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<!DOCTYPE html> <html lang="en" dir="ltr"> <head>  <script async src="https://www.googletagmanager.com/gtag/js?id=G-P63WKM1TM1"></script> <script> window.dataLayer = window.dataLayer || []; function gtag(){dataLayer.push(arguments);} gtag('js', new Date()); gtag('config', 'G-P63WKM1TM1'); </script>  <script type="text/javascript" > (function(m,e,t,r,i,k,a){m[i]=m[i]||function(){(m[i].a=m[i].a||[]).push(arguments)}; m[i].l=1*new Date(); for (var j = 0; j < document.scripts.length; j++) {if (document.scripts[j].src === r) { return; }} k=e.createElement(t),a=e.getElementsByTagName(t)[0],k.async=1,k.src=r,a.parentNode.insertBefore(k,a)}) (window, document, "script", "https://mc.yandex.ru/metrika/tag.js", "ym"); ym(55165297, "init", { clickmap:false, trackLinks:true, accurateTrackBounce:true, webvisor:false }); </script> <noscript><div><img src="https://mc.yandex.ru/watch/55165297" style="position:absolute; left:-9999px;" alt="" /></div></noscript>    <title>Search results for: Tarek M. Elsayed</title> <meta name="description" content="Search results for: Tarek M. Elsayed"> <meta name="keywords" content="Tarek M. Elsayed"> <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 navbar-toggler ml-auto" type="button" data-toggle="collapse" data-target="#navbarMenu" aria-controls="navbarMenu" aria-expanded="false" aria-label="Toggle navigation"> <span class="navbar-toggler-icon"></span> </button> <div class="w-100"> <div class="d-none d-lg-flex flex-row-reverse"> <form method="get" action="https://waset.org/search" class="form-inline my-2 my-lg-0"> <input class="form-control mr-sm-2" type="search" placeholder="Search Conferences" value="Tarek M. 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Elsayed"> <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> 179</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Tarek M. Elsayed</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">149</span> Mathematical Modeling of District Cooling Systems</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Dana%20Alghool">Dana Alghool</a>, <a href="https://publications.waset.org/abstracts/search?q=Tarek%20%20ElMekkawy"> Tarek ElMekkawy</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20Haouari"> Mohamed Haouari</a>, <a href="https://publications.waset.org/abstracts/search?q=Adel%20Elomari"> Adel Elomari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> District cooling systems have captured the attentions of many researchers recently due to the enormous benefits offered by such system in comparison with traditional cooling technologies. It is considered a major component of urban cities due to the significant reduction of energy consumption. This paper aims to find the optimal design and operation of district cooling systems by developing a mixed integer linear programming model to minimize the annual total system cost and satisfy the end-user cooling demand. The proposed model is experimented with different cooling demand scenarios. The results of the very high cooling demand scenario are only presented in this paper. A sensitivity analysis on different parameters of the model was performed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Annual%20Cooling%20Demand" title="Annual Cooling Demand">Annual Cooling Demand</a>, <a href="https://publications.waset.org/abstracts/search?q=Compression%20Chiller" title=" Compression Chiller"> Compression Chiller</a>, <a href="https://publications.waset.org/abstracts/search?q=Mathematical%20Modeling" title=" Mathematical Modeling"> Mathematical Modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=District%20Cooling%20Systems" title=" District Cooling Systems"> District Cooling Systems</a>, <a href="https://publications.waset.org/abstracts/search?q=Optimization" title=" Optimization"> Optimization</a> </p> <a href="https://publications.waset.org/abstracts/118677/mathematical-modeling-of-district-cooling-systems" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/118677.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">202</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">148</span> Wind Speed Prediction Using Passive Aggregation Artificial Intelligence Model</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tarek%20Aboueldahab">Tarek Aboueldahab</a>, <a href="https://publications.waset.org/abstracts/search?q=Amin%20Mohamed%20Nassar"> Amin Mohamed Nassar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Wind energy is a fluctuating energy source unlike conventional power plants, thus, it is necessary to accurately predict short term wind speed to integrate wind energy in the electricity supply structure. To do so, we present a hybrid artificial intelligence model of short term wind speed prediction based on passive aggregation of the particle swarm optimization and neural networks. As a result, improvement of the prediction accuracy is obviously obtained compared to the standard artificial intelligence method. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=artificial%20intelligence" title="artificial intelligence">artificial intelligence</a>, <a href="https://publications.waset.org/abstracts/search?q=neural%20networks" title=" neural networks"> neural networks</a>, <a href="https://publications.waset.org/abstracts/search?q=particle%20swarm%20optimization" title=" particle swarm optimization"> particle swarm optimization</a>, <a href="https://publications.waset.org/abstracts/search?q=passive%20aggregation" title=" passive aggregation"> passive aggregation</a>, <a href="https://publications.waset.org/abstracts/search?q=wind%20speed%20prediction" title=" wind speed prediction"> wind speed prediction</a> </p> <a href="https://publications.waset.org/abstracts/45705/wind-speed-prediction-using-passive-aggregation-artificial-intelligence-model" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/45705.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">147</span> Ensemble-Based SVM Classification Approach for miRNA Prediction</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sondos%20M.%20Hammad">Sondos M. Hammad</a>, <a href="https://publications.waset.org/abstracts/search?q=Sherin%20M.%20ElGokhy"> Sherin M. ElGokhy</a>, <a href="https://publications.waset.org/abstracts/search?q=Mahmoud%20M.%20Fahmy"> Mahmoud M. Fahmy</a>, <a href="https://publications.waset.org/abstracts/search?q=Elsayed%20A.%20Sallam"> Elsayed A. Sallam</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, an ensemble-based Support Vector Machine (SVM) classification approach is proposed. It is used for miRNA prediction. Three problems, commonly associated with previous approaches, are alleviated. These problems arise due to impose assumptions on the secondary structural of premiRNA, imbalance between the numbers of the laboratory checked miRNAs and the pseudo-hairpins, and finally using a training data set that does not consider all the varieties of samples in different species. We aggregate the predicted outputs of three well-known SVM classifiers; namely, Triplet-SVM, Virgo and Mirident, weighted by their variant features without any structural assumptions. An additional SVM layer is used in aggregating the final output. The proposed approach is trained and then tested with balanced data sets. The results of the proposed approach outperform the three base classifiers. Improved values for the metrics of 88.88% f-score, 92.73% accuracy, 90.64% precision, 96.64% specificity, 87.2% sensitivity, and the area under the ROC curve is 0.91 are achieved. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=MiRNAs" title="MiRNAs">MiRNAs</a>, <a href="https://publications.waset.org/abstracts/search?q=SVM%20classification" title=" SVM classification"> SVM classification</a>, <a href="https://publications.waset.org/abstracts/search?q=ensemble%20algorithm" title=" ensemble algorithm"> ensemble algorithm</a>, <a href="https://publications.waset.org/abstracts/search?q=assumption%20problem" title=" assumption problem"> assumption problem</a>, <a href="https://publications.waset.org/abstracts/search?q=imbalance%20data" title=" imbalance data"> imbalance data</a> </p> <a href="https://publications.waset.org/abstracts/32331/ensemble-based-svm-classification-approach-for-mirna-prediction" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/32331.