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Abulibdeh</title> <meta name="description" content="Search results for: Ammar Abulibdeh"> <meta name="keywords" content="Ammar Abulibdeh"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none 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action="https://publications.waset.org/abstracts/search"> <div id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="Ammar Abulibdeh"> <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> 107</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Ammar Abulibdeh</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">107</span> The Effectiveness of Water Indices in Detecting Soil Moisture as an Indicator of Mudflow in Arid Regions</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zahraa%20Al%20Ali">Zahraa Al Ali</a>, <a href="https://publications.waset.org/abstracts/search?q=Ammar%20Abulibdeh"> Ammar Abulibdeh</a>, <a href="https://publications.waset.org/abstracts/search?q=Talal%20Al-Awadhi"> Talal Al-Awadhi</a>, <a href="https://publications.waset.org/abstracts/search?q=Midhun%20Mohan"> Midhun Mohan</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammed%20Al-Barwani"> Mohammed Al-Barwani</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammed%20Al-Barwani"> Mohammed Al-Barwani</a>, <a href="https://publications.waset.org/abstracts/search?q=Sara%20Al%20Nabbi"> Sara Al Nabbi</a>, <a href="https://publications.waset.org/abstracts/search?q=Meshal%20Abdullah"> Meshal Abdullah</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study aims to evaluate the performance and effectiveness of six spectral water indices - derived from Multispectral sentinel-2 data - to detect soil moisture and inundated area in arid regions to be used as an indicator of mudflow phenomena to predict high-risk areas. Herein, the validation of the performance of spectral indices was conducted using threshold method, spectral curve performance, and soil-line method. These indirect validation techniques play a key role in saving time, effort, and cost, particularly for large-scale and inaccessible areas. It was observed that the Normalized Difference Water Index (NDWI), Modified Normalized Difference Water Index (mNDWI), and RSWIR indices have the potential to detect soil moisture and inundated areas in arid regions. According to the temporal spectral curve performance, the spectral characteristics of water and soil moisture were distinct in the Near infrared (NIR), Short-wave Infrared (SWIR1,2) bands. However, the rate and degree differed between these bands, depending on the amount of water in the soil. Furthermore, the soil line method supported the appropriate selection of threshold values to detect soil moisture. However, the threshold values varied with location, time, season, and between indices. We concluded that considering the factors influencing the behavior of water and soil reflectivity could support decision-makers in identifying high-risk mudflow locations. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=spectral%20reflectance%20curve" title="spectral reflectance curve">spectral reflectance curve</a>, <a href="https://publications.waset.org/abstracts/search?q=soil-line%20method" title=" soil-line method"> soil-line method</a>, <a href="https://publications.waset.org/abstracts/search?q=spectral%20indices" title=" spectral indices"> spectral indices</a>, <a href="https://publications.waset.org/abstracts/search?q=Shaheen%20cyclone" title=" Shaheen cyclone"> Shaheen cyclone</a> </p> <a href="https://publications.waset.org/abstracts/173489/the-effectiveness-of-water-indices-in-detecting-soil-moisture-as-an-indicator-of-mudflow-in-arid-regions" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/173489.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">73</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">106</span> Modelling Asymmetric Magnetic Recording Heads with an Underlayer Using Superposition</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ammar%20Edress%20Mohamed">Ammar Edress Mohamed</a>, <a href="https://publications.waset.org/abstracts/search?q=Mustafa%20Aziz"> Mustafa Aziz</a>, <a href="https://publications.waset.org/abstracts/search?q=David%20Wright"> David Wright</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper analyses and calculates the head fields of asymmetrical 2D magnetic recording heads when the soft-underlayer is present using the appropriate Green's function to derive the surface potential/field by utilising the surface potential for asymmetrical head without underlayer. The results follow closely the corners, while the gap region shows a linear behaviour for d/g < 0.5 compared with the calculated fields from finite-element. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=magnetic%20recording" title="magnetic recording">magnetic recording</a>, <a href="https://publications.waset.org/abstracts/search?q=finite%20elements" title=" finite elements"> finite elements</a>, <a href="https://publications.waset.org/abstracts/search?q=asymmetrical%20magnetic%20heads" title=" asymmetrical magnetic heads"> asymmetrical magnetic heads</a>, <a href="https://publications.waset.org/abstracts/search?q=superposition" title=" superposition"> superposition</a>, <a href="https://publications.waset.org/abstracts/search?q=Laplace%27s%20equation" title=" Laplace's equation"> Laplace's equation</a> </p> <a href="https://publications.waset.org/abstracts/59303/modelling-asymmetric-magnetic-recording-heads-with-an-underlayer-using-superposition" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/59303.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">391</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">105</span> Exergetic Comparison between Three Configurations of Two Stage Vapor Compression Refrigeration Systems</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Wafa%20Halfaoui%20Mbarek">Wafa Halfaoui Mbarek</a>, <a href="https://publications.waset.org/abstracts/search?q=Khir%20Tahar"> Khir Tahar</a>, <a href="https://publications.waset.org/abstracts/search?q=Ben%20Brahim%20Ammar"> Ben Brahim Ammar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study reports a comparison from an exergetic point of view between three configurations of vapor compression industrial refrigeration systems operating with R134a as working fluid. The performances of the different cycles are analyzed as function of several operating parameters such as condensing temperature and inter stage pressure. In addition, the contributions of component exergy destruction to the total exergy destruction are obtained for each system. The results are estimated to be used in the selection of the most advantageous configuration from an exergetic view point. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=vapor%20compression" title="vapor compression">vapor compression</a>, <a href="https://publications.waset.org/abstracts/search?q=exergy" title=" exergy"> exergy</a>, <a href="https://publications.waset.org/abstracts/search?q=destruction" title=" destruction"> destruction</a>, <a href="https://publications.waset.org/abstracts/search?q=efficiency" title=" efficiency"> efficiency</a>, <a href="https://publications.waset.org/abstracts/search?q=R134a" title=" R134a"> R134a</a> </p> <a href="https://publications.waset.org/abstracts/39655/exergetic-comparison-between-three-configurations-of-two-stage-vapor-compression-refrigeration-systems" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/39655.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">385</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">104</span> New Standardized Framework for Developing Mobile Applications (Based On Real Case Studies and CMMI)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ammar%20Khader%20Almasri">Ammar Khader Almasri</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The software processes play a vital role for delivering a high quality software system that meets the user’s needs. There are many software development models which are used by most system developers, which can be categorized into two categories (traditional and new methodologies). Mobile applications like other desktop applications need appropriate and well-working software development process. Nevertheless, mobile applications have different features which limit their performance and efficiency like application size, mobile hardware features. Moreover, this research aims to help developers in using a standardized model for developing mobile applications. