic shielding effect, with hybrid-type wire meshes that were analyzed through the tests, in this study, the applicability and possibility are proposed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Carbon%20Fiber%20Reinforced%20Plastic%28CFRP%29" title="Carbon Fiber Reinforced Plastic(CFRP)">Carbon Fiber Reinforced Plastic(CFRP)</a>, <a href="https://publications.waset.org/abstracts/search?q=Glass%20Fiber%20Reinforced%20Plastic%28GFRP%29" title=" Glass Fiber Reinforced Plastic(GFRP)"> Glass Fiber Reinforced Plastic(GFRP)</a>, <a href="https://publications.waset.org/abstracts/search?q=stainless%20wire%20mesh" title=" stainless wire mesh"> stainless wire mesh</a>, <a href="https://publications.waset.org/abstracts/search?q=electromagnetic%20shielding" title=" electromagnetic shielding"> electromagnetic shielding</a> </p> <a href="https://publications.waset.org/abstracts/20071/electromagnetic-interference-shielding-characteristics-for-stainless-wire-mesh-and-number-of-plies-of-carbon-fiber-reinforced-plastic" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/20071.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">415</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">5133</span> Electromagnetic Radiation Absorbers on the Basis of Fibrous Materials with the Content of Allotropic Carbon Forms</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Elena%20S.%20%20Belousova">Elena S. Belousova</a>, <a href="https://publications.waset.org/abstracts/search?q=Olga%20V.%20Boiprav"> Olga V. Boiprav</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A technique for incorporating particles of allotropic forms of carbon into a fibrous material has been developed. It can be used for the manufacture of composite electromagnetic radiation absorbers. The frequency characteristics of electromagnetic radiation reflection and transmission coefficients in the microwave range of absorbers on the basis of powdered carbon black, activated carbon, shungite, graphite, manufactured in accordance with the developed technique, have been studied. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=carbon" title="carbon">carbon</a>, <a href="https://publications.waset.org/abstracts/search?q=graphite" title=" graphite"> graphite</a>, <a href="https://publications.waset.org/abstracts/search?q=electromagnetic%20radiation%20absorber" title=" electromagnetic radiation absorber"> electromagnetic radiation absorber</a>, <a href="https://publications.waset.org/abstracts/search?q=shungite" title=" shungite"> shungite</a> </p> <a href="https://publications.waset.org/abstracts/121253/electromagnetic-radiation-absorbers-on-the-basis-of-fibrous-materials-with-the-content-of-allotropic-carbon-forms" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/121253.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">163</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">5132</span> Effect of Electromagnetic Field on Capacitive Deionization Performance</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Alibi%20Kilybay">Alibi Kilybay</a>, <a href="https://publications.waset.org/abstracts/search?q=Emad%20Alhseinat"> Emad Alhseinat</a>, <a href="https://publications.waset.org/abstracts/search?q=Ibrahim%20Mustafa"> Ibrahim Mustafa</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdulfahim%20Arangadi"> Abdulfahim Arangadi</a>, <a href="https://publications.waset.org/abstracts/search?q=Pei%20Shui"> Pei Shui</a>, <a href="https://publications.waset.org/abstracts/search?q=Faisal%20Almarzooqi"> Faisal Almarzooqi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this work, the electromagnetic field has been used for improving the performance of the capacitive deionization process. The effect of electromagnetic fields on the efficiency of the capacitive deionization (CDI) process was investigated experimentally. The results showed that treating the feed stream of the CDI process using an electromagnetic field can enhance the electrosorption capacity from 20% up to 70%. The effect of the degree of time of exposure, concentration, and type of ions have been examined. The electromagnetic field enhanced the salt adsorption capacity (SAC) of the Ca²⁺ ions by 70%, while the SAC enhanced 20% to the Na⁺ ions. It is hypnotized that the electrometric field affects the hydration shell around the ions and thus reduces their effective size and enhances the mass transfer. This reduction in ion effective size and increase in mass transfer enhanced the electrosorption capacity and kinetics of the CDI process. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=capacitive%20deionization" title="capacitive deionization">capacitive deionization</a>, <a href="https://publications.waset.org/abstracts/search?q=desalination" title=" desalination"> desalination</a>, <a href="https://publications.waset.org/abstracts/search?q=electromagnetic%20treatment" title=" electromagnetic treatment"> electromagnetic treatment</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20treatment" title=" water treatment"> water treatment</a> </p> <a href="https://publications.waset.org/abstracts/134804/effect-of-electromagnetic-field-on-capacitive-deionization-performance" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/134804.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">264</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">5131</span> Electromagnetic Simulation of Underground Cable Perforation by Nail </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Nour%20El%20Islam%20Ayad">Ahmed Nour El Islam Ayad</a>, <a href="https://publications.waset.org/abstracts/search?q=Tahar%20Rouibah"> Tahar Rouibah</a>, <a href="https://publications.waset.org/abstracts/search?q=Wafa%20Krika"> Wafa Krika</a>, <a href="https://publications.waset.org/abstracts/search?q=Houari%20Boudjella"> Houari Boudjella</a>, <a href="https://publications.waset.org/abstracts/search?q=Larab%20Moulay"> Larab Moulay</a>, <a href="https://publications.waset.org/abstracts/search?q=Farid%20Benhamida"> Farid Benhamida</a>, <a href="https://publications.waset.org/abstracts/search?q=Selma%20Benmoussa"> Selma Benmoussa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The purpose of this study is to evaluate the electromagnetic field of an underground cable of very high voltage perforated by nail. The aim of this work shows a numerical simulation of the electromagnetic field of 400 kV line after perforation through a ferrous nail in four positions for the pinch pin at different distances. From results for a longitudinal section, we observe and evaluate the distribution and the variation of the electromagnetic field in the cable and the earth. When the nail approaches the underground power cable, the distribution of the magnetic field changes and takes several forms, the magnetic field increase and become very important when the nail breaks the metal screen and will produce a significant leak of the electric field, characterized by a large electric arc and or electric discharge to earth and then a fault in the electrical network. These electromagnetic analysis results help to detect defects in underground cables. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=underground" title="underground">underground</a>, <a href="https://publications.waset.org/abstracts/search?q=electromagnetic" title=" electromagnetic"> electromagnetic</a>, <a href="https://publications.waset.org/abstracts/search?q=nail" title=" nail"> nail</a>, <a href="https://publications.waset.org/abstracts/search?q=defect" title=" defect"> defect</a> </p> <a href="https://publications.waset.org/abstracts/114023/electromagnetic-simulation-of-underground-cable-perforation-by-nail" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/114023.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">231</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">5130</span> Enhancement Effect of Electromagnetic Field on Separation of Edible Oil from Oil-Water Emulsion</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Olfat%20A.%20Fadali">Olfat A. Fadali</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20S.%20Mahmoud"> Mohamed S. Mahmoud</a>, <a href="https://publications.waset.org/abstracts/search?q=Omnia%20H.%20Abdelraheem"> Omnia H. Abdelraheem</a>, <a href="https://publications.waset.org/abstracts/search?q=Shimaa%20G.%20Mohammed"> Shimaa G. Mohammed </a> </p> <p class="card-text"><strong>Abstract:</strong></p> The effect of electromagnetic field (EMF) on the removal of edible oil from oil-in-water emulsion by means of electrocoagulation was investigated in rectangular batch electrochemical cell with DC current. Iron (Fe) plate anodes and stainless steel cathodes were employed as electrodes. The effect of different magnetic field intensities (1.9, 3.9 and 5.2 tesla), three different positions of EMF (below, perpendicular and parallel to the electrocoagulation cell), as well as operating time; had been investigated. The application of electromagnetic field (5.2 tesla) raises percentage of oil removal from 72.4% for traditional electrocoagulation to 90.8% after 20 min. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=electrocoagulation" title="electrocoagulation">electrocoagulation</a>, <a href="https://publications.waset.org/abstracts/search?q=electromagnetic%20field" title=" electromagnetic field"> electromagnetic field</a>, <a href="https://publications.waset.org/abstracts/search?q=Oil-water%20emulsion" title=" Oil-water emulsion"> Oil-water emulsion</a>, <a href="https://publications.waset.org/abstracts/search?q=edible%20oil" title=" edible oil"> edible oil</a> </p> <a href="https://publications.waset.org/abstracts/19283/enhancement-effect-of-electromagnetic-field-on-separation-of-edible-oil-from-oil-water-emulsion" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/19283.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">5129</span> Characterization of Complex Electromagnetic Environment Created by Multiple Sources of Electromagnetic Radiation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Clement%20Temaneh-Nyah">Clement Temaneh-Nyah</a>, <a href="https://publications.waset.org/abstracts/search?q=Josiah%20Makiche"> Josiah Makiche</a>, <a href="https://publications.waset.org/abstracts/search?q=Josephine%20Nujoma"> Josephine Nujoma</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper considers the characterisation of a complex electromagnetic environment due to multiple sources of electromagnetic radiation as a five-dimensional surface which can be described by a set of several surface sections including: instant EM field intensity distribution maps at a given frequency and altitude, instantaneous spectrum at a given location in space and the time evolution of the electromagnetic field spectrum at a given point in space. This characterization if done over time can enable the exposure levels of Radio Frequency Radiation at every point in the analysis area to be determined and results interpreted based on comparison of the determined RFR exposure level with the safe guidelines for general public exposure given by recognised body such as the International commission on non-ionising radiation protection (ICNIRP), Institute of Electrical and Electronic Engineers (IEEE), the National Radiation Protection Authority (NRPA). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=complex%20electromagnetic%20environment" title="complex electromagnetic environment">complex electromagnetic environment</a>, <a href="https://publications.waset.org/abstracts/search?q=electric%20field%20strength" title=" electric field strength"> electric field strength</a>, <a href="https://publications.waset.org/abstracts/search?q=mathematical%20models" title=" mathematical models"> mathematical models</a>, <a href="https://publications.waset.org/abstracts/search?q=multiple%20sources" title=" multiple sources"> multiple sources</a> </p> <a href="https://publications.waset.org/abstracts/16672/characterization-of-complex-electromagnetic-environment-created-by-multiple-sources-of-electromagnetic-radiation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/16672.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">5128</span> Soil Salinity Mapping using Electromagnetic Induction Measurements</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fethi%20Bouksila">Fethi Bouksila</a>, <a href="https://publications.waset.org/abstracts/search?q=Nessrine%20Zemni"> Nessrine Zemni</a>, <a href="https://publications.waset.org/abstracts/search?q=Fairouz%20Slama"> Fairouz Slama</a>, <a href="https://publications.waset.org/abstracts/search?q=Magnus%20Persson"> Magnus Persson</a>, <a href="https://publications.waset.org/abstracts/search?q=Ronny%20%20Berndasson"> Ronny Berndasson</a>, <a href="https://publications.waset.org/abstracts/search?q=Akissa%20Bahri"> Akissa Bahri</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Electromagnetic sensor EM 38 was used to predict and map soil salinity (ECe) in arid oasis. Despite the high spatial variation of soil moisture and shallow watertable, significant ECe-EM relationships were developed. The low drainage network efficiency is the main factor of soil salinization <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=soil%20salinity%20map" title="soil salinity map">soil salinity map</a>, <a href="https://publications.waset.org/abstracts/search?q=electromagnetic%20induction" title="electromagnetic induction">electromagnetic induction</a>, <a href="https://publications.waset.org/abstracts/search?q=EM38" title=" EM38"> EM38</a>, <a href="https://publications.waset.org/abstracts/search?q=oasis" title=" oasis"> oasis</a>, <a href="https://publications.waset.org/abstracts/search?q=shallow%20watertable" title=" shallow watertable"> shallow watertable</a> </p> <a href="https://publications.waset.org/abstracts/146153/soil-salinity-mapping-using-electromagnetic-induction-measurements" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/146153.