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">349</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">146</span> Implementing Activity-Based Costing in Architectural Aluminum Projects: Case Study and Lessons Learned</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Amer%20Momani">Amer Momani</a>, <a href="https://publications.waset.org/abstracts/search?q=Tarek%20Al-Hawari"> Tarek Al-Hawari</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdallah%20Alakayleh"> Abdallah Alakayleh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study explains how to construct an actionable activity-based costing and management system to accurately track and account the total costs of architectural aluminum projects. Two ABC models were proposed to accomplish this purpose. First, the learning and development model was introduced to examine how to apply an ABC model in an architectural aluminum firm for the first time and to be familiar with ABC concepts. Second, an actual ABC model was built on the basis of the results of the previous model to accurately trace the actual costs incurred on each project in a year, and to be able to provide a quote with the best trade-off between competitiveness and profitability. The validity of the proposed model was verified on a local architectural aluminum company. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=activity-based%20costing" title="activity-based costing">activity-based costing</a>, <a href="https://publications.waset.org/abstracts/search?q=activity-based%20management" title=" activity-based management"> activity-based management</a>, <a href="https://publications.waset.org/abstracts/search?q=construction" title=" construction"> construction</a>, <a href="https://publications.waset.org/abstracts/search?q=architectural%20aluminum" title=" architectural aluminum"> architectural aluminum</a> </p> <a href="https://publications.waset.org/abstracts/175107/implementing-activity-based-costing-in-architectural-aluminum-projects-case-study-and-lessons-learned" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/175107.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">102</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">145</span> A Novel Comparison Scheme for Thermal Conductivity Enhancement of Heat Transfer</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Islam%20Tarek">Islam Tarek</a>, <a href="https://publications.waset.org/abstracts/search?q=Moataz%20Soliman"> Moataz Soliman</a> </p> <p class="card-text"><strong>Abstract:</strong></p> With the amazing development of nanoscience’s and the discovery of the unique properties of nanometric materials, the ideas of scientists and researchers headed to take advantage of this progress in various fields, and one of the most important of these areas is the field of heat transfer and benefit from it in saving energy used for heat transfer, so nanometric materials were used to improve the properties of heat transfer fluids and increase the efficiency of the liquid. In this paper, we will compare two types of heat transfer fluid, one industrial type (the base fluid is a mix of ethylene glycol and deionized water ) and another natural oils(the base fluid is a mix of jatropha oil and expired olive oil), explaining the method of preparing each of them, starting from the method of preparing CNT, collecting and sorting jatropha seeds, and the most appropriate method for extracting oil from them, and characterization the both of two fluids and when to use both. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=nanoscience" title="nanoscience">nanoscience</a>, <a href="https://publications.waset.org/abstracts/search?q=heat%20transfer" title=" heat transfer"> heat transfer</a>, <a href="https://publications.waset.org/abstracts/search?q=thermal%20conductivity" title=" thermal conductivity"> thermal conductivity</a>, <a href="https://publications.waset.org/abstracts/search?q=jatropha%20oil" title=" jatropha oil"> jatropha oil</a> </p> <a href="https://publications.waset.org/abstracts/141802/a-novel-comparison-scheme-for-thermal-conductivity-enhancement-of-heat-transfer" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/141802.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">144</span> Dilation Effect on 3D Passive Earth Pressure Coefficients for Retaining Wall </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Khelifa%20Tarek">Khelifa Tarek</a>, <a href="https://publications.waset.org/abstracts/search?q=Benmebarek%20Sadok"> Benmebarek Sadok</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The 2D passive earth pressures acting on rigid retaining walls problem has been widely treated in the literature using different approaches (limit equilibrium, limit analysis, slip line and numerical computation), however, the 3D passive earth pressures problem has received less attention. This paper is concerned with the numerical study of 3D passive earth pressures induced by the translation of a rigid rough retaining wall for associated and non-associated soils. Using the explicit finite difference code FLAC3D, the increase of the passive earth pressures due to the decrease of the wall breadth is investigated. The results given by the present numerical analysis are compared with other investigation. The influence of the angle of dilation on the coefficients is also studied. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=numerical%20modeling" title="numerical modeling">numerical modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=FLAC3D" title=" FLAC3D"> FLAC3D</a>, <a href="https://publications.waset.org/abstracts/search?q=retaining%20wall" title=" retaining wall"> retaining wall</a>, <a href="https://publications.waset.org/abstracts/search?q=passive%20earth%20pressures" title=" passive earth pressures"> passive earth pressures</a>, <a href="https://publications.waset.org/abstracts/search?q=angle%20of%20dilation" title=" angle of dilation"> angle of dilation</a> </p> <a href="https://publications.waset.org/abstracts/33167/dilation-effect-on-3d-passive-earth-pressure-coefficients-for-retaining-wall" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/33167.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">324</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">143</span> Effect of Pregnenolone Supplement on Biological Variables after Plyometric Training for Volleyball Players</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Menan%20M.%20Elsayed">Menan M. Elsayed</a>, <a href="https://publications.waset.org/abstracts/search?q=Hussein%20A.%20Heshmat"> Hussein A. Heshmat</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of the study is to determine the effect of 100 mg/d Pregnenolone on biological variables after plyometric training for volleyball players. Methods: 15 male volleyball players participated in this study. Serum levels of testosterone, creatine phosphokinase (CPK), lactate, and glucose were measured before and post-exercise. Results: Testosterone was not altered, while creatine phosphokinase (CPK), lactate, and glucose levels significantly decreased. It is recommended to use Pregnenolone administration to decreased muscle damage and delayed fatigue for volleyball players after plyometric training. In conclusion, this study demonstrated that oral Pregnenolone administration of 100 mg/d might decrease muscle damage and delayed fatigue which may affect positively the volleyball players after a plyometric training bout. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biological%20variables" title="biological variables">biological variables</a>, <a href="https://publications.waset.org/abstracts/search?q=plyometric%20exercise%20program" title=" plyometric exercise program"> plyometric exercise program</a>, <a href="https://publications.waset.org/abstracts/search?q=pregnenolone" title=" pregnenolone"> pregnenolone</a>, <a href="https://publications.waset.org/abstracts/search?q=volleyball%20player" title=" volleyball player"> volleyball player</a> </p> <a href="https://publications.waset.org/abstracts/91649/effect-of-pregnenolone-supplement-on-biological-variables-after-plyometric-training-for-volleyball-players" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/91649.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">229</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">142</span> Ficus carica as Adsorbent for Removal of Phenol from Aqueous Solutions: Modeling and Optimization</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tizi%20Hayet">Tizi Hayet</a>, <a href="https://publications.waset.org/abstracts/search?q=Berrama%20Tarek"> Berrama Tarek</a>, <a href="https://publications.waset.org/abstracts/search?q=Bounif%20Nadia"> Bounif Nadia</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Phenol and its derivatives are organic compounds utilized in the chemical industry. They are introduced into the environment by accidental spills and the illegal release of industrial and municipal wastewater. Phenols are organic intermediaries that are considered potential pollutants. Adsorption is one of the purification and separation techniques used in this area. Algeria annually produces 131000 tons of fig; therefore, a large amount of fig leaves is generated, and the conversion of this waste into adsorbent allows the valorization of agricultural residue. The main purpose of this present work is to describe an application of a statistical method for modeling and to optimize the conditions of the phenol adsorption from agricultural by-products, locally available (fig leaves). The best experimental performance of phenol elimination on the adsorbent was obtained with: Adsorbent concentration (X₂) = 200 mg L⁻¹; Initial concentration (X₃) = 150 mg L⁻¹; Speed agitation (X₁) = 300 rpm. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=low-cost%20adsorbents" title="low-cost adsorbents">low-cost adsorbents</a>, <a href="https://publications.waset.org/abstracts/search?q=adsorption" title=" adsorption"> adsorption</a>, <a href="https://publications.waset.org/abstracts/search?q=fig%20leaves" title=" fig leaves"> fig leaves</a>, <a href="https://publications.waset.org/abstracts/search?q=phenol" title=" phenol"> phenol</a>, <a href="https://publications.waset.org/abstracts/search?q=factorial%20design" title=" factorial design"> factorial design</a> </p> <a href="https://publications.waset.org/abstracts/156940/ficus-carica-as-adsorbent-for-removal-of-phenol-from-aqueous-solutions-modeling-and-optimization" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/156940.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">113</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">141</span> Ficus Carica as Adsorbent for Removal of Phenol from Aqueous Solutions: Modelling and Optimization</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tizi%20Hayet">Tizi Hayet</a>, <a href="https://publications.waset.org/abstracts/search?q=Berrama%20Tarek"> Berrama Tarek</a>, <a href="https://publications.waset.org/abstracts/search?q=Bounif%20Nadia"> Bounif Nadia</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Phenol and its derivatives are organic compounds utilized in the chemical industry. They are introduced into the environment by accidental spills and illegal release of industrial and municipal wastewater. Phenols are organic intermediaries that considered as potential pollutants. Adsorption is one of the purification and separation techniques used in this area. Algeria produces annually 131000 tones of fig; therefore, a large amount of fig leaves is generated, and the conversion of this waste into adsorbent allows the valorization of agricultural residue. The main purpose of this present work is to describe an application of the statistical method for modeling and optimization of the conditions of the phenol (Ph) adsorption from agricultural by-product locally available (fig leaves). The best experimental performance of Ph elimination on the adsorbent was obtained with: Adsorbent concentration (X2) = 0.2 g L-1; Initial concentration (X3) = 150 mg L-1; Speed agitation (X1) = 300 rpm. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=low-cost%20adsorbents" title="low-cost adsorbents">low-cost adsorbents</a>, <a href="https://publications.waset.org/abstracts/search?q=fig%20leaves" title=" fig leaves"> fig leaves</a>, <a href="https://publications.waset.org/abstracts/search?q=full%20factorial%20design" title=" full factorial design"> full factorial design</a>, <a href="https://publications.waset.org/abstracts/search?q=phenol" title=" phenol"> phenol</a>, <a href="https://publications.waset.org/abstracts/search?q=biosorption" title=" biosorption"> biosorption</a> </p> <a href="https://publications.waset.org/abstracts/157011/ficus-carica-as-adsorbent-for-removal-of-phenol-from-aqueous-solutions-modelling-and-optimization" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/157011.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">97</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">140</span> Improvement Perturb and Observe for a Fast Response MPPT Applied to Photovoltaic Panel</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Labar%20Hocine">Labar Hocine</a>, <a href="https://publications.waset.org/abstracts/search?q=Kelaiaia%20Mounia%20Samira"> Kelaiaia Mounia Samira</a>, <a href="https://publications.waset.org/abstracts/search?q=Mesbah%20Tarek"> Mesbah Tarek</a>, <a href="https://publications.waset.org/abstracts/search?q=Kelaiaia%20Samia"> Kelaiaia Samia</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Maximum power point tracking (MPPT) techniques are used in photovoltaic (PV) systems to maximize the PV array output power by tracking continuously the maximum power point(MPP) which depends on panels temperature and on irradiance conditions. The main drawback of P&O is that, the operating point oscillates around the MPP giving rise to the waste of some amount of available energy; moreover, it is well known that the P&O algorithm can be confused during those time intervals characterized by rapidly changing atmospheric conditions. In this paper, it is shown that in order to limit the negative effects associated to the above drawbacks, the P&O MPPT parameters must be customized to the dynamic behavior of the specific converter adopted. A theoretical analysis allowing the optimal choice of such initial set parameters is also carried out. The fast convergence of the proposal is proven. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=P%26O" title="P&O">P&O</a>, <a href="https://publications.waset.org/abstracts/search?q=Taylor%E2%80%99s%20series" title=" Taylor’s series"> Taylor’s series</a>, <a href="https://publications.waset.org/abstracts/search?q=MPPT" title=" MPPT"> MPPT</a>, <a href="https://publications.waset.org/abstracts/search?q=photovoltaic%20panel" title=" photovoltaic panel "> photovoltaic panel </a> </p> <a href="https://publications.waset.org/abstracts/21985/improvement-perturb-and-observe-for-a-fast-response-mppt-applied-to-photovoltaic-panel" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/21985.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">587</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">139</span> Modelling the Anaerobic Digestion of Esparto Paper Industry Wastewater Effluent in a Batch Digester Using IWA Anaerobic Digestion Model No. 1 (ADM1)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Boubaker%20Fezzani">Boubaker Fezzani</a>, <a href="https://publications.waset.org/abstracts/search?q=Ridha%20Ben%20Cheikh"> Ridha Ben Cheikh</a>, <a href="https://publications.waset.org/abstracts/search?q=Tarek%20Rouissi"> Tarek Rouissi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this work the original ADM1, implemented in the simulation software package MATLAB/Simulink, was modified and adapted and applied to reproduce the experimental results of the mesophilic anaerobic digestion of Esperto paper industry wastewater in a batch digester. The data set from lab-scale experiment runs were used to calibrate and validate the model. The simulations’ results indicated that the modified ADM1 was able to predict reasonably well the steady state results of gas flows, methane and carbon dioxide contents, pH and total volatile fatty acids (TVFA) observed with all influents concentrations. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=anaerobic%20digestion" title="anaerobic digestion">anaerobic digestion</a>, <a href="https://publications.waset.org/abstracts/search?q=mathematical%20modelling" title=" mathematical modelling"> mathematical modelling</a>, <a href="https://publications.waset.org/abstracts/search?q=Simulation" title=" Simulation"> Simulation</a>, <a href="https://publications.waset.org/abstracts/search?q=ADM1" title=" ADM1"> ADM1</a>, <a href="https://publications.waset.org/abstracts/search?q=batch%20digester" title=" batch digester"> batch digester</a>, <a href="https://publications.waset.org/abstracts/search?q=esparto%20%20paper%20industry%20effluent" title=" esparto paper industry effluent"> esparto paper industry effluent</a>, <a href="https://publications.waset.org/abstracts/search?q=mesophilic%20temperature" title=" mesophilic temperature"> mesophilic temperature</a> </p> <a href="https://publications.waset.org/abstracts/37483/modelling-the-anaerobic-digestion-of-esparto-paper-industry-wastewater-effluent-in-a-batch-digester-using-iwa-anaerobic-digestion-model-no-1-adm1" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/37483.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">405</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">138</span> Mathematical Modeling and Optimization of Burnishing Parameters for 15NiCr6 Steel</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tarek%20Litim">Tarek Litim</a>, <a href="https://publications.waset.org/abstracts/search?q=Ouahiba%20Taamallah"> Ouahiba Taamallah</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The present paper is an investigation of the effect of burnishing on the surface integrity of a component made of 15NiCr6 steel. This work shows a statistical study based on regression, and Taguchi's design has allowed the development of mathematical models to predict the output responses as a function of the technological parameters studied. The response surface methodology (RSM) showed a simultaneous influence of the burnishing parameters and observe the optimal processing parameters. ANOVA analysis of the results resulted in the validation of the prediction model with a determination coefficient R=90.60% and 92.41% for roughness and hardness, respectively. Furthermore, a multi-objective optimization allowed to identify a regime characterized by P=10kgf, i=3passes, and f=0.074mm/rev, which favours minimum roughness and maximum hardness. The result was validated by the desirability of D= (0.99 and 0.95) for roughness and hardness, respectively. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=15NiCr6%20steel" title="15NiCr6 steel">15NiCr6 steel</a>, <a href="https://publications.waset.org/abstracts/search?q=burnishing" title=" burnishing"> burnishing</a>, <a href="https://publications.waset.org/abstracts/search?q=surface%20integrity" title=" surface integrity"> surface integrity</a>, <a href="https://publications.waset.org/abstracts/search?q=Taguchi" title=" Taguchi"> Taguchi</a>, <a href="https://publications.waset.org/abstracts/search?q=RSM" title=" RSM"> RSM</a>, <a href="https://publications.waset.org/abstracts/search?q=ANOVA" title=" ANOVA"> ANOVA</a> </p> <a href="https://publications.waset.org/abstracts/140713/mathematical-modeling-and-optimization-of-burnishing-parameters-for-15nicr6-steel" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/140713.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">191</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">137</span> Application of Nanofiltration Membrane for River Nile Water Treatment in Egypt</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tarek%20S.%20Jamil">Tarek S. Jamil</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20M.%20Shaban"> Ahmed M. Shaban</a>, <a href="https://publications.waset.org/abstracts/search?q=Eman%20S.%20Mansor"> Eman S. Mansor</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20A.%20Karim"> Ahmed A. Karim</a>, <a href="https://publications.waset.org/abstracts/search?q=Azza%20M.%20Abdel%20Aty"> Azza M. Abdel Aty</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this manuscript, 35 m³/d NF unit was designed and applied for surface water treatment of river Nile water. Intake of Embaba drinking water treatment plant was selected to install that unit at since; it has the lowest water quality index value through the examined 6 sites in greater Cairo area. The optimized operating conditions were feed and permeate flow, 40 and 7 m³/d, feed pressure 2.68 bar and flux rate 37.7 l/m2.h. The permeate water was drinkable according to Egyptian Ministerial decree 458/2007 for the tested parameters (physic-chemical, heavy metals, organic, algal, bacteriological and parasitological). Single and double sand filters were used as pretreatment for NF membranes, but continuous clogging for sand filters moved us to use UF membrane as pretreatment for NF membrane. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=River%20Nile" title="River Nile">River Nile</a>, <a href="https://publications.waset.org/abstracts/search?q=NF%20membrane" title=" NF membrane"> NF membrane</a>, <a href="https://publications.waset.org/abstracts/search?q=pretreatment" title=" pretreatment"> pretreatment</a>, <a href="https://publications.waset.org/abstracts/search?q=UF%20membrane" title=" UF membrane"> UF membrane</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20quality" title=" water quality"> water quality</a> </p> <a href="https://publications.waset.org/abstracts/61649/application-of-nanofiltration-membrane-for-river-nile-water-treatment-in-egypt" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/61649.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">708</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">136</span> Optimal MPPT Charging Battery System for Photovoltaic Standalone Applications</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kelaiaia%20Mounia%20Samira">Kelaiaia Mounia Samira</a>, <a href="https://publications.waset.org/abstracts/search?q=Labar%20Hocine"> Labar Hocine</a>, <a href="https://publications.waset.org/abstracts/search?q=Mesbah%20Tarek"> Mesbah Tarek</a>, <a href="https://publications.waset.org/abstracts/search?q=Kelaiaia%20samia"> Kelaiaia samia</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The photovoltaic panel produces green power, and because of its availability across the globe, it can supply isolated loads (site away of the electrical network or difficult of access). Unfortunately this energy remains very expensive. The most application of these types of power needs storage devices, the Lithium batteries are commonly used because of its powerful storage capability. Using a solar panel or an array of panels without a controller that can perform MPPT will often result in wasted power, which results in the need to install more panels for the same power requirement. For devices that have the battery connected directly to the panel, this will also result in premature battery failure or capacity loss. In this paper it is proposed a modified P&O algorithm for the MPPT which takes in account the battery’s internal resistance vs temperature and stage of charging. Of course the temperature variation and irradiation of the PV panel are also introduced. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=modeling" title="modeling">modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=battery" title=" battery"> battery</a>, <a href="https://publications.waset.org/abstracts/search?q=MPPT" title=" MPPT"> MPPT</a>, <a href="https://publications.waset.org/abstracts/search?q=charging" title=" charging"> charging</a>, <a href="https://publications.waset.org/abstracts/search?q=PV%20Panel" title=" PV Panel "> PV Panel </a> </p> <a href="https://publications.waset.org/abstracts/21983/optimal-mppt-charging-battery-system-for-photovoltaic-standalone-applications" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/21983.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">525</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">135</span> Modeling of a Small Unmanned Aerial Vehicle</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Elsayed%20Ahmed">Ahmed Elsayed Ahmed</a>, <a href="https://publications.waset.org/abstracts/search?q=Ashraf%20Hafez"> Ashraf Hafez</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20N.%20Ouda"> A. N. Ouda</a>, <a href="https://publications.waset.org/abstracts/search?q=Hossam%20Eldin%20Hussein%20Ahmed"> Hossam Eldin Hussein Ahmed</a>, <a href="https://publications.waset.org/abstracts/search?q=Hala%20Mohamed%20ABD-Elkader"> Hala Mohamed ABD-Elkader</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Unmanned Aircraft Systems (UAS) are playing increasingly prominent roles in defense programs and defense strategies around the world. Technology advancements have enabled the development of it to do many excellent jobs as reconnaissance, surveillance, battle fighters, and communications relays. Simulating a small unmanned aerial vehicle (SUAV) dynamics and analyzing its behavior at the preflight stage is too important and more efficient. The first step in the UAV design is the mathematical modeling of the nonlinear equations of motion. In this paper, a survey with a standard method to obtain the full non-linear equations of motion is utilized,and then the linearization of the equations according to a steady state flight condition (trimming) is derived. This modeling technique is applied to an Ultrastick-25e fixed wing UAV to obtain the valued linear longitudinal and lateral models. At the end, the model is checked by matching between the behavior of the states of the non-linear UAV and the resulted linear model with doublet at the control surfaces. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=UAV" title="UAV">UAV</a>, <a href="https://publications.waset.org/abstracts/search?q=equations%20of%20motion" title=" equations of motion"> equations of motion</a>, <a href="https://publications.waset.org/abstracts/search?q=modeling" title=" modeling"> modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=linearization" title=" linearization"> linearization</a> </p> <a href="https://publications.waset.org/abstracts/23317/modeling-of-a-small-unmanned-aerial-vehicle" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/23317.