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=software%20development%20process" title="software development process">software development process</a>, <a href="https://publications.waset.org/abstracts/search?q=agile%20methods" title=" agile methods "> agile methods </a>, <a href="https://publications.waset.org/abstracts/search?q=moblile%20application%20development" title=" moblile application development"> moblile application development</a>, <a href="https://publications.waset.org/abstracts/search?q=traditional%20methods" title=" traditional methods"> traditional methods</a> </p> <a href="https://publications.waset.org/abstracts/35673/new-standardized-framework-for-developing-mobile-applications-based-on-real-case-studies-and-cmmi" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/35673.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">387</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">103</span> Thermo-Exergy Optimization of Gas Turbine Cycle with Two Different Regenerator Designs</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Saria%20Abed">Saria Abed</a>, <a href="https://publications.waset.org/abstracts/search?q=Tahar%20Khir"> Tahar Khir</a>, <a href="https://publications.waset.org/abstracts/search?q=Ammar%20Ben%20Brahim"> Ammar Ben Brahim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A thermo-exergy optimization of a gas turbine cycle with two different regenerator designs is established. A comparison was made between the performance of the two regenerators and their roles in improving the cycle efficiencies. The effect of operational parameters (the pressure ratio of the compressor, the ambient temperature, excess of air, geometric parameters of the regenerators, etc.) on thermal efficiencies, the exergy efficiencies, and irreversibilities were studied using thermal balances and quantitative exegetic equilibrium for each component and for the whole system. The results are given graphically by using the EES software, and an appropriate discussion and conclusion was made. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=exergy%20efficiency" title="exergy efficiency">exergy efficiency</a>, <a href="https://publications.waset.org/abstracts/search?q=gas%20turbine" title="gas turbine">gas turbine</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=irreversibility" title=" irreversibility"> irreversibility</a>, <a href="https://publications.waset.org/abstracts/search?q=optimization" title=" optimization"> optimization</a>, <a href="https://publications.waset.org/abstracts/search?q=regenerator" title=" regenerator"> regenerator</a>, <a href="https://publications.waset.org/abstracts/search?q=thermal%20efficiency" title=" thermal efficiency"> thermal efficiency</a> </p> <a href="https://publications.waset.org/abstracts/68679/thermo-exergy-optimization-of-gas-turbine-cycle-with-two-different-regenerator-designs" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/68679.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">451</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">102</span> Investigation of Main Operating Parameters Affecting Gas Turbine Efficiency and Gas Releases</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Farhat%20Hajer">Farhat Hajer</a>, <a href="https://publications.waset.org/abstracts/search?q=Khir%20Tahar"> Khir Tahar</a>, <a href="https://publications.waset.org/abstracts/search?q=Ammar%20Ben%20Brahim"> Ammar Ben Brahim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This work presents a study on the influence of the main operating variables on the gas turbine cycle. A numerical simulation of a gas turbine cycle is performed for a real net power of 100 MW. A calculation code is developed using EES software. The operating variables are taken in conformity with the local environmental conditions adopted by the Tunisian Society of Electricity and Gas. Results show that the increase of ambient temperature leads to an increase of Tpz and NO<sub>x</sub> emissions rate and a decrease of cycle efficiency and UHC emissions. The CO emissions decrease with the raise of residence time, while NO<sub>x</sub> emissions rate increases and UHC emissions rate decreases. Furthermore, both of cycle efficiency and NOx emissions increase with the increase of the pressure ratio. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Carbon%20monoxide" title="Carbon monoxide">Carbon monoxide</a>, <a href="https://publications.waset.org/abstracts/search?q=Efficiency" title=" Efficiency"> Efficiency</a>, <a href="https://publications.waset.org/abstracts/search?q=Emissions" title=" Emissions"> Emissions</a>, <a href="https://publications.waset.org/abstracts/search?q=Gas%20Turbine" title=" Gas Turbine"> Gas Turbine</a>, <a href="https://publications.waset.org/abstracts/search?q=Nox" title=" Nox"> Nox</a>, <a href="https://publications.waset.org/abstracts/search?q=UHC" title=" UHC"> UHC</a> </p> <a href="https://publications.waset.org/abstracts/69221/investigation-of-main-operating-parameters-affecting-gas-turbine-efficiency-and-gas-releases" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/69221.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">436</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">101</span> Ecorium: The Ecological Project in Montevideo Uruguay</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Chettou%20Souhaila">Chettou Souhaila</a>, <a href="https://publications.waset.org/abstracts/search?q=Soufi%20Omar"> Soufi Omar</a>, <a href="https://publications.waset.org/abstracts/search?q=Roumia%20Mohammed%20Ammar"> Roumia Mohammed Ammar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Protecting the environment is to preserve the survival and future of humanity. Indeed, the environment is our source of food and drinking water, the air is our source of oxygen, the climate allows our survival and biodiversity are a potential drug reservoir. Preserving the environment is, therefore, a matter of survival. The objective of this project is to familiarize the general public with environmental problems not only with the theme of environmental protection, but also with the concept of biodiversity in different ecosystems. For it, the aim of our project was to create the Ecorium which is a place that preserves many species of plants of different ecosystems, schools, malls, buildings, offices, ecological transports, gardens, and many familial activities that participated in the ecosystems development, strategic biodiversity and sustainable development. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ecological%20system" title="ecological system">ecological system</a>, <a href="https://publications.waset.org/abstracts/search?q=ecorium" title=" ecorium"> ecorium</a>, <a href="https://publications.waset.org/abstracts/search?q=environment" title=" environment"> environment</a>, <a href="https://publications.waset.org/abstracts/search?q=sustainable%20development" title=" sustainable development"> sustainable development</a> </p> <a href="https://publications.waset.org/abstracts/48357/ecorium-the-ecological-project-in-montevideo-uruguay" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/48357.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">339</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">100</span> Energy and Exergy Performance Optimization on a Real Gas Turbine Power Plant</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Farhat%20Hajer">Farhat Hajer</a>, <a href="https://publications.waset.org/abstracts/search?q=Khir%20Tahar"> Khir Tahar</a>, <a href="https://publications.waset.org/abstracts/search?q=Cherni%20Rafik"> Cherni Rafik</a>, <a href="https://publications.waset.org/abstracts/search?q=Dakhli%20Radhouen"> Dakhli Radhouen</a>, <a href="https://publications.waset.org/abstracts/search?q=Ammar%20Ben%20Brahim"> Ammar Ben Brahim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents the energy and exergy optimization of a real gas turbine power plant performance of 100 MW of power, installed in the South East of Tunisia. A simulation code is established using the EES (Engineering Equation Solver) software. The parameters considered are those of the actual operating conditions of the gas turbine thermal power station under study. The results show that thermal and exergetic efficiency decreases with the increase of the ambient temperature. Air excess has an important effect on the thermal efficiency. The emission of NOx rises in the summer and decreases in the winter. The obtained rates of NOx are compared with measurements results. