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Yavari</title> <meta name="description" content="Search results for: Arash Yavari"> <meta name="keywords" content="Arash Yavari"> <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 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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="Arash Yavari"> <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> 80</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Arash Yavari</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">80</span> Finite Eigenstrains in Nonlinear Elastic Solid Wedges</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ashkan%20Golgoon">Ashkan Golgoon</a>, <a href="https://publications.waset.org/abstracts/search?q=Souhayl%20Sadik"> Souhayl Sadik</a>, <a href="https://publications.waset.org/abstracts/search?q=Arash%20Yavari"> Arash Yavari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Eigenstrains in nonlinear solids are created due to anelastic effects such as non-uniform temperature distributions, growth, remodeling, and defects. Eigenstrains understanding is indispensable, as they can generate residual stresses and strongly affect the overall response of solids. Here, we study the residual stress and deformation fields of an incompressible isotropic infinite wedge with a circumferentially-symmetric distribution of finite eigenstrains. We construct a material manifold, whose Riemannian metric explicitly depends on the eigenstrain distribution, thereby we turn the problem into a classical nonlinear elasticity problem, where we find an embedding of the Riemannian material manifold into the ambient Euclidean space. In particular, we find exact solutions for the residual stress and deformation fields of a neo-Hookean wedge having a symmetric inclusion with finite radial and circumferential eigenstrains. Moreover, we numerically solve a similar problem when a symmetric Mooney-Rivlin inhomogeneity with finite eigenstrains is placed in a neo-Hookean wedge. Generalization of the eigenstrain problem to other geometries are also discussed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=finite%20eigenstrains" title="finite eigenstrains">finite eigenstrains</a>, <a href="https://publications.waset.org/abstracts/search?q=geometric%20mechanics" title=" geometric mechanics"> geometric mechanics</a>, <a href="https://publications.waset.org/abstracts/search?q=inclusion" title=" inclusion"> inclusion</a>, <a href="https://publications.waset.org/abstracts/search?q=inhomogeneity" title=" inhomogeneity"> inhomogeneity</a>, <a href="https://publications.waset.org/abstracts/search?q=nonlinear%20elasticity" title=" nonlinear elasticity"> nonlinear elasticity</a> </p> <a href="https://publications.waset.org/abstracts/58993/finite-eigenstrains-in-nonlinear-elastic-solid-wedges" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/58993.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">255</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> Nonlinear Defects and Discombinations in Anisotropic Solids</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ashkan%20Golgoon">Ashkan Golgoon</a>, <a href="https://publications.waset.org/abstracts/search?q=Arash%20Yavari"> Arash Yavari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, we present some analytical solutions for the stress fields of nonlinear anisotropic solids with line and point defects distributions. In particular, we determine the induced stress fields of a parallel cylindrically-symmetric distribution of screw dislocations in infinite orthotropic and monoclinic media as well as a cylindrically-symmetric distribution of parallel wedge disclinations in an infinite orthotropic medium. For a given distribution of edge dislocations, the material manifold is constructed using Cartan's moving frames and the stress field is obtained assuming that the medium is orthotropic. Also, we consider a spherically-symmetric distribution of point defects in a transversely isotropic spherical ball. We show that for an arbitrary incompressible transversely isotropic ball with the radial material preferred direction, a uniform point defect distribution results in a uniform hydrostatic stress field inside the spherical region the distribution is supported in. Finally, we find the stresses induced by a discombination in an orthotropic medium. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=defects" title="defects">defects</a>, <a href="https://publications.waset.org/abstracts/search?q=disclinations" title=" disclinations"> disclinations</a>, <a href="https://publications.waset.org/abstracts/search?q=dislocations" title=" dislocations"> dislocations</a>, <a href="https://publications.waset.org/abstracts/search?q=monoclinic%20solids" title=" monoclinic solids"> monoclinic solids</a>, <a href="https://publications.waset.org/abstracts/search?q=nonlinear%20elasticity" title=" nonlinear elasticity"> nonlinear elasticity</a>, <a href="https://publications.waset.org/abstracts/search?q=orthotropic%20solids" title=" orthotropic solids"> orthotropic solids</a>, <a href="https://publications.waset.org/abstracts/search?q=transversely%20isotropic%20solids" title=" transversely isotropic solids"> transversely isotropic solids</a> </p> <a href="https://publications.waset.org/abstracts/88905/nonlinear-defects-and-discombinations-in-anisotropic-solids" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/88905.