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">743</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">134</span> Klippel Feil Syndrome: A Case Report and Review of Literature</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rim%20Frikha">Rim Frikha</a>, <a href="https://publications.waset.org/abstracts/search?q=Nouha%20Bouayed%20Abdelmoula"> Nouha Bouayed Abdelmoula</a>, <a href="https://publications.waset.org/abstracts/search?q=Afifa%20Sellami"> Afifa Sellami</a>, <a href="https://publications.waset.org/abstracts/search?q=Salima%20Daoud"> Salima Daoud</a>, <a href="https://publications.waset.org/abstracts/search?q=Tarek%20Rebai"> Tarek Rebai</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Klippel-Feil Syndrome (KFS) is characterized by congenital vertebral fusion of the cervical spine resulting from faulty segmentation along the embryo's developing axis. A wide spectrum of associated anomalies may be present. This heterogeneity has complicated elucidation of the genetic etiology and management of the syndrome. We report a case of an isolated Klippel-Feil Syndrome with C5-C6 fusion on the cervical spine. It‘s the rarest form of congenital fused cervical vertebrae which is predisposed to the risk of spinal cord injury and neurologic problems. The aim of this paper was to review clinical heterogeneity; radiographic abnormalities and genetic etiology in Klippel-Feil Syndrome. We insist in comprehensive evaluation and delineation of diagnostic and prognostic classes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Klippel%E2%80%93Feil%20anomaly" title="Klippel–Feil anomaly">Klippel–Feil anomaly</a>, <a href="https://publications.waset.org/abstracts/search?q=genetic" title=" genetic"> genetic</a>, <a href="https://publications.waset.org/abstracts/search?q=clinical%20heterogeneity" title=" clinical heterogeneity"> clinical heterogeneity</a>, <a href="https://publications.waset.org/abstracts/search?q=radiographic%20abnormalities" title=" radiographic abnormalities"> radiographic abnormalities</a> </p> <a href="https://publications.waset.org/abstracts/18316/klippel-feil-syndrome-a-case-report-and-review-of-literature" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/18316.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">484</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">133</span> A Review of Urban Placemaking Assessment Frameworks</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Amal%20Abdou">Amal Abdou</a>, <a href="https://publications.waset.org/abstracts/search?q=Yasser%20ElSayed"> Yasser ElSayed</a>, <a href="https://publications.waset.org/abstracts/search?q=Nora%20Selim"> Nora Selim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Public urban spaces are an essential component in any urban settlement. They are quite important in enhancing the quality of urban life while offering social, health, environmental and economic benefits to a city and its residents. Place-making assessment of public urban spaces has been one of the major guiding principles for urban planning and policymaking, of which the definition and evaluation have become the crucial research topic. It is increasingly being essential to mitigate the undesirable impacts of urbanization in cities while improving public urban space’s resilience to environmental, social, and economic changes. Globally, several place-making assessment tools (PATs) have been developed to make such informed decision-making. They act as a catalyst to increase market demand for sustainable products and services by providing a mechanism for recognizing excellence. Assessing how placemaking can positively contribute to urban environments is critical to inform both the continued development of the place and the way placemaking is done as a practice. Therefore, this study aims to review different themes for assessing urban placemaking in public urban spaces. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=urban%20placemaking" title="urban placemaking">urban placemaking</a>, <a href="https://publications.waset.org/abstracts/search?q=public%20urban%20spaces" title=" public urban spaces"> public urban spaces</a>, <a href="https://publications.waset.org/abstracts/search?q=placemaking%20assessment" title=" placemaking assessment"> placemaking assessment</a>, <a href="https://publications.waset.org/abstracts/search?q=literature%20review" title=" literature review"> literature review</a> </p> <a href="https://publications.waset.org/abstracts/164346/a-review-of-urban-placemaking-assessment-frameworks" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/164346.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">98</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">132</span> Discrete Swarm with Passive Congregation for Cost Minimization of the Multiple Vehicle Routing Problem</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tarek%20Aboueldahab">Tarek Aboueldahab</a>, <a href="https://publications.waset.org/abstracts/search?q=Hanan%20Farag"> Hanan Farag</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Cost minimization of Multiple Vehicle Routing Problem becomes a critical issue in the field of transportation because it is NP-hard optimization problem and the search space is complex. Many researches use the hybridization of artificial intelligence (AI) models to solve this problem; however, it can not guarantee to reach the best solution due to the difficulty of searching the whole search space. To overcome this problem, we introduce the hybrid model of Discrete Particle Swarm Optimization (DPSO) with a passive congregation which enable searching the whole search space to compromise between both local and global search. The practical experiment shows that our model obviously outperforms other hybrid models in cost minimization. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cost%20minimization" title="cost minimization">cost minimization</a>, <a href="https://publications.waset.org/abstracts/search?q=multi-vehicle%20routing%20problem" title=" multi-vehicle routing problem"> multi-vehicle routing problem</a>, <a href="https://publications.waset.org/abstracts/search?q=passive%20congregation" title=" passive congregation"> passive congregation</a>, <a href="https://publications.waset.org/abstracts/search?q=discrete%20swarm" title=" discrete swarm"> discrete swarm</a>, <a href="https://publications.waset.org/abstracts/search?q=passive%20congregation" title=" passive congregation"> passive congregation</a> </p> <a href="https://publications.waset.org/abstracts/157025/discrete-swarm-with-passive-congregation-for-cost-minimization-of-the-multiple-vehicle-routing-problem" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/157025.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">98</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">131</span> Air Flow Characteristics and Pressure Distributions for Staggered Wing Shaped Tubes Bundle</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sayed%20A.%20Elsayed">Sayed A. Elsayed</a>, <a href="https://publications.waset.org/abstracts/search?q=Emad%20Z.%20Ibrahim"> Emad Z. Ibrahim</a>, <a href="https://publications.waset.org/abstracts/search?q=Osama%20M.%20Mesalhy"> Osama M. Mesalhy</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20A.%20Abdelatief"> Mohamed A. Abdelatief</a> </p> <p class="card-text"><strong>Abstract:</strong></p> An experimental and numerical study has been conducted to clarify fluid flow characteristics and pressure drop distributions of a cross-flow heat exchanger employing staggered wing-shaped tubes at different angels of attack. The water-side Rew and the air-side Rea were at 5 x 102 and at from 1.8 x 103 to 9.7 x 103, respectively. Three cases of the tubes arrangements with various angles of attack, row angles of attack and 90° cone angles were employed at the considered Rea range. Correlation of pressure drop coefficient Pdc in terms of Rea, design parameters for the studied cases were presented. The flow pattern around the staggered wing-shaped tubes bundle were predicted by using commercial CFD FLUENT 6.3.26 software package. Results indicated that the values of Pdc were increased by increasing the angle of attack from 0° to 45°, while the opposite was true for angles of attack from 135° to 180°. Comparisons between the experimental and numerical results of the present study and those, previously, obtained for similar available studies showed good agreements. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=wing-shaped%20tubes" title="wing-shaped tubes">wing-shaped tubes</a>, <a href="https://publications.waset.org/abstracts/search?q=cross-flow%20cooling" title=" cross-flow cooling"> cross-flow cooling</a>, <a href="https://publications.waset.org/abstracts/search?q=staggered%20arrangement" title=" staggered arrangement"> staggered arrangement</a>, <a href="https://publications.waset.org/abstracts/search?q=CFD" title=" CFD"> CFD</a> </p> <a href="https://publications.waset.org/abstracts/16278/air-flow-characteristics-and-pressure-distributions-for-staggered-wing-shaped-tubes-bundle" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/16278.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">376</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">130</span> Experimental and CFD of Desgined Small Wind Turbine</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tarek%20A.