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">187</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">5127</span> Mathematical Modeling of the Operating Process and a Method to Determine the Design Parameters in an Electromagnetic Hammer Using Solenoid Electromagnets</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Song%20Hyok%20Choe">Song Hyok Choe</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study presented a method to determine the optimum design parameters based on a mathematical model of the operating process in a manual electromagnetic hammer using solenoid electromagnets. The operating process of the electromagnetic hammer depends on the circuit scheme of the power controller. Mathematical modeling of the operating process was carried out by considering the energy transfer process in the forward and reverse windings and the electromagnetic force acting on the impact and brake pistons. Using the developed mathematical model, the initial design data of a manual electromagnetic hammer proposed in this paper are encoded and analyzed in Matlab. On the other hand, a measuring experiment was carried out by using a measurement device to check the accuracy of the developed mathematical model. The relative errors of the analytical results for measured stroke distance of the impact piston, peak value of forward stroke current and peak value of reverse stroke current were −4.65%, 9.08% and 9.35%, respectively. Finally, it was shown that the mathematical model of the operating process of an electromagnetic hammer is relatively accurate, and it can be used to determine the design parameters of the electromagnetic hammer. Therefore, the design parameters that can provide the required impact energy in the manual electromagnetic hammer were determined using a mathematical model developed. The proposed method will be used for the further design and development of the various types of percussion rock drills. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=solenoid%20electromagnet" title="solenoid electromagnet">solenoid electromagnet</a>, <a href="https://publications.waset.org/abstracts/search?q=electromagnetic%20hammer" title=" electromagnetic hammer"> electromagnetic hammer</a>, <a href="https://publications.waset.org/abstracts/search?q=stone%20processing" title=" stone processing"> stone processing</a>, <a href="https://publications.waset.org/abstracts/search?q=mathematical%20modeling" title=" mathematical modeling"> mathematical modeling</a> </p> <a href="https://publications.waset.org/abstracts/187061/mathematical-modeling-of-the-operating-process-and-a-method-to-determine-the-design-parameters-in-an-electromagnetic-hammer-using-solenoid-electromagnets" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/187061.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">45</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">5126</span> A Fast Algorithm for Electromagnetic Compatibility Estimation for Radio Communication Network Equipment in a Complex Electromagnetic Environment</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=C.%20Temaneh-Nyah">C. Temaneh-Nyah </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Electromagnetic compatibility (EMC) is the ability of a Radio Communication Equipment (RCE) to operate with a desired quality of service in a given Electromagnetic Environment (EME) and not to create harmful interference with other RCE. This paper presents an algorithm which improves the simulation speed of estimating EMC of RCE in a complex EME, based on a stage by stage frequency-energy criterion of filtering. This algorithm considers different interference types including: Blocking and intermodulation. It consist of the following steps: simplified energy criterion where filtration is based on comparing the free space interference level to the industrial noise, frequency criterion which checks whether the interfering emissions characteristic overlap with the receiver’s channels characteristic and lastly the detailed energy criterion where the real channel interference level is compared to the noise level. In each of these stages, some interference cases are filtered out by the relevant criteria. This reduces the total number of dual and different combinations of RCE involved in the tedious detailed energy analysis and thus provides an improved simulation speed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=electromagnetic%20compatibility" title="electromagnetic compatibility">electromagnetic compatibility</a>, <a href="https://publications.waset.org/abstracts/search?q=electromagnetic%20environment" title=" electromagnetic environment"> electromagnetic environment</a>, <a href="https://publications.waset.org/abstracts/search?q=simulation%20of%20communication%20network" title=" simulation of communication network"> simulation of communication network</a> </p> <a href="https://publications.waset.org/abstracts/1966/a-fast-algorithm-for-electromagnetic-compatibility-estimation-for-radio-communication-network-equipment-in-a-complex-electromagnetic-environment" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/1966.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">218</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">5125</span> Design of Process Parameters in Electromagnetic Forming Apparatus by FEM</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hyeong-Gyu%20Park">Hyeong-Gyu Park</a>, <a href="https://publications.waset.org/abstracts/search?q=Hak-Gon%20Noh"> Hak-Gon Noh</a>, <a href="https://publications.waset.org/abstracts/search?q=Beom-Soo%20Kang"> Beom-Soo Kang</a>, <a href="https://publications.waset.org/abstracts/search?q=Jeong%20Kim"> Jeong Kim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Electromagnetic forming (EMF) process is one of a high-speed forming process, which uses an electromagnetic body (Lorentz) force to deform work-piece. Advantages of EMF are summarized as improvement of formability, reduction in wrinkling, non-contact forming. In this study, the spiral coil is considered to evaluate formability in terms of pressure distribution of the forming process. It also is represented forming results of numerical analysis using ANSYS code. In the numerical simulation, RLC circuit coupled with spiral coil was made to consider the design parameters such as system input current and electromagnetic force. The simulation results show that even though input peak currents level are same level in each case, forming condition is certainly different because of frequency of input current and magnitude of current density and magnetic flux density. Finally, the simulation results appear that electromagnetic forming force apparently affected by input current frequency which determines magnitude of current density and magnetic flux density. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=electromagnetic%20forming" title="electromagnetic forming">electromagnetic forming</a>, <a href="https://publications.waset.org/abstracts/search?q=high-speed%20forming" title=" high-speed forming"> high-speed forming</a>, <a href="https://publications.waset.org/abstracts/search?q=RLC%20circuit" title=" RLC circuit"> RLC circuit</a>, <a href="https://publications.waset.org/abstracts/search?q=Lorentz%20force" title=" Lorentz force"> Lorentz force</a> </p> <a href="https://publications.waset.org/abstracts/7042/design-of-process-parameters-in-electromagnetic-forming-apparatus-by-fem" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/7042.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">455</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">5124</span> Application of MoM-GEC Method for Electromagnetic Study of Planar Microwave Structures: Shielding Application</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Nouainia">Ahmed Nouainia</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20Hajji"> Mohamed Hajji</a>, <a href="https://publications.waset.org/abstracts/search?q=Taoufik%20Aguili"> Taoufik Aguili</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, an electromagnetic analysis is presented for describing the influence of shielding in a rectangular waveguide. A hybridization based on the method of moments combined to the generalized equivalent circuit MoM-GEC is used to model the problem. This is validated by applying the MoM-GEC hybridization to investigate a diffraction structure. It consists of electromagnetic diffraction by an iris in a rectangular waveguide. Numerical results are shown and discussed and a comparison with FEM and Marcuvitz methods is achieved. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=method%20MoM-GEC" title="method MoM-GEC">method MoM-GEC</a>, <a href="https://publications.waset.org/abstracts/search?q=waveguide" title=" waveguide"> waveguide</a>, <a href="https://publications.waset.org/abstracts/search?q=shielding" title=" shielding"> shielding</a>, <a href="https://publications.waset.org/abstracts/search?q=equivalent%20circuit" title=" equivalent circuit"> equivalent circuit</a> </p> <a href="https://publications.waset.org/abstracts/62267/application-of-mom-gec-method-for-electromagnetic-study-of-planar-microwave-structures-shielding-application" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/62267.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">373</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">5123</span> Investigating the Invalidity of the Law of Energy Conservation Based on Waves Interference Phenomenon Inside a Ringed Waveguide</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20Yusefzad">M. Yusefzad</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Law of energy conservation is one of the fundamental laws of physics. Energy is conserved, and the total amount of energy is constant. It can be transferred from one object to another and changed from one state to another. However, in the case of wave interference, this law faces important contradictions. Based on the presented mathematical relationship in this paper, it seems that validity of this law depends on the path of energy wave, like light, in which it is located. In this paper, by using some fundamental concepts in physics like the constancy of the electromagnetic wave speed in a specific media and wave theory of light, it will be shown that law of energy conservation is not valid in every condition and in some circumstances, it is possible to increase energy of a system with a determined amount of energy without any input. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=power" title="power">power</a>, <a href="https://publications.waset.org/abstracts/search?q=law%20of%20energy%20conservation" title=" law of energy conservation"> law of energy conservation</a>, <a href="https://publications.waset.org/abstracts/search?q=electromagnetic%20wave" title=" electromagnetic wave"> electromagnetic wave</a>, <a href="https://publications.waset.org/abstracts/search?q=interference" title=" interference"> interference</a>, <a href="https://publications.waset.org/abstracts/search?q=Maxwell%E2%80%99s%20equations" title=" Maxwell’s equations"> Maxwell’s equations</a> </p> <a href="https://publications.waset.org/abstracts/88981/investigating-the-invalidity-of-the-law-of-energy-conservation-based-on-waves-interference-phenomenon-inside-a-ringed-waveguide" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/88981.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">264</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">5122</span> Continuous Dyeing of Graphene and Polyaniline on Textiles for Electromagnetic Interference Shielding: An Application of Intelligent Fabrics</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mourad%20%20Makhlouf">Mourad Makhlouf</a>, <a href="https://publications.waset.org/abstracts/search?q=Meriem%20Boutamine"> Meriem Boutamine</a>, <a href="https://publications.waset.org/abstracts/search?q=Hachemi%20Hichem"> Hachemi Hichem</a>, <a href="https://publications.waset.org/abstracts/search?q=Zoubir%20Benmaamar"> Zoubir Benmaamar</a>, <a href="https://publications.waset.org/abstracts/search?q=Didier%20Villemin"> Didier Villemin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study explores the use of intelligent textiles for electromagnetic shielding through the continuous dyeing of graphene and polyaniline onto cotton fabric. Graphene was obtained by recycling graphite from spent batteries, and polyaniline was obtained in situ using H2O2. Graphene and polyaniline were bottom-modified on the fiber surface to improve adhesion and achieve a uniform distribution. This study evaluated the effect of the specific gravity percentage on sheet performance and active shielding against electromagnetic interference (EMI). Results showed that the dyed fabrics of graphene, polyaniline, and graphene/polyaniline demonstrated higher conductivity and EMI SE values of 9 to 16 dB in the 8 to 9 GHz range of the X-band, with potential applications in electromagnetic shielding. The use of intelligent textiles offers a sustainable and effective approach to achieving EMI shielding, with the added benefits of recycling waste materials and improving the properties of cotton fabrics. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=%27ntelligent%20textiles" title="'ntelligent textiles">'ntelligent textiles</a>, <a href="https://publications.waset.org/abstracts/search?q=graphene" title=" graphene"> graphene</a>, <a href="https://publications.waset.org/abstracts/search?q=polyaniline" title=" polyaniline"> polyaniline</a>, <a href="https://publications.waset.org/abstracts/search?q=electromagnetic%20shielding" title=" electromagnetic shielding"> electromagnetic shielding</a>, <a href="https://publications.waset.org/abstracts/search?q=conductivity" title=" conductivity"> conductivity</a>, <a href="https://publications.waset.org/abstracts/search?q=recycling." title=" recycling."> recycling.