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=efficiency" title="efficiency">efficiency</a>, <a href="https://publications.waset.org/abstracts/search?q=exergy" title=" exergy"> exergy</a>, <a href="https://publications.waset.org/abstracts/search?q=gas%20turbine" title=" gas turbine"> gas turbine</a>, <a href="https://publications.waset.org/abstracts/search?q=temperature" title=" temperature"> temperature</a> </p> <a href="https://publications.waset.org/abstracts/88904/energy-and-exergy-performance-optimization-on-a-real-gas-turbine-power-plant" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/88904.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">284</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">99</span> Control of Chaotic Behaviour in Parallel-Connected DC-DC Buck-Boost Converters</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ammar%20Nimer%20Natsheh">Ammar Nimer Natsheh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Chaos control is used to design a controller that is able to eliminate the chaotic behaviour of nonlinear dynamic systems that experience such phenomena. The paper describes the control of the bifurcation behaviour of a parallel-connected DC-DC buck-boost converter used to provide an interface between energy storage batteries and photovoltaic (PV) arrays as renewable energy sources. The paper presents a delayed feedback control scheme in a module converter comprises two identical buck-boost circuits and operates in the continuous-current conduction mode (CCM). MATLAB/SIMULINK simulation results show the effectiveness and robustness of the scheme. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=chaos" title="chaos">chaos</a>, <a href="https://publications.waset.org/abstracts/search?q=bifurcation" title=" bifurcation"> bifurcation</a>, <a href="https://publications.waset.org/abstracts/search?q=DC-DC%20Buck-Boost%20Converter" title=" DC-DC Buck-Boost Converter"> DC-DC Buck-Boost Converter</a>, <a href="https://publications.waset.org/abstracts/search?q=Delayed%20Feedback%20Control" title=" Delayed Feedback Control"> Delayed Feedback Control</a> </p> <a href="https://publications.waset.org/abstracts/45243/control-of-chaotic-behaviour-in-parallel-connected-dc-dc-buck-boost-converters" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/45243.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">439</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">98</span> Comparative Analysis of the Impact of Urbanization on Land Surface Temperature in the United Arab Emirates</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=A.%20O.%20Abulibdeh">A. O. Abulibdeh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of this study is to investigate and compare the changes in the Land Surface Temperature (LST) as a function of urbanization, particularly land use/land cover changes, in three cities in the UAE, mainly Abu Dhabi, Dubai, and Al Ain. The scale of this assessment will be at the macro- and micro-levels. At the macro-level, a comparative assessment will take place to compare between the four cities in the UAE. At the micro-level, the study will compare between the effects of different land use/land cover on the LST. This will provide a clear and quantitative city-specific information related to the relationship between urbanization and local spatial intra-urban LST variation in three cities in the UAE. The main objectives of this study are 1) to investigate the development of LST on the macro- and micro-level between and in three cities in the UAE over two decades time period, 2) to examine the impact of different types of land use/land cover on the spatial distribution of LST. Because these three cities are facing harsh arid climate, it is hypothesized that (1) urbanization is affecting and connected to the spatial changes in LST; (2) different land use/land cover have different impact on the LST; and (3) changes in spatial configuration of land use and vegetation concentration over time would control urban microclimate on a city scale and control macroclimate on the country scale. This study will be carried out over a 20-year period (1996-2016) and throughout the whole year. The study will compare between two distinct periods with different thermal characteristics which are the cool/cold period from November to March and warm/hot period between April and October. The best practice research method for this topic is to use remote sensing data to target different aspects of natural and anthropogenic systems impacts. The project will follow classical remote sensing and mapping techniques to investigate the impact of urbanization, mainly changes in land use/land cover, on LST. The investigation in this study will be performed in two stages. Stage one remote sensing data will be used to investigate the impact of urbanization on LST on a macroclimate level where the LST and Urban Heat Island (UHI) will be compared in the three cities using data from the past two decades. Stage two will investigate the impact on microclimate scale by investigating the LST and UHI using a particular land use/land cover type. In both stages, an LST and urban land cover maps will be generated over the study area. The outcome of this study should represent an important contribution to recent urban climate studies, particularly in the UAE. Based on the aim and objectives of this study, the expected outcomes are as follow: i) to determine the increase or decrease of LST as a result of urbanization in these four cities, ii) to determine the effect of different land uses/land covers on increasing or decreasing the LST. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=land%20use%2Fland%20cover" title="land use/land cover">land use/land cover</a>, <a href="https://publications.waset.org/abstracts/search?q=global%20warming" title=" global warming"> global warming</a>, <a href="https://publications.waset.org/abstracts/search?q=land%20surface%20temperature" title=" land surface temperature"> land surface temperature</a>, <a href="https://publications.waset.org/abstracts/search?q=remote%20sensing" title=" remote sensing"> remote sensing</a> </p> <a href="https://publications.waset.org/abstracts/91689/comparative-analysis-of-the-impact-of-urbanization-on-land-surface-temperature-in-the-united-arab-emirates" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/91689.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">248</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">97</span> Conjugate Free Convection in a Square Cavity Filled with Nanofluid and Heated from Below by Spatial Wall Temperature</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ishak%20Hashim">Ishak Hashim</a>, <a href="https://publications.waset.org/abstracts/search?q=Ammar%20Alsabery"> Ammar Alsabery</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The problem of conjugate free convection in a square cavity filled with nanofluid and heated from below by spatial wall temperature is studied numerically using the finite difference method. Water-based nanofluid with copper nanoparticles are chosen for the investigation. Governing equations are solved over a wide range of nanoparticle volume fraction (0 ≤ φ ≤ 0.2), wave number ((0 ≤ λ ≤ 4) and thermal conductivity ratio (0.44 ≤ Kr ≤ 6). The results presented for values of the governing parameters in terms of streamlines, isotherms and average Nusselt number. It is found that the flow behavior and the heat distribution are clearly enhanced with the increment of the non-uniform heating. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=conjugate%20free%20convection" title="conjugate free convection">conjugate free convection</a>, <a href="https://publications.waset.org/abstracts/search?q=square%20cavity" title=" square cavity"> square cavity</a>, <a href="https://publications.waset.org/abstracts/search?q=nanofluid" title=" nanofluid"> nanofluid</a>, <a href="https://publications.waset.org/abstracts/search?q=spatial%20temperature" title=" spatial temperature"> spatial temperature</a> </p> <a href="https://publications.waset.org/abstracts/46696/conjugate-free-convection-in-a-square-cavity-filled-with-nanofluid-and-heated-from-below-by-spatial-wall-temperature" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/46696.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">359</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">96</span> Synthesis and Characterization of Magnesium and Strontium Doped Sulphate-Hydroxyapatite</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ammar%20Z.