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">254</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> Uranium Adsorption Using a Composite Material Based on Platelet SBA-15 Supported Tin Salt Tungstomolybdophosphoric Acid</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=H.%20Aghayan">H. Aghayan</a>, <a href="https://publications.waset.org/abstracts/search?q=F.%20A.%20Hashemi"> F. A. Hashemi</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20Yavari"> R. Yavari</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Zolghadri"> S. Zolghadri</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this work, a new composite adsorbent based on a mesoporous silica SBA-15 with platelet morphology and tin salt of tungstomolybdophosphoric (TWMP) acid was synthesized and applied for uranium adsorption from aqueous solution. The sample was characterized by X-ray diffraction, Fourier transfer infra-red, and N<sub>2</sub> adsorption-desorption analysis, and then, effect of various parameters such as concentration of metal ions and contact time on adsorption behavior was examined. The experimental result showed that the adsorption process was explained by the Langmuir isotherm model very well, and predominant reaction mechanism is physisorption. Kinetic data of adsorption suggest that the adsorption process can be described by the pseudo second-order reaction rate model. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=platelet%20SBA-15" title="platelet SBA-15">platelet SBA-15</a>, <a href="https://publications.waset.org/abstracts/search?q=tungstomolybdophosphoric%20acid" title=" tungstomolybdophosphoric acid"> tungstomolybdophosphoric acid</a>, <a href="https://publications.waset.org/abstracts/search?q=adsorption" title=" adsorption"> adsorption</a>, <a href="https://publications.waset.org/abstracts/search?q=uranium%20ion" title=" uranium ion"> uranium ion</a> </p> <a href="https://publications.waset.org/abstracts/73436/uranium-adsorption-using-a-composite-material-based-on-platelet-sba-15-supported-tin-salt-tungstomolybdophosphoric-acid" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/73436.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">77</span> Influence of Insulation System Methods on Dissipation Factor and Voltage Endurance</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Farzad%20Yavari">Farzad Yavari</a>, <a href="https://publications.waset.org/abstracts/search?q=Hamid%20Chegini"> Hamid Chegini</a>, <a href="https://publications.waset.org/abstracts/search?q=Saeed%20Lotfi"> Saeed Lotfi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper reviews the comparison of Resin Rich (RR) and Vacuum Pressure Impregnation (VPI) insulation system qualities for stator bar of rotating electrical machines. Voltage endurance and tangent delta are two diagnostic tests to determine the quality of insulation systems. The paper describes the trend of dissipation factor while performing voltage endurance test for different stator bar samples made with RR and VPI insulation system methods. Some samples were made with the same strands and insulation thickness but with different main wall material to prove the influence of insulation system methods on stator bar quality. Also, some of the samples were subjected to voltage at the temperature of their insulation class, and their dissipation factor changes were measured and studied. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=VPI" title="VPI">VPI</a>, <a href="https://publications.waset.org/abstracts/search?q=resin%20rich" title=" resin rich"> resin rich</a>, <a href="https://publications.waset.org/abstracts/search?q=insulation" title=" insulation"> insulation</a>, <a href="https://publications.waset.org/abstracts/search?q=stator%20bar" title=" stator bar"> stator bar</a>, <a href="https://publications.waset.org/abstracts/search?q=dissipation%20factor" title=" dissipation factor"> dissipation factor</a>, <a href="https://publications.waset.org/abstracts/search?q=voltage%20endurance" title=" voltage endurance"> voltage endurance</a> </p> <a href="https://publications.waset.org/abstracts/104741/influence-of-insulation-system-methods-on-dissipation-factor-and-voltage-endurance" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/104741.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">198</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">76</span> Auto Calibration and Optimization of Large-Scale Water Resources Systems</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Arash%20Parehkar">Arash Parehkar</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Jamshid%20Mousavi"> S. Jamshid Mousavi</a>, <a href="https://publications.waset.org/abstracts/search?q=Shoubo%20Bayazidi"> Shoubo Bayazidi</a>, <a href="https://publications.waset.org/abstracts/search?q=Vahid%20Karami"> Vahid Karami</a>, <a href="https://publications.waset.org/abstracts/search?q=Laleh%20Shahidi"> Laleh Shahidi</a>, <a href="https://publications.waset.org/abstracts/search?q=Arash%20Azaranfar"> Arash Azaranfar</a>, <a href="https://publications.waset.org/abstracts/search?q=Ali%20Moridi"> Ali Moridi</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Shabakhti"> M. Shabakhti</a>, <a