</a> </p> <a href="https://publications.waset.org/abstracts/190791/continuous-dyeing-of-graphene-and-polyaniline-on-textiles-for-electromagnetic-interference-shielding-an-application-of-intelligent-fabrics" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/190791.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">38</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">5121</span> Improvement of the Calciferous Minerals Floatability through the Application of High-Power Electromagnetic Pulses</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Valentine%20A.%20Chanturiya">Valentine A. Chanturiya</a>, <a href="https://publications.waset.org/abstracts/search?q=Igor%20Zh.%20Bunin"> Igor Zh. Bunin</a>, <a href="https://publications.waset.org/abstracts/search?q=Maria%20V.%20Ryazantseva"> Maria V. Ryazantseva</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The modification of structural and chemical properties of fluorite, scheelite and calcite under the impact of high-power electromagnetic pulses (HPEMP-treatment) were studied with the help of adsorption of acid-base indicators and atomic – force microscopy (AFM). The HPEMP-treatment during the space of 30 seconds resulted in the intensification of fluorite surface the electron-donating ability and acceptor properties of calcite and scheelite surfaces. High-power electromagnetic treatment of the single minerals resulted in the improvement of the calciferous minerals floatability. The rising of the scheelite recovery is 10 – 12%, fluorite – 5 – 6%, calcite – 7 – 8%. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=calcite" title="calcite">calcite</a>, <a href="https://publications.waset.org/abstracts/search?q=fluorite" title=" fluorite"> fluorite</a>, <a href="https://publications.waset.org/abstracts/search?q=scheelite" title=" scheelite"> scheelite</a>, <a href="https://publications.waset.org/abstracts/search?q=high%20power%20electromagnetic%20pulses" title=" high power electromagnetic pulses"> high power electromagnetic pulses</a>, <a href="https://publications.waset.org/abstracts/search?q=floatability" title=" floatability"> floatability</a> </p> <a href="https://publications.waset.org/abstracts/64752/improvement-of-the-calciferous-minerals-floatability-through-the-application-of-high-power-electromagnetic-pulses" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/64752.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">288</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">5120</span> Absorption of Ultrashort Electromagnetic Pulses on Gold Nanospheres in Various Dielectric Media</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sergey%20Svita">Sergey Svita</a>, <a href="https://publications.waset.org/abstracts/search?q=Valeriy%20Astapenko"> Valeriy Astapenko</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The study is devoted to theoretical analysis of ultrashort electromagnetic pulses (USP) absorption on gold nanospheres. Dependencies of USP energy absorption on nanospheres placed in various matrix are compared. The results of calculation of absorbed energy on gold nanospheres as a function of ultrashort electromagnetic pulse carrier frequency and number of pulse cycles of carrier frequency show strong non-linear dependence of absorbed energy on number of cycles of carrier frequency, but for relatively large number of cycles on USP carrier frequency it goes to linear dependence. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ultrashort%20electromagnetic%20pulses" title="ultrashort electromagnetic pulses">ultrashort electromagnetic pulses</a>, <a href="https://publications.waset.org/abstracts/search?q=absorption" title=" absorption"> absorption</a>, <a href="https://publications.waset.org/abstracts/search?q=nanospheres" title=" nanospheres"> nanospheres</a>, <a href="https://publications.waset.org/abstracts/search?q=theoretical%20research" title=" theoretical research"> theoretical research</a> </p> <a href="https://publications.waset.org/abstracts/53141/absorption-of-ultrashort-electromagnetic-pulses-on-gold-nanospheres-in-various-dielectric-media" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/53141.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">256</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">5119</span> Tamper Resistance Evaluation Tests with Noise Resources</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Masaya%20Yoshikawa">Masaya Yoshikawa</a>, <a href="https://publications.waset.org/abstracts/search?q=Toshiya%20Asai"> Toshiya Asai</a>, <a href="https://publications.waset.org/abstracts/search?q=Ryoma%20Matsuhisa"> Ryoma Matsuhisa</a>, <a href="https://publications.waset.org/abstracts/search?q=Yusuke%20Nozaki"> Yusuke Nozaki</a>, <a href="https://publications.waset.org/abstracts/search?q=Kensaku%20Asahi"> Kensaku Asahi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Recently, side-channel attacks, which estimate secret keys using side-channel information such as power consumption and compromising emanations of cryptography circuits embedded in hardware, have become a serious problem. In particular, electromagnetic analysis attacks against cryptographic circuits between information processing and electromagnetic fields, which are related to secret keys in cryptography circuits, are the most threatening side-channel attacks. Therefore, it is important to evaluate tamper resistance against electromagnetic analysis attacks for cryptography circuits. The present study performs basic examination of the tamper resistance of cryptography circuits using electromagnetic analysis attacks with noise resources. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=tamper%20resistance" title="tamper resistance">tamper resistance</a>, <a href="https://publications.waset.org/abstracts/search?q=cryptographic%20circuit" title=" cryptographic circuit"> cryptographic circuit</a>, <a href="https://publications.waset.org/abstracts/search?q=hardware%20security%20evaluation" title=" hardware security evaluation"> hardware security evaluation</a>, <a href="https://publications.waset.org/abstracts/search?q=noise%20resources" title=" noise resources "> noise resources </a> </p> <a href="https://publications.waset.org/abstracts/25852/tamper-resistance-evaluation-tests-with-noise-resources" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/25852.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">504</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">5118</span> The Regulation on Human Exposure to Electromagnetic Fields for Brazilian Power System</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hugo%20Manoel%20Olivera%20Da%20Silva">Hugo Manoel Olivera Da Silva</a>, <a href="https://publications.waset.org/abstracts/search?q=Ricardo%20Silva%20Th%C3%A9%20Pontes"> Ricardo Silva Thé Pontes</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this work, is presented an analysis of the Brazilian regulation on human exposure to electromagnetic fields, which provides limits to electric fields, magnetic and electromagnetic fields. The regulations for the electricity sector was in charge of the Agência Nacional de Energia Elétrica-ANEEL, the Brazilian Electricity Regulatory Agency, that made it through the Normative Resolution Nº 398/2010, resulting in a series of obligations for the agents of the electricity sector, especially in the areas of generation, transmission, and distribution. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=adverse%20effects" title="adverse effects">adverse effects</a>, <a href="https://publications.waset.org/abstracts/search?q=electric%20energy" title=" electric energy"> electric energy</a>, <a href="https://publications.waset.org/abstracts/search?q=electric%20and%20magnetic%20fields" title=" electric and magnetic fields"> electric and magnetic fields</a>, <a href="https://publications.waset.org/abstracts/search?q=human%20health" title=" human health"> human health</a>, <a href="https://publications.waset.org/abstracts/search?q=regulation" title=" regulation"> regulation</a> </p> <a href="https://publications.waset.org/abstracts/21066/the-regulation-on-human-exposure-to-electromagnetic-fields-for-brazilian-power-system" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/21066.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">607</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">5117</span> A Novel Method For Non-Invasive Diagnosis Of Hepatitis C Virus Using Electromagnetic Signal Detection: A Multicenter International Study </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gamal%20Shiha">Gamal Shiha</a>, <a href="https://publications.waset.org/abstracts/search?q=Waleed%20Samir"> Waleed Samir</a>, <a href="https://publications.waset.org/abstracts/search?q=Zahid%20Azam"> Zahid Azam</a>, <a href="https://publications.waset.org/abstracts/search?q=Premashis%20Kar"> Premashis Kar</a>, <a href="https://publications.waset.org/abstracts/search?q=Saeed%20Hamid"> Saeed Hamid</a>, <a href="https://publications.waset.org/abstracts/search?q=Shiv%20Sarin"> Shiv Sarin </a> </p> <p class="card-text"><strong>Abstract:</strong></p> A simple, rapid and non-invasive electromagnetic sensor (C-FAST device) was- patented; for diagnosis of HCV RNA. Aim: To test the validity of the device compared to standard HCV PCR. Subjects and Methods: The first phase was done as pilot in Egypt on 79 participants; the second phase was done in five centers: one center from Egypt, two centers from Pakistan and two centers from India (800, 92 and 113 subjects respectively). The third phase was done nationally as multicenter study on (1600) participants for ensuring its representativeness. Results: When compared to PCR technique, C-FAST device revealed sensitivity 95% to 100%, specificity 95.5% to 100%, PPV 89.5% to 100%, NPV 95% to 100% and positive likelihood ratios 21.8% to 38.5%. Conclusion: It is practical evidence that HCV nucleotides emit electromagnetic signals that can be used for its identification. As compared to PCR, C-FAST is an accurate, valid and non-invasive device. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=C-FAST-%20a%20valid%20and%20reliable%20device" title="C-FAST- a valid and reliable device">C-FAST- a valid and reliable device</a>, <a href="https://publications.waset.org/abstracts/search?q=distant%20cellular%20interaction" title=" distant cellular interaction"> distant cellular interaction</a>, <a href="https://publications.waset.org/abstracts/search?q=electromagnetic%20signal%20detection" title=" electromagnetic signal detection"> electromagnetic signal detection</a>, <a href="https://publications.waset.org/abstracts/search?q=non-invasive%20diagnosis%20of%20HCV" title=" non-invasive diagnosis of HCV"> non-invasive diagnosis of HCV</a> </p> <a href="https://publications.waset.org/abstracts/3478/a-novel-method-for-non-invasive-diagnosis-of-hepatitis-c-virus-using-electromagnetic-signal-detection-a-multicenter-international-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/3478.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">432</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">5116</span> Reducing Weight and Fuel Consumption of Civil Aircraft by EML</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Luca%20Bertola">Luca Bertola</a>, <a href="https://publications.waset.org/abstracts/search?q=Tom%20Cox"> Tom Cox</a>, <a href="https://publications.waset.org/abstracts/search?q=Pat%20Wheeler"> Pat Wheeler</a>, <a href="https://publications.waset.org/abstracts/search?q=Seamus%20Garvey"> Seamus Garvey</a>, <a href="https://publications.waset.org/abstracts/search?q=Herve%20Morvan"> Herve Morvan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Electromagnetic launch systems have been proposed for military applications to accelerate jet planes on aircraft carriers. This paper proposes the implementation of similar technology to aid civil aircraft take-off, which can provide significant economic, environmental and technical benefits. Assisted launch has the potential of reducing ground noise and emissions near airports and improving overall aircraft efficiency through reducing engine thrust requirements. This paper presents a take-off performance analysis for an Airbus A320-200 taking off with and without the assistance of the electromagnetic catapult. Assisted take-off allows for a significant reduction in take-off field length, giving more capacity with existing airport footprints and reducing the necessary footprint of new airports, which will both reduce costs and increase the number of suitable sites. The electromagnetic catapult may allow the installation of smaller engines with lower rated thrust. The consequent fuel consumption and operational cost reduction are estimated. The potential of reducing the aircraft operational costs and the runway length required making electromagnetic launch system an attractive solution to the air traffic growth in busy airports. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=electromagnetic%20launch" title="electromagnetic launch">electromagnetic launch</a>, <a href="https://publications.waset.org/abstracts/search?q=fuel%20consumption" title=" fuel consumption"> fuel consumption</a>, <a href="https://publications.waset.org/abstracts/search?q=take-off%20analysis" title=" take-off analysis"> take-off analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=weight%20reduction" title=" weight reduction"> weight reduction</a> </p> <a href="https://publications.waset.org/abstracts/56488/reducing-weight-and-fuel-consumption-of-civil-aircraft-by-eml" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/56488.