%20Alshemary">Ammar Z. Alshemary</a>, <a href="https://publications.waset.org/abstracts/search?q=Yi-Fan%20Goh"> Yi-Fan Goh</a>, <a href="https://publications.waset.org/abstracts/search?q=Rafaqat%20Hussain"> Rafaqat Hussain</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Magnesium (Mg2+), strontium (Sr2+) and sulphate ions (SO42-) were successfully substituted into hydroxyapatite (Ca10-x-y MgxSry(PO4)6-z(SO4)zOH2-z) structure through ion exchange process at cationic and anionic sites. Mg2+and Sr2+ ions concentrations were varied between (0.00-0.10), keeping concentration of SO42- ions at z=0.05. [Mg (NO3)2], [Sr (NO3)2] and (Na2SO4) were used as Mg2+, Sr2+, and SO42- sources respectively. The synthesized white precipitate were subjected to heat treatment at 500ºC and finally characterized by X-ray diffraction (XRD) and Fourier Transform infra-red spectroscopy (FTIR). The results showed that the substitution of Mg2+, Sr2+ and SO42- ions into the HA lattice resulted in an increase in the broadness and reduction of XRD peaks. This confirmed that the crystallinity was reduced due to the substitution of ions. Similarly, FTIR result showed the effect of substitution on phosphate bands as well as exchange of hydroxyl group by SO42- ions to balance the charges on HA surface. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=hydroxyapatite" title="hydroxyapatite">hydroxyapatite</a>, <a href="https://publications.waset.org/abstracts/search?q=substitution" title=" substitution"> substitution</a>, <a href="https://publications.waset.org/abstracts/search?q=characterization" title=" characterization"> characterization</a>, <a href="https://publications.waset.org/abstracts/search?q=XRD" title=" XRD"> XRD</a>, <a href="https://publications.waset.org/abstracts/search?q=FTIR" title=" FTIR"> FTIR</a> </p> <a href="https://publications.waset.org/abstracts/14180/synthesis-and-characterization-of-magnesium-and-strontium-doped-sulphate-hydroxyapatite" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/14180.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">443</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">95</span> Economic Implications of the Arrival of Syrian Refugees in Jordan</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ammar%20Z.%20Alwrekiat">Ammar Z. Alwrekiat</a>, <a href="https://publications.waset.org/abstracts/search?q=Sara%20Ojeda%20Gonzalez"> Sara Ojeda Gonzalez</a>, <a href="https://publications.waset.org/abstracts/search?q=Maria%20Jose%20Miranda%20Martel"> Maria Jose Miranda Martel</a>, <a href="https://publications.waset.org/abstracts/search?q=Antonio%20Mihi-Ramirez"> Antonio Mihi-Ramirez</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper analyses the economic situation in Jordan, which has been the political asylum destination for Syrians since 2011. We analyze the effects of the Jordanian situation through the following indicators: international aid, gross domestic product, remittances, and unemployment. A correlation analysis has been used to identify the main connections of these parameters with the reception of refugees. Although the economic effects of Syrian refugees in Jordan are uncertain, it involves an important challenge in the development of migration policies. Jordan has a special economic situation and limited capacities, but the country has provided humanitarian assistance to Syrian refugees. In this case, the support of the international community is of particular importance, taking an important role in the negotiation of international agreements on refugees. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=correlation%20analysis" title="correlation analysis">correlation analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=economic%20implications" title=" economic implications"> economic implications</a>, <a href="https://publications.waset.org/abstracts/search?q=migration" title=" migration"> migration</a>, <a href="https://publications.waset.org/abstracts/search?q=refugees" title=" refugees"> refugees</a> </p> <a href="https://publications.waset.org/abstracts/135127/economic-implications-of-the-arrival-of-syrian-refugees-in-jordan" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/135127.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">252</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">94</span> The Legal Position of the Sporting Directors in Saudi Football Clubs</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ammar%20Alrefaei">Ammar Alrefaei</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Sporting directors in football clubs plays a prominent and important role in managing and controlling many issues related to the affairs of professional players. In view of this great importance of the role of the sporting directors, the Saudi regulation of the professional players and their transfers took over the organization and control of many aspects related to the conditions that must be met by the sporting director and the obligations that fall on his responsibility with the sport club or the Saudi Football Association. However, this regulation does not avoid ambiguity at times and shortcomings at other times in many places, as some of the texts contained in regulation raise many questions, some of which point out to the need to find more comprehensive and accurate treatment than those in the current regulations, accordingly this study comes to shed light on the aspects related to the sporting directors in sport clubs and the development of provisions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=professional%20contract" title="professional contract">professional contract</a>, <a href="https://publications.waset.org/abstracts/search?q=sporting%20directors" title=" sporting directors"> sporting directors</a>, <a href="https://publications.waset.org/abstracts/search?q=professional%20player" title=" professional player"> professional player</a>, <a href="https://publications.waset.org/abstracts/search?q=labor%20law" title=" labor law"> labor law</a> </p> <a href="https://publications.waset.org/abstracts/176507/the-legal-position-of-the-sporting-directors-in-saudi-football-clubs" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/176507.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">62</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">93</span> Dynamic Response and Damage Modeling of Glass Fiber Reinforced Epoxy Composite Pipes: Numerical Investigation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ammar%20Maziz">Ammar Maziz</a>, <a href="https://publications.waset.org/abstracts/search?q=Mostapha%20Tarfaoui"> Mostapha Tarfaoui</a>, <a href="https://publications.waset.org/abstracts/search?q=Said%20Rechak"> Said Rechak</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The high mechanical performance of composite pipes can be adversely affected by their low resistance to impact loads. Loads in dynamic origin are dangerous and cause consequences on the operation of pipes because the damage is often not detected and can affect the structural integrity of composite pipes. In this work, an advanced 3-D finite element (FE) model, based on the use of intralaminar damage models was developed and used to predict damage under low-velocity impact. The performance of the numerical model is validated with the confrontation with the results of experimental tests. The results show that at low impact energy, the damage happens mainly by matrix cracking and delamination. The model capabilities to simulate the low-velocity impact events on the full-scale composite structures were proved. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=composite%20materials" title="composite materials">composite materials</a>, <a href="https://publications.waset.org/abstracts/search?q=low%20velocity%20impact" title=" low velocity impact"> low velocity impact</a>, <a href="https://publications.waset.org/abstracts/search?q=FEA" title=" FEA"> FEA</a>, <a href="https://publications.waset.org/abstracts/search?q=dynamic%20behavior" title=" dynamic behavior"> dynamic behavior</a>, <a href="https://publications.waset.org/abstracts/search?q=progressive%20damage%20modeling" title=" progressive damage modeling"> progressive damage modeling</a> </p> <a href="https://publications.waset.org/abstracts/107609/dynamic-response-and-damage-modeling-of-glass-fiber-reinforced-epoxy-composite-pipes-numerical-investigation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/107609.