%20Mekail">Tarek A. Mekail</a>, <a href="https://publications.waset.org/abstracts/search?q=Walid%20M.%20A.%20Elmagid"> Walid M. A. Elmagid</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Many researches have concentrated on improving the aerodynamic performance of wind turbine blade through testing and theoretical studies. A small wind turbine blade is designed, fabricated and tested. The power performance of small horizontal axis wind turbines is simulated in details using Computational Fluid Dynamic (CFD). The three-dimensional CFD models are presented using ANSYS-CFX v13 software for predicting the performance of a small horizontal axis wind turbine. The simulation results are compared with the experimental data measured from a small wind turbine model, which designed according to a vehicle-based test system. The analysis of wake effect and aerodynamic of the blade can be carried out when the rotational effect was simulated. Finally, comparison between experimental, numerical and analytical performance has been done. The comparison is fairly good. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=small%20wind%20turbine" title="small wind turbine">small wind turbine</a>, <a href="https://publications.waset.org/abstracts/search?q=CFD%20of%20wind%20turbine" title=" CFD of wind turbine"> CFD of wind turbine</a>, <a href="https://publications.waset.org/abstracts/search?q=CFD" title=" CFD"> CFD</a>, <a href="https://publications.waset.org/abstracts/search?q=performance%20of%20wind%20turbine" title=" performance of wind turbine"> performance of wind turbine</a>, <a href="https://publications.waset.org/abstracts/search?q=test%20of%20small%20wind%20turbine" title=" test of small wind turbine"> test of small wind turbine</a>, <a href="https://publications.waset.org/abstracts/search?q=wind%20turbine%20aerodynamic" title=" wind turbine aerodynamic"> wind turbine aerodynamic</a>, <a href="https://publications.waset.org/abstracts/search?q=3D%20model" title=" 3D model"> 3D model</a> </p> <a href="https://publications.waset.org/abstracts/18446/experimental-and-cfd-of-desgined-small-wind-turbine" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/18446.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">542</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">129</span> Discrete Breeding Swarm for Cost Minimization of Parallel Job Shop Scheduling Problem</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tarek%20Aboueldahab">Tarek Aboueldahab</a>, <a href="https://publications.waset.org/abstracts/search?q=Hanan%20Farag"> Hanan Farag</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Parallel Job Shop Scheduling Problem (JSP) is a multi-objective and multi constrains NP- optimization problem. Traditional Artificial Intelligence techniques have been widely used; however, they could be trapped into the local minimum without reaching the optimum solution, so we propose a hybrid Artificial Intelligence model (AI) with Discrete Breeding Swarm (DBS) added to traditional Artificial Intelligence to avoid this trapping. This model is applied in the cost minimization of the Car Sequencing and Operator Allocation (CSOA) problem. The practical experiment shows that our model outperforms other techniques in cost minimization. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=parallel%20job%20shop%20scheduling%20problem" title="parallel job shop scheduling problem">parallel job shop scheduling problem</a>, <a href="https://publications.waset.org/abstracts/search?q=artificial%20intelligence" title=" artificial intelligence"> artificial intelligence</a>, <a href="https://publications.waset.org/abstracts/search?q=discrete%20breeding%20swarm" title=" discrete breeding swarm"> discrete breeding swarm</a>, <a href="https://publications.waset.org/abstracts/search?q=car%20sequencing%20and%20operator%20allocation" title=" car sequencing and operator allocation"> car sequencing and operator allocation</a>, <a href="https://publications.waset.org/abstracts/search?q=cost%20minimization" title=" cost minimization"> cost minimization</a> </p> <a href="https://publications.waset.org/abstracts/132701/discrete-breeding-swarm-for-cost-minimization-of-parallel-job-shop-scheduling-problem" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/132701.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">188</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">128</span> Copper Doping for Enhancing Photocatalytic Efficiency of Barium Ferrite in Degradation of Atrazine under Visible Light</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tarek%20S.%20Jamil">Tarek S. Jamil</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20A.%20Abbas"> H. A. Abbas</a>, <a href="https://publications.waset.org/abstracts/search?q=Rabab%20A.%20Nasr"> Rabab A. Nasr</a>, <a href="https://publications.waset.org/abstracts/search?q=Eman%20S.%20Mansor"> Eman S. Mansor</a>, <a href="https://publications.waset.org/abstracts/search?q=Rose-No%C3%ABlle%20Vannier"> Rose-Noëlle Vannier</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The citrate manner (Pechini method) was utilized in elaboration of a novel Nano-sized BaFe(1-x)CuxO3 (x=0.01, 0.05 and 0.10). The prepared photocatalysts were characterized by x-ray diffraction, diffuse reflectance, TEM and the surface area. The prepared samples have a mixture of cubic perovskite structure (main) and orthorhombic phases. The effect of different loads of copper as dopant on the structural properties as well as the photocatalytic activity was demonstrated. The lattice parameter and the unit cell volume of the prepared materials are given. Doping with copper increased the photocatalytic activity of BaFeO3 several times in abstraction of hazardous atrazine that causes acute problems in drinking water treatment facilities. This may be reasoned to low band gap energy of copper doped BaFe(1-x)CuxO3 attributed to oxygen vacancies formation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=photocatalysis" title="photocatalysis">photocatalysis</a>, <a href="https://publications.waset.org/abstracts/search?q=nano-sized" title=" nano-sized"> nano-sized</a>, <a href="https://publications.waset.org/abstracts/search?q=BaFeO3" title=" BaFeO3"> BaFeO3</a>, <a href="https://publications.waset.org/abstracts/search?q=copper%20doping" title=" copper doping"> copper doping</a>, <a href="https://publications.waset.org/abstracts/search?q=atrazine" title=" atrazine"> atrazine</a> </p> <a href="https://publications.waset.org/abstracts/61647/copper-doping-for-enhancing-photocatalytic-efficiency-of-barium-ferrite-in-degradation-of-atrazine-under-visible-light" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/61647.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">349</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">127</span> Affective Adaptation Design for Better Gaming Experiences</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ollie%20Hall">Ollie Hall</a>, <a href="https://publications.waset.org/abstracts/search?q=Salma%20ElSayed"> Salma ElSayed</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Affective adaptation is a novel way for game designers to add an extra layer of engagement to their productions. When player’s emotions factor in game design, endless possibilities for creative gameplay emerge. Whilst gaining popularity, existing affective game research mostly runs controlled experiments carried in restrictive settings and relies on one or more specialist devices for measuring a player’s emotional state. These conditions, albeit effective, are not necessarily realistic. Moreover, the simplified narrative and intrusive wearables may not be suitable for the average player. This exploratory study investigates delivering an immersive affective experience in the wild with minimal requirements in an attempt for the average developer to reach the average player. A puzzle game is created with a rich narrative and creative mechanics. It employs both explicit and implicit adaptation and only requires a web camera. Participants played the game on their own machines in various settings. Whilst it was rated feasible, very engaging, and enjoyable, it remains questionable whether a fully immersive experience was delivered due to the limited sample size. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=affective%20games" title="affective games">affective games</a>, <a href="https://publications.waset.org/abstracts/search?q=dynamic%20adaptation" title=" dynamic adaptation"> dynamic adaptation</a>, <a href="https://publications.waset.org/abstracts/search?q=emotion%20recognition" title=" emotion recognition"> emotion recognition</a>, <a href="https://publications.waset.org/abstracts/search?q=game%20design" title=" game design"> game design</a> </p> <a href="https://publications.waset.org/abstracts/140988/affective-adaptation-design-for-better-gaming-experiences" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/140988.