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">332</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">5115</span> Electromagnetic Interference Shielding Effectiveness of a Corrugated Rectangular Waveguide for a Microwave Conveyor-Belt Drier </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sang-Hyeon%20Bae">Sang-Hyeon Bae</a>, <a href="https://publications.waset.org/abstracts/search?q=Sung-Yeon%20Kim"> Sung-Yeon Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Min-Gyo%20Jeong"> Min-Gyo Jeong</a>, <a href="https://publications.waset.org/abstracts/search?q=Ji-Hong%20Kim"> Ji-Hong Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Wang-Sang%20Lee"> Wang-Sang Lee</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Traditional heating methods such as electric ovens or steam heating are slow and not very efficient. For continuously heating the objects, a microwave conveyor-belt drier is widely used in the industrial microwave heating systems. However, there is a problem in which electromagnetic wave leaks toward outside of the heating cavity through the insertion opening. To achieve the prevention of the leakage of microwaves and improved heating characteristics, the corrugated rectangular waveguide at the entrance and exit openings of a microwave conveyor-belt drier is proposed and its electromagnetic interference (EMI) shielding effectiveness is analyzed and verified. The corrugated waveguides in the proposed microwave heating system achieve at least 20 dB shielding effectiveness while ensuring a sufficient height of the openings. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=corrugated" title="corrugated">corrugated</a>, <a href="https://publications.waset.org/abstracts/search?q=electromagnetic%20wave" title=" electromagnetic wave"> electromagnetic wave</a>, <a href="https://publications.waset.org/abstracts/search?q=microwave%20conveyor-belt%20drier" title=" microwave conveyor-belt drier"> microwave conveyor-belt drier</a>, <a href="https://publications.waset.org/abstracts/search?q=rectangular%20waveguide" title=" rectangular waveguide"> rectangular waveguide</a>, <a href="https://publications.waset.org/abstracts/search?q=shielding%20effectiveness" title=" shielding effectiveness"> shielding effectiveness</a> </p> <a href="https://publications.waset.org/abstracts/62070/electromagnetic-interference-shielding-effectiveness-of-a-corrugated-rectangular-waveguide-for-a-microwave-conveyor-belt-drier" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/62070.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">516</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">5114</span> Analysis of Effects of Magnetic Slot Wedges on Characteristics of Permanent Magnet Synchronous Machine</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=B.%20Ladghem%20Chikouche">B. Ladghem Chikouche</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The influence of slot wedges permeability on the electromagnetic performance of three-phase permanent magnet synchronous machine is investigated in this paper. It is shown that the back-EMF waveform, electromagnetic torque and electromagnetic torque ripple are all significantly affected by slot wedges permeability. The paper presents an accurate analytical subdomain model and confirmed by finite-element analyses. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=exact%20analytical%20calculation" title="exact analytical calculation">exact analytical calculation</a>, <a href="https://publications.waset.org/abstracts/search?q=finite-element%20method" title=" finite-element method"> finite-element method</a>, <a href="https://publications.waset.org/abstracts/search?q=magnetic%20field%20distribution" title=" magnetic field distribution"> magnetic field distribution</a>, <a href="https://publications.waset.org/abstracts/search?q=permanent%20magnet%20machines%20performance" title=" permanent magnet machines performance"> permanent magnet machines performance</a>, <a href="https://publications.waset.org/abstracts/search?q=stator%20slot%20wedges%20permeability" title=" stator slot wedges permeability"> stator slot wedges permeability</a> </p> <a href="https://publications.waset.org/abstracts/43206/analysis-of-effects-of-magnetic-slot-wedges-on-characteristics-of-permanent-magnet-synchronous-machine" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/43206.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">326</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">5113</span> Magneto-Thermo-Mechanical Analysis of Electromagnetic Devices Using the Finite Element Method</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Michael%20G.%20Pantelyat">Michael G. Pantelyat</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Fundamental basics of pure and applied research in the area of magneto-thermo-mechanical numerical analysis and design of innovative electromagnetic devices (modern induction heaters, novel thermoelastic actuators, rotating electrical machines, induction cookers, electrophysical devices) are elaborated. Thus, mathematical models of magneto-thermo-mechanical processes in electromagnetic devices taking into account main interactions of interrelated phenomena are developed. In addition, graphical representation of coupled (multiphysics) phenomena under consideration is proposed. Besides, numerical techniques for nonlinear problems solution are developed. On this base, effective numerical algorithms for solution of actual problems of practical interest are proposed, validated and implemented in applied 2D and 3D computer codes developed. Many applied problems of practical interest regarding modern electrical engineering devices are numerically solved. Investigations of the influences of various interrelated physical phenomena (temperature dependences of material properties, thermal radiation, conditions of convective heat transfer, contact phenomena, etc.) on the accuracy of the electromagnetic, thermal and structural analyses are conducted. Important practical recommendations on the choice of rational structures, materials and operation modes of electromagnetic devices under consideration are proposed and implemented in industry. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=electromagnetic%20devices" title="electromagnetic devices">electromagnetic devices</a>, <a href="https://publications.waset.org/abstracts/search?q=multiphysics" title=" multiphysics"> multiphysics</a>, <a href="https://publications.waset.org/abstracts/search?q=numerical%20analysis" title=" numerical analysis"> numerical analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=simulation%20and%20design" title=" simulation and design"> simulation and design</a> </p> <a href="https://publications.waset.org/abstracts/38114/magneto-thermo-mechanical-analysis-of-electromagnetic-devices-using-the-finite-element-method" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/38114.