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">172</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">92</span> Overhead Lines Induced Transient Overvoltage Analysis Using Finite Difference Time Domain Method</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abdi%20Ammar">Abdi Ammar</a>, <a href="https://publications.waset.org/abstracts/search?q=Ouazir%20Youcef"> Ouazir Youcef</a>, <a href="https://publications.waset.org/abstracts/search?q=Laissaoui%20Abdelmalek"> Laissaoui Abdelmalek</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this work, an approach based on transmission lines theory is presented. It is exploited for the calculation of overvoltage created by direct impacts of lightning waves on a guard cable of an overhead high-voltage line. First, we show the theoretical developments leading to the propagation equation, its discretization by finite difference time domain method (FDTD), and the resulting linear algebraic equations, followed by the calculation of the linear parameters of the line. The second step consists of solving the transmission lines system of equations by the FDTD method. This enabled us to determine the spatio-temporal evolution of the induced overvoltage. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=lightning%20surge" title="lightning surge">lightning surge</a>, <a href="https://publications.waset.org/abstracts/search?q=transient%20overvoltage" title=" transient overvoltage"> transient overvoltage</a>, <a href="https://publications.waset.org/abstracts/search?q=eddy%20current" title=" eddy current"> eddy current</a>, <a href="https://publications.waset.org/abstracts/search?q=FDTD" title=" FDTD"> FDTD</a>, <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=ground%20wire" title=" ground wire"> ground wire</a> </p> <a href="https://publications.waset.org/abstracts/175409/overhead-lines-induced-transient-overvoltage-analysis-using-finite-difference-time-domain-method" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/175409.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">83</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">91</span> Music Note Detection and Dictionary Generation from Music Sheet Using Image Processing Techniques</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Muhammad%20Ammar">Muhammad Ammar</a>, <a href="https://publications.waset.org/abstracts/search?q=Talha%20Ali"> Talha Ali</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdul%20Basit"> Abdul Basit</a>, <a href="https://publications.waset.org/abstracts/search?q=Bakhtawar%20Rajput"> Bakhtawar Rajput</a>, <a href="https://publications.waset.org/abstracts/search?q=Zobia%20Sohail"> Zobia Sohail</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Music note detection is an area of study for the past few years and has its own influence in music file generation from sheet music. We proposed a method to detect music notes on sheet music using basic thresholding and blob detection. Subsequently, we created a notes dictionary using a semi-supervised learning approach. After notes detection, for each test image, the new symbols are added to the dictionary. This makes the notes detection semi-automatic. The experiments are done on images from a dataset and also on the captured images. The developed approach showed almost 100% accuracy on the dataset images, whereas varying results have been seen on captured images. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=music%20note" title="music note">music note</a>, <a href="https://publications.waset.org/abstracts/search?q=sheet%20music" title=" sheet music"> sheet music</a>, <a href="https://publications.waset.org/abstracts/search?q=optical%20music%20recognition" title=" optical music recognition"> optical music recognition</a>, <a href="https://publications.waset.org/abstracts/search?q=blob%20detection" title=" blob detection"> blob detection</a>, <a href="https://publications.waset.org/abstracts/search?q=thresholding" title=" thresholding"> thresholding</a>, <a href="https://publications.waset.org/abstracts/search?q=dictionary%20generation" title=" dictionary generation"> dictionary generation</a> </p> <a href="https://publications.waset.org/abstracts/133670/music-note-detection-and-dictionary-generation-from-music-sheet-using-image-processing-techniques" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/133670.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">181</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">90</span> Deep-Learning Based Approach to Facial Emotion Recognition through Convolutional Neural Network</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nouha%20Khediri">Nouha Khediri</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammed%20Ben%20Ammar"> Mohammed Ben Ammar</a>, <a href="https://publications.waset.org/abstracts/search?q=Monji%20Kherallah"> Monji Kherallah</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Recently, facial emotion recognition (FER) has become increasingly essential to understand the state of the human mind. Accurately classifying emotion from the face is a challenging task. In this paper, we present a facial emotion recognition approach named CV-FER, benefiting from deep learning, especially CNN and VGG16. First, the data is pre-processed with data cleaning and data rotation. Then, we augment the data and proceed to our FER model, which contains five convolutions layers and five pooling layers. Finally, a softmax classifier is used in the output layer to recognize emotions. Based on the above contents, this paper reviews the works of facial emotion recognition based on deep learning. Experiments show that our model outperforms the other methods using the same FER2013 database and yields a recognition rate of 92%. We also put forward some suggestions for future work. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=CNN" title="CNN">CNN</a>, <a href="https://publications.waset.org/abstracts/search?q=deep-learning" title=" deep-learning"> deep-learning</a>, <a href="https://publications.waset.org/abstracts/search?q=facial%20emotion%20recognition" title=" facial emotion recognition"> facial emotion recognition</a>, <a href="https://publications.waset.org/abstracts/search?q=machine%20learning" title=" machine learning"> machine learning</a> </p> <a href="https://publications.waset.org/abstracts/150291/deep-learning-based-approach-to-facial-emotion-recognition-through-convolutional-neural-network" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/150291.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">95</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">89</span> Numerical Study of Fiber Bragg Grating Sensor: Longitudinal and Transverse Detection of Temperature and Strain</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=K.%20Khelil">K. Khelil</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20Ammar"> H. Ammar</a>, <a href="https://publications.waset.org/abstracts/search?q=K.%20Saouchi"> K. Saouchi </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Fiber Bragg Grating (FBG) structure is an periodically modulated optical fiber. It acts as a selective filter of wavelength whose reflected peak is called Bragg wavelength and it depends on the period of the fiber and the refractive index. The simulation of FBG is based on solving the Coupled Mode Theory equation by using the Transfer Matrix Method which is carried out using MATLAB. It is found that spectral reflectivity is shifted when the change of temperature and strain is uniform. Under non-uniform temperature or strain perturbation, the spectrum is both shifted and destroyed. In case of transverse loading, reflectivity spectrum is split into two peaks, the first is specific to X axis, and the second belongs to Y axis. FBGs are used in civil engineering to detect perturbations applied to buildings. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Bragg%20wavelength" title="Bragg wavelength">Bragg wavelength</a>, <a href="https://publications.waset.org/abstracts/search?q=coupled%20mode%20theory" title=" coupled mode theory"> coupled mode theory</a>, <a href="https://publications.waset.org/abstracts/search?q=optical%20fiber" title=" optical fiber"> optical fiber</a>, <a href="https://publications.waset.org/abstracts/search?q=temperature%20measurement" title=" temperature measurement"> temperature measurement</a> </p> <a href="https://publications.waset.org/abstracts/80169/numerical-study-of-fiber-bragg-grating-sensor-longitudinal-and-transverse-detection-of-temperature-and-strain" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/80169.