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">151</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">126</span> Effectiveness of Crystallization Coating Materials on Chloride Ions Ingress in Concrete</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mona%20Elsalamawy">Mona Elsalamawy</a>, <a href="https://publications.waset.org/abstracts/search?q=Ashraf%20Ragab%20Mohamed"> Ashraf Ragab Mohamed</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdellatif%20Elsayed%20Abosen"> Abdellatif Elsayed Abosen</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper aims to evaluate the effectiveness of different crystalline coating materials concerning of chloride ions penetration. The concrete ages at the coating installation and its moisture conditions were addressed; where, these two factors may play a dominant role for the effectiveness of the used materials. Rapid chloride ions penetration test (RCPT) was conducted at different ages and moisture conditions according to the relevant standard. In addition, the contaminated area and the penetration depth of the chloride ions were investigated immediately after the RCPT test using chemical identifier, 0.1 M silver nitrate AgNO<sub>3</sub> solution. Results have shown that, the very low chloride ions penetrability, for the studied crystallization materials, were investigated only with the old age concrete (G1). The significant reduction in chloride ions’ penetrability was illustrated after 7 days of installing the crystalline coating layers. Using imageJ is more reliable to describe the contaminated area of chloride ions, where the distribution of aggregate and heterogeneous of cement mortar was considered in the images analysis. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=chloride%20permeability" title="chloride permeability">chloride permeability</a>, <a href="https://publications.waset.org/abstracts/search?q=contaminated%20area" title=" contaminated area"> contaminated area</a>, <a href="https://publications.waset.org/abstracts/search?q=crystalline%20waterproofing%20materials" title=" crystalline waterproofing materials"> crystalline waterproofing materials</a>, <a href="https://publications.waset.org/abstracts/search?q=RCPT" title=" RCPT"> RCPT</a>, <a href="https://publications.waset.org/abstracts/search?q=XRD" title=" XRD"> XRD</a> </p> <a href="https://publications.waset.org/abstracts/79848/effectiveness-of-crystallization-coating-materials-on-chloride-ions-ingress-in-concrete" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/79848.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">250</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">125</span> Evaluation of in vitro Inhibitory Effect of Enoxacin on Babesia and Theileria Parasites</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mosaab%20A.%20Omar">Mosaab A. Omar</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Saleh%20Al-Aboody"> Mohammad Saleh Al-Aboody</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohmed%20A.%20Rizk"> Mohmed A. Rizk</a>, <a href="https://publications.waset.org/abstracts/search?q=Shimaa%20M.%20Elsayed"> Shimaa M. Elsayed</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20ElSify"> Ahmed ElSify</a>, <a href="https://publications.waset.org/abstracts/search?q=Naoaki%20Yokoyama"> Naoaki Yokoyama</a>, <a href="https://publications.waset.org/abstracts/search?q=Ikuo%20Igarashi"> Ikuo Igarashi </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Enoxacin is a broad-spectrum 6-fluoronaphthyridinone antibacterial agent (fluoroquinolones) structurally related to nalidixic acid used mainly in the treatment of urinary tract infections and gonorrhea. Also, it has been shown recently that it may have cancer inhibiting effect. The primary antibabesial effect of Enoxacin is due to inhibition of DNA gyrase subunit A, and DNA topoisomerase. In the present study, enoxacin was tested as a potent inhibitor against the in vitro growth of bovine and equine Piroplasms. The in vitro growth of five Babesia species that were tested was significantly inhibited (P<0.05) by micromolar concentrations of enoxacin (IC50 values= 13.5, 7.2, 7.5, and 24.2 µM for Babesia bovis, Babesia bigemina, Babesia caballi, and Theileria equi, respectively). Enoxacin IC50 values for Babesia and Theileria parasites were satisfactory as the drug is a potent antibacterial drug with minimum side effects. Therefore, enoxacin might be used for the treatment of Babesiosis and Theileriosis especially in case of mixed infections with bacterial diseases or in the case of animal sensitivity against diminazin toxicity. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=enoxacin" title="enoxacin">enoxacin</a>, <a href="https://publications.waset.org/abstracts/search?q=Babesia" title=" Babesia"> Babesia</a>, <a href="https://publications.waset.org/abstracts/search?q=Theileria" title=" Theileria"> Theileria</a>, <a href="https://publications.waset.org/abstracts/search?q=IC50%20and%20dimenazin" title=" IC50 and dimenazin"> IC50 and dimenazin</a> </p> <a href="https://publications.waset.org/abstracts/24342/evaluation-of-in-vitro-inhibitory-effect-of-enoxacin-on-babesia-and-theileria-parasites" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/24342.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">468</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">124</span> Utilizing AI Green Grader Scope to Promote Environmental Responsibility Among University Students</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tarek%20Taha%20Kandil">Tarek Taha Kandil</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In higher education, the use of automated grading systems is on the rise, automating the assessment of students' work and providing practical feedback. Sustainable Grader Scope addresses the environmental impact of these computational tasks. This system uses an AI-powered algorithm and is designed to minimize grading process emissions. It reduces carbon emissions through energy-efficient computing and carbon-conscious scheduling. Students submit their computational workloads to the system, which evaluates submissions using containers and a distributed infrastructure. A carbon-conscious scheduler manages workloads across global campuses, optimizing emissions using real-time carbon intensity data. This ensures the university stays within government-set emission limits while tracking and reducing its carbon footprint. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=sustainability" title="sustainability">sustainability</a>, <a href="https://publications.waset.org/abstracts/search?q=green%20graders" title=" green graders"> green graders</a>, <a href="https://publications.waset.org/abstracts/search?q=digital%20sustainable%20grader%20scope" title=" digital sustainable grader scope"> digital sustainable grader scope</a>, <a href="https://publications.waset.org/abstracts/search?q=environmental%20responsibility%3B%20higher%20education." title=" environmental responsibility; higher education."> environmental responsibility; higher education.</a> </p> <a href="https://publications.waset.org/abstracts/194789/utilizing-ai-green-grader-scope-to-promote-environmental-responsibility-among-university-students" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/194789.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">2</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> Performance Evaluation of Routing Protocols for Video Conference over MPLS VPN Network</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abdullah%20Al%20Mamun">Abdullah Al Mamun</a>, <a href="https://publications.waset.org/abstracts/search?q=Tarek%20R.%20Sheltami"> Tarek R. Sheltami</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Video conferencing is a highly demanding facility now a days in order to its real time characteristics, but faster communication is the prior requirement of this technology. Multi Protocol Label Switching (MPLS) IP Virtual Private Network (VPN) address this problem and it is able to make a communication faster than others techniques. However, this paper studies the performance comparison of video traffic between two routing protocols namely the Enhanced Interior Gateway Protocol(EIGRP) and Open Shortest Path First (OSPF). The combination of traditional routing and MPLS improve the forwarding mechanism, scalability and overall network performance. We will use GNS3 and OPNET Modeler 14.5 to simulate many different scenarios and metrics such as delay, jitter and mean opinion score (MOS) value are measured. The simulation result will show that OSPF and BGP-MPLS VPN offers best performance for video conferencing application. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=OSPF" title="OSPF">OSPF</a>, <a href="https://publications.waset.org/abstracts/search?q=BGP" title=" BGP"> BGP</a>, <a href="https://publications.waset.org/abstracts/search?q=EIGRP" title=" EIGRP"> EIGRP</a>, <a href="https://publications.waset.org/abstracts/search?q=MPLS" title=" MPLS"> MPLS</a>, <a href="https://publications.waset.org/abstracts/search?q=Video%20conference" title=" Video conference"> Video conference</a>, <a href="https://publications.waset.org/abstracts/search?q=Provider%20router" title=" Provider router"> Provider router</a>, <a href="https://publications.waset.org/abstracts/search?q=edge%20router" title=" edge router"> edge router</a>, <a href="https://publications.waset.org/abstracts/search?q=layer3%20VPN" title=" layer3 VPN"> layer3 VPN</a> </p> <a href="https://publications.waset.org/abstracts/32093/performance-evaluation-of-routing-protocols-for-video-conference-over-mpls-vpn-network" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/32093.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">331</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> The Effect of Artificial Intelligence on Decoration Designs</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ayed%20Mouris%20Gad%20Elsayed%20Khalil">Ayed Mouris Gad Elsayed Khalil</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This research focuses on historical techniques associated with the Lajevardin and Haft-Rangi production methods in tile production, with particular attention to identifying techniques for applying gold leaf to the surface of these historical glazed tiles. In this context, the history of the production of glazed, gilded and glazed Lajevardin ceramics from the Khwarizmanshahid and Mongol periods (11th to 13th centuries) was first evaluated in order to better understand the context and history of the methods of historical enameling. After a historical overview of glazed ceramic production techniques and the adoption of these techniques by civilizations, we focused on the niche production methods of glazes and Lajevardin glazes, two categories of decoration commonly found on tiles. A general method for classifying the different types of gold tiles was then introduced, applicable to tiles from to the Safavid period (16th-17th centuries). These categories include gold glazed Lajevardina tiles, haft rangi gold tiles, gold glazed monolithic tiles and gold mosaic tiles. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ethnicity" title="ethnicity">ethnicity</a>, <a href="https://publications.waset.org/abstracts/search?q=multi-cultural" title=" multi-cultural"> multi-cultural</a>, <a href="https://publications.waset.org/abstracts/search?q=jewelry" title=" jewelry"> jewelry</a>, <a href="https://publications.waset.org/abstracts/search?q=craft%20techniquemycenaean" title=" craft techniquemycenaean"> craft techniquemycenaean</a>, <a href="https://publications.waset.org/abstracts/search?q=ceramic" title=" ceramic"> ceramic</a>, <a href="https://publications.waset.org/abstracts/search?q=provenance" title=" provenance"> provenance</a>, <a href="https://publications.waset.org/abstracts/search?q=pigmentAmorium" title=" pigmentAmorium"> pigmentAmorium</a>, <a href="https://publications.waset.org/abstracts/search?q=glass%20bracelets" title=" glass bracelets"> glass bracelets</a>, <a href="https://publications.waset.org/abstracts/search?q=image" title=" image"> image</a>, <a href="https://publications.waset.org/abstracts/search?q=Byzantine%20empire" title=" Byzantine empire"> Byzantine empire</a> </p> <a href="https://publications.waset.org/abstracts/184426/the-effect-of-artificial-intelligence-on-decoration-designs" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/184426.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">56</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> Determination of Frequency Relay Setting during Distributed Generators Islanding</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tarek%20Kandil">Tarek Kandil</a>, <a href="https://publications.waset.org/abstracts/search?q=Ameen%20Ali"> Ameen Ali</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Distributed generation (DG) has recently gained a lot of momentum in power industry due to market deregulation and environmental concerns. One of the most technical challenges facing DGs is islanding of distributed generators. The current industry practice is to disconnect all distributed generators immediately after the occurrence of islands within 200 to 350 ms after loss of main supply. To achieve such goal, each DG must be equipped with an islanding detection device. Frequency relays are one of the most commonly used loss of mains detection method. However, distribution utilities may be faced with concerns related to false operation of these frequency relays due to improper settings. The commercially available frequency relays are considering standard tight setting. This paper investigates some factors related to relays internal algorithm that contribute to their different operating responses. Further, the relay operation in the presence of multiple distributed at the same network is analyzed. Finally, the relay setting can be accurately determined based on these investigation and analysis. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=frequency%20relay" title="frequency relay">frequency relay</a>, <a href="https://publications.waset.org/abstracts/search?q=distributed%20generation" title=" distributed generation"> distributed generation</a>, <a href="https://publications.waset.org/abstracts/search?q=islanding%20detection" title=" islanding detection"> islanding detection</a>, <a href="https://publications.waset.org/abstracts/search?q=relay%20setting" title=" relay setting"> relay setting</a> </p> <a href="https://publications.waset.org/abstracts/18304/determination-of-frequency-relay-setting-during-distributed-generators-islanding" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/18304.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">534</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 Study on Vulnerability of Alahsa Governorate to Generate Urban Heat Islands</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ilham%20S.%20M.%20Elsayed">Ilham S. M. Elsayed</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The purpose of this study is to investigate Alahsa Governorate status and its vulnerability to generate urban heat islands. Alahsa Governorate is a famous oasis in the Arabic Peninsula including several oil centers. Extensive literature review was done to collect previous relative data on the urban heat island of Alahsa Governorate. Data used for the purpose of this research were collected from authorized bodies who control weather station networks over Alahsa Governorate, Eastern Province, Saudi Arabia. Although, the number of weather station networks within the region is very limited and the analysis using GIS software and its techniques is difficult and limited, the data analyzed confirm an increase in temperature for more than 2 °C from 2004 to 2014. Such increase is considerable whenever human health and comfort are the concern. The increase of temperature within one decade confirms the availability of urban heat islands. The study concludes that, Alahsa Governorate is vulnerable to create urban heat islands and more attention should be drawn to strategic planning of the governorate that is developing with a high pace and considerable increasing levels of urbanization. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Alahsa%20Governorate" title="Alahsa Governorate">Alahsa Governorate</a>, <a href="https://publications.waset.org/abstracts/search?q=population%20density" title=" population density"> population density</a>, <a href="https://publications.waset.org/abstracts/search?q=Urban%20Heat%20Island" title=" Urban Heat Island"> Urban Heat Island</a>, <a href="https://publications.waset.org/abstracts/search?q=weather%20station" title=" weather station"> weather station</a> </p> <a href="https://publications.waset.org/abstracts/60392/a-study-on-vulnerability-of-alahsa-governorate-to-generate-urban-heat-islands" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/60392.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">250</span> </span> </div> </div> <ul class="pagination"> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Tarek%20M.%20Elsayed&page=1" rel="prev">&lsaquo;</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Tarek%20M.%20Elsayed&page=1">1</a></li> <li class="page-item active"><span class="page-link">2</span></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Tarek%20M.%20Elsayed&page=3">3</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Tarek%20M.%20Elsayed&page=4">4</a></li> <li class="page-item"><a class="page-link" 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