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">386</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">5112</span> Therapeutic Application of Light and Electromagnetic Fields to Reduce Hyper-Inflammation Triggered by COVID-19 </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Blanche%20Aguida">Blanche Aguida</a>, <a href="https://publications.waset.org/abstracts/search?q=Marootpong%20Pooam"> Marootpong Pooam</a>, <a href="https://publications.waset.org/abstracts/search?q=Nathalie%20Jourdan"> Nathalie Jourdan</a>, <a href="https://publications.waset.org/abstracts/search?q=Margaret%20Ahmad"> Margaret Ahmad</a> </p> <p class="card-text"><strong>Abstract:</strong></p> COVID-19-related morbidity is associated with exaggerated inflammation and cytokine production in the lungs, leading to acute respiratory failure. The cellular mechanisms underlying these so-called ‘cytokine storms’ are regulated through the Toll-like receptor 4 (TLR4) signaling pathway and by reactive oxygen species (ROS). Both light (photobiomodulation) and magnetic fields (e.g., pulsed electromagnetic field) stimulation are non-invasive therapies known to confer anti-inflammatory effects and regulate ROS signaling pathways. Here we show that daily exposure to two 10-minute intervals of moderate-intensity infra-red light significantly lowered the inflammatory response induced via the TLR4 receptor signaling pathway in human cell cultures. Anti-inflammatory effects were likewise achieved by electromagnetic field exposure of cells to daily 10-minute intervals of either pulsed electromagnetic fields (PEMF) or to low-level static magnetic fields. Because current illumination and electromagnetic field therapies have no known side effects and are already approved for some medical uses, we have here developed protocols for verification in clinical trials of COVID 19 infection. These treatments are affordable, simple to implement, and may help to resolve the acute respiratory distress of COVID 19 patients both in the home and in the hospital. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=COVID%2019" title="COVID 19">COVID 19</a>, <a href="https://publications.waset.org/abstracts/search?q=electromagnetic%20fields%20therapy" title=" electromagnetic fields therapy"> electromagnetic fields therapy</a>, <a href="https://publications.waset.org/abstracts/search?q=inflammation" title=" inflammation"> inflammation</a>, <a href="https://publications.waset.org/abstracts/search?q=photobiomodulation%20therapy" title=" photobiomodulation therapy"> photobiomodulation therapy</a> </p> <a href="https://publications.waset.org/abstracts/135632/therapeutic-application-of-light-and-electromagnetic-fields-to-reduce-hyper-inflammation-triggered-by-covid-19" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/135632.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">144</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">5111</span> The Solution of the Direct Problem of Electrical Prospecting with Direct Current Under Conditions of Ground Surface Relief</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Balgaisha%20Mukanova">Balgaisha Mukanova</a>, <a href="https://publications.waset.org/abstracts/search?q=Tolkyn%20Mirgalikyzy"> Tolkyn Mirgalikyzy</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Theory of interpretation of electromagnetic fields studied in the electrical prospecting with direct current is mainly developed for the case of a horizontal surface observation. However in practice we often have to work in difficult terrain surface. Conducting interpretation without the influence of topography can cause non-existent anomalies on sections. This raises the problem of studying the impact of different shapes of ground surface relief on the results of electrical prospecting's research. This research examines the numerical solutions of the direct problem of electrical prospecting for two-dimensional and three-dimensional media, taking into account the terrain. The problem is solved using the method of integral equations. The density of secondary currents on the relief surface is obtained. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ground%20surface%20relief" title="ground surface relief">ground surface relief</a>, <a href="https://publications.waset.org/abstracts/search?q=method%20of%20integral%20equations" title=" method of integral equations"> method of integral equations</a>, <a href="https://publications.waset.org/abstracts/search?q=numerical%20method" title=" numerical method"> numerical method</a>, <a href="https://publications.waset.org/abstracts/search?q=electromagnetic" title=" electromagnetic "> electromagnetic </a> </p> <a href="https://publications.waset.org/abstracts/27446/the-solution-of-the-direct-problem-of-electrical-prospecting-with-direct-current-under-conditions-of-ground-surface-relief" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/27446.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">363</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">5110</span> Quantitative Changes in Biofilms of a Seawater Tubular Heat Exchanger Subjected to Electromagnetic Fields Treatment</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sergio%20Garcia">Sergio Garcia</a>, <a href="https://publications.waset.org/abstracts/search?q=Alfredo%20Trueba"> Alfredo Trueba</a>, <a href="https://publications.waset.org/abstracts/search?q=Luis%20M.%20Vega"> Luis M. Vega</a>, <a href="https://publications.waset.org/abstracts/search?q=Ernesto%20Madariaga"> Ernesto Madariaga</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Biofilms adhesion is one of the more important cost of industries plants on wide world, which use to water for cooling heat exchangers or are in contact with water. This study evaluated the effect of Electromagnetic Fields on biofilms in tubular heat exchangers using seawater cooling. The results showed an up to 40% reduction of the biofilm thickness compared to the untreated control tubes. The presence of organic matter was reduced by 75%, the inorganic mater was reduced by 87%, and 53% of the dissolved solids were eliminated. The biofilm thermal conductivity in the treated tube was reduced by 53% as compared to the control tube. The hardness in the effluent during the experimental period was decreased by 18% in the treated tubes compared with control tubes. Our results show that the electromagnetic fields treatment has a great potential in the process of removing biofilms in heat exchanger. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biofilm" title="biofilm">biofilm</a>, <a href="https://publications.waset.org/abstracts/search?q=heat%20exchanger" title=" heat exchanger"> heat exchanger</a>, <a href="https://publications.waset.org/abstracts/search?q=electromagnetic%20fields" title=" electromagnetic fields"> electromagnetic fields</a>, <a href="https://publications.waset.org/abstracts/search?q=seawater" title=" seawater"> seawater</a> </p> <a href="https://publications.waset.org/abstracts/90367/quantitative-changes-in-biofilms-of-a-seawater-tubular-heat-exchanger-subjected-to-electromagnetic-fields-treatment" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/90367.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span 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