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">494</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">88</span> Performance of an Absorption Refrigerator Using a Solar Thermal Collector</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abir%20Hmida">Abir Hmida</a>, <a href="https://publications.waset.org/abstracts/search?q=Nihel%20Chekir"> Nihel Chekir</a>, <a href="https://publications.waset.org/abstracts/search?q=Ammar%20Ben%20Brahim"> Ammar Ben Brahim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the present paper, we investigate the feasibility of a thermal solar driven cold room in Gabes, southern region of Tunisia. The cold room of 109 m<sup>3</sup> is refrigerated using an ammonia absorption machine. It is destined to preserve dates during the hot months of the year. A detailed study of the cold room leads previously to the estimation of the cooling load of the proposed storage room in the operating conditions of the region. The next step consists of the estimation of the required heat in the generator of the absorption machine to ensure the desired cold temperature. A thermodynamic analysis was accomplished and complete description of the system is determined. We propose, here, to provide the needed heat thermally from the sun by using vacuum tube collectors. We found that at least 21m² of solar collectors are necessary to accomplish the work of the solar cold room. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=absorption" title="absorption">absorption</a>, <a href="https://publications.waset.org/abstracts/search?q=ammonia" title=" ammonia"> ammonia</a>, <a href="https://publications.waset.org/abstracts/search?q=cold%20room" title=" cold room"> cold room</a>, <a href="https://publications.waset.org/abstracts/search?q=solar%20collector" title=" solar collector"> solar collector</a>, <a href="https://publications.waset.org/abstracts/search?q=vacuum%20tube" title=" vacuum tube"> vacuum tube</a> </p> <a href="https://publications.waset.org/abstracts/99221/performance-of-an-absorption-refrigerator-using-a-solar-thermal-collector" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/99221.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">174</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">87</span> Mathematical Modeling of Carotenoids and Polyphenols Content of Faba Beans (Vicia faba L.) during Microwave Treatments</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ridha%20Fethi%20Mechlouch">Ridha Fethi Mechlouch</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahlem%20Ayadi"> Ahlem Ayadi</a>, <a href="https://publications.waset.org/abstracts/search?q=Ammar%20Ben%20Brahim"> Ammar Ben Brahim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Given the importance of the preservation of polyphenols and carotenoids during thermal processing, we attempted in this study to investigate the variation of these two parameters in faba beans during microwave treatment using different power densities (1; 2; and 3W/g), then to perform a mathematical modeling by using non-linear regression analysis to evaluate the models constants. The variation of the carotenoids and polyphenols ratio of faba beans and the models are tested to validate the experimental results. Exponential models were found to be suitable to describe the variation of caratenoid ratio (R²= 0.945, 0.927 and 0.946) for power densities (1; 2; and 3W/g) respectively, and polyphenol ratio (R²= 0.931, 0.989 and 0.982) for power densities (1; 2; and 3W/g) respectively. The effect of microwave power density Pd(W/g) on the coefficient k of models were also investigated. The coefficient is highly correlated (R² = 1) and can be expressed as a polynomial function. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=microwave%20treatment" title="microwave treatment">microwave treatment</a>, <a href="https://publications.waset.org/abstracts/search?q=power%20density" title=" power density"> power density</a>, <a href="https://publications.waset.org/abstracts/search?q=carotenoid" title=" carotenoid"> carotenoid</a>, <a href="https://publications.waset.org/abstracts/search?q=polyphenol" title=" polyphenol"> polyphenol</a>, <a href="https://publications.waset.org/abstracts/search?q=modeling" title=" modeling"> modeling</a> </p> <a href="https://publications.waset.org/abstracts/42759/mathematical-modeling-of-carotenoids-and-polyphenols-content-of-faba-beans-vicia-faba-l-during-microwave-treatments" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/42759.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">259</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">86</span> Faulty Sensors Detection in Planar Array Antenna Using Pelican Optimization Algorithm</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Shafqat%20Ullah%20Khan">Shafqat Ullah Khan</a>, <a href="https://publications.waset.org/abstracts/search?q=Ammar%20Nasir"> Ammar Nasir</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Using planar antenna array (PAA) in radars, Broadcasting, satellite antennas, and sonar for the detection of targets, Helps provide instant beam pattern control. High flexibility and Adaptability are achieved by multiple beam steering by using a Planar array and are particularly needed in real-life Sanrio’s where the need arises for several high-directivity beams. Faulty sensors in planar arrays generate asymmetry, which leads to service degradation, radiation pattern distortion, and increased levels of sidelobe. The POA, a nature-inspired optimization algorithm, accurately determines faulty sensors within an array, enhancing the reliability and performance of planar array antennas through extensive simulations and experiments. The analysis was done for different types of faults in 7 x 7 and 8 x 8 planar arrays in MATLAB. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Planar%20antenna%20array" title="Planar antenna array">Planar antenna array</a>, <a href="https://publications.waset.org/abstracts/search?q=" title=""></a>, <a href="https://publications.waset.org/abstracts/search?q=Pelican%20optimisation%20Algorithm" title=" Pelican optimisation Algorithm"> Pelican optimisation Algorithm</a>, <a href="https://publications.waset.org/abstracts/search?q=" title=""></a>, <a href="https://publications.waset.org/abstracts/search?q=Faculty%20sensor" title=" Faculty sensor"> Faculty sensor</a>, <a href="https://publications.waset.org/abstracts/search?q=Antenna%20arrays" title=" Antenna arrays"> Antenna arrays</a> </p> <a href="https://publications.waset.org/abstracts/186381/faulty-sensors-detection-in-planar-array-antenna-using-pelican-optimization-algorithm" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/186381.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">80</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">85</span> Effect of Highly Pressurized Dispersion Arc Nozzle on Breakup of Oil Leakage in Offshore</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=N.%20M.%20M.%20Ammar">N. M. M. Ammar</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20M.%20Mustaqim"> S. M. Mustaqim</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20M.%20Nadzir"> N. M. Nadzir</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The most important problem occurs on oil spills in sea water is to reduce the oil spills size. This study deals with the development of high pressurized nozzle using dispersion method for oil leakage in offshore. 3D numerical simulation results were obtained using ANSYS Fluent 13.0 code and correlate with the experimental data for validation. This paper studies the contribution of the process on flow speed and pressure of the flow from two different geometrical designs of nozzles and to generate a spray pattern suitable for dispersant application. Factor of size distribution of droplets generated by the nozzle is calculated using pressures ranging from 2 to 6 bars. Results obtain from both analyses shows a significant spray pattern and flow distribution as well as distance. Results also show a significant contribution on the effect of oil leakage in terms of the diameter of the oil spills break up. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=arc%20nozzle" title="arc nozzle">arc nozzle</a>, <a href="https://publications.waset.org/abstracts/search?q=CFD%20simulation" title=" CFD simulation"> CFD simulation</a>, <a href="https://publications.waset.org/abstracts/search?q=droplets" title=" droplets"> droplets</a>, <a href="https://publications.waset.org/abstracts/search?q=oil%20spills" title=" oil spills"> oil spills</a> </p> <a href="https://publications.waset.org/abstracts/8542/effect-of-highly-pressurized-dispersion-arc-nozzle-on-breakup-of-oil-leakage-in-offshore" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/8542.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">417</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">84</span> Iraq Water Resources Planning: Perspectives and Prognoses</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nadhir%20Al-Ansari">Nadhir Al-Ansari</a>, <a href="https://publications.waset.org/abstracts/search?q=Ammar%20A.%20Ali"> Ammar A. Ali</a>, <a href="https://publications.waset.org/abstracts/search?q=Sven%20Knutsson"> Sven Knutsson</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Iraq is located in the Middle East. It covers an area of 433,970 square kilometres populated by about 32 million inhabitants. Iraq greatly relies in its water resources on the Tigris and Euphrates Rivers. Recently, Iraq is suffering from water shortage problems. This is due to external and internal factors. The former includes global warming and water resources policies of neighbouring countries while the latter includes mismanagement of its water resources. The supply and demand are predicted to be 43 and 66.8 Billion Cubic Meters (BCM) respectively in 2015, while in 2025 it will be 17.61 and 77 BCM respectively. In addition, future prediction suggests that Tigris and Euphrates Rivers will be completely dry in 2040. To overcome this problem, prudent water management policies are to be adopted. This includes Strategic Water Management Vision, development of irrigation techniques, reduction of water losses, use of non-conventional water resources and research and development planning. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Iraq" title="Iraq">Iraq</a>, <a href="https://publications.waset.org/abstracts/search?q=Tigris%20River" title=" Tigris River"> Tigris River</a>, <a href="https://publications.waset.org/abstracts/search?q=Euphrates%20River" title=" Euphrates River"> Euphrates River</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20scarcity" title=" water scarcity"> water scarcity</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20resources%20management" title=" water resources management"> water resources management</a> </p> <a href="https://publications.waset.org/abstracts/13502/iraq-water-resources-planning-perspectives-and-prognoses" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/13502.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">449</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">83</span> How COVID 19 Changed Policy Makers Behavior toward Environmental Policy</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ammar%20Alrefaei">Ammar Alrefaei</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The COVID-19 pandemic changed human life. The vast majority of the COVID effect was on the healthcare sector, but its impact on the global economy cannot be denied. In the field of environment, the pandemic may have a more significant impact on the environment than all environmental activity and policies of recent years. The pandemic consequences for the environment may be far more unpredictable than one might assume. In view of this, it is imperative for legislators from different states to be prepared to apply adequate measures to counteract such consequences. This article aimed to examine the obstacles to implementing effective environmental policies after the COVID-19 pandemic using different examples from different countries. Also, how adopting new initiatives, such as the Saudi Green Initiative and the Middle East Green Initiative, can help policymakers and legislators adopt new laws and policies. In addition, this paper reviewed the developing dangers to environmental protection after the pandemic and analyzed the major challenges to instrument active environmental policies during COVID-19 and in the world after COVID. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=environmental%20policy" title="environmental policy">environmental policy</a>, <a href="https://publications.waset.org/abstracts/search?q=environment%20law" title=" environment law"> environment law</a>, <a href="https://publications.waset.org/abstracts/search?q=green%20initiative" title=" green initiative"> green initiative</a>, <a href="https://publications.waset.org/abstracts/search?q=COVID%2019" title=" COVID 19"> COVID 19</a> </p> <a href="https://publications.waset.org/abstracts/161758/how-covid-19-changed-policy-makers-behavior-toward-environmental-policy" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/161758.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">112</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">82</span> In Silico Study of the Biological and Pharmacological Activity of Nigella sativa</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ammar%20Ouahab">Ammar Ouahab</a>, <a href="https://publications.waset.org/abstracts/search?q=Meriem%20Houichi"> Meriem Houichi </a>, <a href="https://publications.waset.org/abstracts/search?q=Sanna%20Mihoubi"> Sanna Mihoubi </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: Nigella sativa is an annual flowering plant, belongs to the Ranunculaceae family. It has many pharmacological activities such as anti-inflammatory; anti-bacterial; anti-hepatotoxic activities etc. Materials: In order to predict the pharmacological activity of Nigella Sativa’s compounds, some web based servers were used, namely, PubChem, Molinspiration, ADMET-SAR, PASS online and PharMapper. In addition to that, AutoDOCK was used to investigate the different molecular interactions between the selected compounds and their target proteins. Results: All compounds displayed a stable interaction with their targets and satisfactory binding energies, which means that they are active on their targets. Conclusion: Nigella sativa is an effective medicinal plant that has several ethno-medical uses; the latter uses are proven herein via an in-silico study of their pharmacological activities. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nigella%20sativa" title="Nigella sativa">Nigella sativa</a>, <a href="https://publications.waset.org/abstracts/search?q=AutoDOCK" title=" AutoDOCK"> AutoDOCK</a>, <a href="https://publications.waset.org/abstracts/search?q=PubChem" title=" PubChem"> PubChem</a>, <a href="https://publications.waset.org/abstracts/search?q=Molinspiration" title=" Molinspiration"> Molinspiration</a>, <a href="https://publications.waset.org/abstracts/search?q=ADMET-SAR" title=" ADMET-SAR"> ADMET-SAR</a>, <a href="https://publications.waset.org/abstracts/search?q=PharMapper" title=" PharMapper"> PharMapper</a>, <a href="https://publications.waset.org/abstracts/search?q=PASS%20online%20server" title=" PASS online server"> PASS online server</a>, <a href="https://publications.waset.org/abstracts/search?q=docking" title=" docking"> docking</a> </p> <a href="https://publications.waset.org/abstracts/108503/in-silico-study-of-the-biological-and-pharmacological-activity-of-nigella-sativa" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/108503.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">133</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">81</span> First Principal Calculation of Structural, Elastic and Thermodynamic Properties of Yttrium-Copper Intermetallic Compound</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ammar%20Benamrani">Ammar Benamrani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This work investigates the equation of state parameters, elastic constants, and several other physical properties of (B2-type) Yttrium-Copper (YCu) rare earth intermetallic compound using the projected augmented wave (PAW) pseudopotentials method as implemented in the Quantum Espresso code. Using both the local density approximation (LDA) and the generalized gradient approximation (GGA), the finding of this research on the lattice parameter of YCu intermetallic compound agree very well with the experimental ones. The obtained results of the elastic constants and the Debye temperature are also in general in good agreement compared to the theoretical ones reported previously in literature. Furthermore, several thermodynamic properties of YCu intermetallic compound have been studied using quasi-harmonic approximations (QHA). The calculated data on the thermodynamic properties shows that the free energy and both isothermal and adiabatic bulk moduli decrease gradually with increasing of the temperature, while all other thermodynamic quantities increase with the temperature. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yttrium-Copper%20intermetallic%20compound" title="Yttrium-Copper intermetallic compound">Yttrium-Copper intermetallic compound</a>, <a href="https://publications.waset.org/abstracts/search?q=thermo_pw%20package" title=" thermo_pw package"> thermo_pw package</a>, <a href="https://publications.waset.org/abstracts/search?q=elastic%20constants" title=" elastic constants"> elastic constants</a>, <a href="https://publications.waset.org/abstracts/search?q=thermodynamic%20properties" title=" thermodynamic properties"> thermodynamic properties</a> </p> <a href="https://publications.waset.org/abstracts/132557/first-principal-calculation-of-structural-elastic-and-thermodynamic-properties-of-yttrium-copper-intermetallic-compound" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/132557.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">149</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">80</span> Synthesis and Characterization of Chromenoformimidate</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Houcine%20Ammar">Houcine Ammar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Chromenederivatives are an important class of heterocycles that are found in a wide range of natural products. Chromenes are commonly used as cosmetics, food additives, and possibly biodegradable agrochemicals. Recently, the synthesis of chromene derivatives has drawn more attention due to their pharmacological and biological applications. In the present work, we are interested in the synthesis and characterization of chromeno [2,3-b] pyridin-4-yl) formimidate, carried out in 4 steps: (i) the synthesis of 3-cyanoiminocoumarins is realized first by Knœvenagel reaction by reacting malonitrile with variously substituted o-phenolic benzaldehydes. In order to undergo reduction by sodium tetraborohydride NaBH4 to lead to new 2-amino-3-cyano-4H-chromenes, these compounds were easily transformed by the action of malonitrile leading to 2,4-diamino-5H-chromeno [2,3-b] pyridine-3-carbonitrile under microwave activation. For the final step, the action of triethylorthoformate on 2,4-diamino-5H-chromeno [2,3-b] pyridine-3-carbonitrile leads to new chromeno [2,3-b] pyridinheterocycles. -4-yl) formimidate. The synthesized compounds have been characterized by different spectroscopic techniques 1 H-NMR, 13 C-NMR, and IRTF. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=chromene" title="chromene">chromene</a>, <a href="https://publications.waset.org/abstracts/search?q=microwave" title=" microwave"> microwave</a>, <a href="https://publications.waset.org/abstracts/search?q=knovenagel%20condensation" title=" knovenagel condensation"> knovenagel condensation</a>, <a href="https://publications.waset.org/abstracts/search?q=chromeno%20%5B2" title=" chromeno [2"> chromeno [2</a>, <a href="https://publications.waset.org/abstracts/search?q=3-b%5D%20pyridine" title=" 3-b] pyridine"> 3-b] pyridine</a> </p> <a href="https://publications.waset.org/abstracts/157864/synthesis-and-characterization-of-chromenoformimidate" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/157864.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">92</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">79</span> Performance Assessment of Islamic Banks in the Light of Maqasid Al-Shariah</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Asma%20Ammar">Asma Ammar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Being different in theory and practice from their conventional counterparts, this research aims to assess the performance of Islamic banks beyond the financial performance by emphasizing their ethical and social identity based on the higher purposes of Islamic law, namely Maqasid al-Shariah. Using Imam al-Ghazali’s theory of Maqasid al-Shariah and Sekaran’s (2000) method, we develop a Maqasid-based index including the five objectives of Shariah (preservation of life, religion, intellect, posterity, and wealth). Our sample covers 9 Islamic banks considered among the largest Islamic banks in the world. For the five years of study (2017-2021), our results reveal that the highest score is performed by Bank Muamalat while the least score is given to Dubai Islamic Bank. The overall Maqasid performance of the sample is unimpressive, indicating that there is a lack of achievement in Maqasid al-Shariah performance of Islamic banks. Consequently, serious measures should be taken by Islamic banks to improve their Maqasid performance and thus contribute effectively to the socio-economic development of the countries in which they operate. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Maqasid%20al-Shariah" title="Maqasid al-Shariah">Maqasid al-Shariah</a>, <a href="https://publications.waset.org/abstracts/search?q=Maqasid%20al-Shariah%20index" title=" Maqasid al-Shariah index"> Maqasid al-Shariah index</a>, <a href="https://publications.waset.org/abstracts/search?q=Islamic%20banks" title=" Islamic banks"> Islamic banks</a>, <a href="https://publications.waset.org/abstracts/search?q=performance%20assessment" title=" performance assessment"> performance assessment</a> </p> <a href="https://publications.waset.org/abstracts/163513/performance-assessment-of-islamic-banks-in-the-light-of-maqasid-al-shariah" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/163513.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">76</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">78</span> Adsorption of Phenolic Compounds on Activated Carbon DSAC36-24</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Khaoula%20Hidouri">Khaoula Hidouri</a>, <a href="https://publications.waset.org/abstracts/search?q=Ali%20Benhmidene"> Ali Benhmidene</a>, <a href="https://publications.waset.org/abstracts/search?q=Bechir%20Chouachi"> Bechir Chouachi</a>, <a href="https://publications.waset.org/abstracts/search?q=Dhananjay%20R.%20Mishra"> Dhananjay R. Mishra</a>, <a href="https://publications.waset.org/abstracts/search?q=Ammar%20Houas"> Ammar Houas </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Activated carbon DSAC36-24 iy is adsorbent materials, characterized by a specific surface area of 548.13 m²g⁻¹. Their manufacture uses the natural raw materials like the nucleus of dates. In this study the treatment is done in two stages: A chemical treatment by H<sub>3</sub>PO<sub>4</sub> followed by a physical treatment under nitrogen for 1 hour then under stream of CO<sub>2</sub> for 24 hours. A characterization of the various parameters was determined such as the measurement of the specific surface area, determination of pHPZC, bulk density, iodine value. The study of the adsorption of organic molecules (hydroquinone, paranitrophenol, 2,4-dinitrophenol, 2,4,6-trinitrophenol) indicates that the adsorption phenomena are essentially due to the van der Waals interaction. In the case of organic molecules carrying the polar substituents, the existence of hydrogen bonds is also proved by the donor-acceptor forces. The study of the pH effect was done with modeling by different models (Langmuir, Freundlich, Langmuir-Freundlich, Redlich-Peterson), a kinetic treatment is also followed by the application of Lagergren, Weber, Macky. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=adsoprtion%20ishoterms" title="adsoprtion ishoterms">adsoprtion ishoterms</a>, <a href="https://publications.waset.org/abstracts/search?q=adsorption%20kinetics" title=" adsorption kinetics"> adsorption kinetics</a>, <a href="https://publications.waset.org/abstracts/search?q=DSAC36-24" title=" DSAC36-24"> DSAC36-24</a>, <a href="https://publications.waset.org/abstracts/search?q=organic%20molecule" title=" organic molecule"> organic molecule</a> </p> <a href="https://publications.waset.org/abstracts/70701/adsorption-of-phenolic-compounds-on-activated-carbon-dsac36-24" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/70701.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">279</span> </span> </div> </div> <ul class="pagination"> <li class="page-item disabled"><span class="page-link">&lsaquo;</span></li> <li class="page-item active"><span class="page-link">1</span></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Ammar%20Abulibdeh&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Ammar%20Abulibdeh&page=3">3</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Ammar%20Abulibdeh&page=4">4</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Ammar%20Abulibdeh&page=2" rel="next">&rsaquo;</a></li> </ul> </div> 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