href="https://publications.waset.org/abstracts/search?q=Tayebeh%20Ariyan"> Tayebeh Ariyan</a>, <a href="https://publications.waset.org/abstracts/search?q=Mitra%20Tofigh"> Mitra Tofigh</a>, <a href="https://publications.waset.org/abstracts/search?q=Kaveh%20Masoumi"> Kaveh Masoumi</a>, <a href="https://publications.waset.org/abstracts/search?q=Alireza%20Motahari"> Alireza Motahari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Water resource systems modelling have constantly been a challenge through history for human being. As the innovative methodological development is evolving alongside computer sciences on one hand, researches are likely to confront more complex and larger water resources systems due to new challenges regarding increased water demands, climate change and human interventions, socio-economic concerns, and environment protection and sustainability. In this research, an automatic calibration scheme has been applied on the Gilan’s large-scale water resource model using mathematical programming. The water resource model’s calibration is developed in order to attune unknown water return flows from demand sites in the complex Sefidroud irrigation network and other related areas. The calibration procedure is validated by comparing several gauged river outflows from the system in the past with model results. The calibration results are pleasantly reasonable presenting a rational insight of the system. Subsequently, the unknown optimized parameters were used in a basin-scale linear optimization model with the ability to evaluate the system’s performance against a reduced inflow scenario in future. Results showed an acceptable match between predicted and observed outflows from the system at selected hydrometric stations. Moreover, an efficient operating policy was determined for Sefidroud dam leading to a minimum water shortage in the reduced inflow scenario. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=auto-calibration" title="auto-calibration">auto-calibration</a>, <a href="https://publications.waset.org/abstracts/search?q=Gilan" title=" Gilan"> Gilan</a>, <a href="https://publications.waset.org/abstracts/search?q=large-scale%20water%20resources" title=" large-scale water resources"> large-scale water resources</a>, <a href="https://publications.waset.org/abstracts/search?q=simulation" title=" simulation"> simulation</a> </p> <a href="https://publications.waset.org/abstracts/7091/auto-calibration-and-optimization-of-large-scale-water-resources-systems" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/7091.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">335</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">75</span> Comparison of Psychological Well-Being, Hope, and Health Concern in Leukemia Patients before and After Receiving Stem Cells</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tahereh%20Yavari">Tahereh Yavari</a>, <a href="https://publications.waset.org/abstracts/search?q=Sara%20Norozi%20Far"> Sara Norozi Far</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of this study was to compare psychological well-being, hope, and health concerns in leukemia patients before and after receiving stem cells. The statistical population of the present study was made up of leukemia patients in Tehran, and the research sample was among the patients referred to the Bone Marrow Transplant Center of Shariati Hospital in Tehran, and they were placed in two experimental and control groups (15 people in each group), which were selected by purposive sampling method. In order to collect the data for the research, three psychological well-being questionnaires were used by Riff (2002), Schneider's Hope Scale (SHS), and Schneider's Health Concern Questionnaire (HCQ). In order to analyze the data in this research, according to the "pre-test-post-test design with a control group," covariance analysis was used. Based on the research findings, it was concluded that receiving stem cells increases hope and psychological well-being in leukemia patients and significantly reduces health concerns. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=psychological%20well-being" title="psychological well-being">psychological well-being</a>, <a href="https://publications.waset.org/abstracts/search?q=hope" title=" hope"> hope</a>, <a href="https://publications.waset.org/abstracts/search?q=health%20concerns" title=" health concerns"> health concerns</a>, <a href="https://publications.waset.org/abstracts/search?q=blood%20cancer" title=" blood cancer"> blood cancer</a>, <a href="https://publications.waset.org/abstracts/search?q=stem%20cells" title=" stem cells"> stem cells</a> </p> <a href="https://publications.waset.org/abstracts/153809/comparison-of-psychological-well-being-hope-and-health-concern-in-leukemia-patients-before-and-after-receiving-stem-cells" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/153809.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">89</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">74</span> Numerical Investigation of Poling Vector Angle on Adaptive Sandwich Plate Deflection</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Alireza%20Pouladkhan">Alireza Pouladkhan</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Yavari%20Foroushani"> Mohammad Yavari Foroushani</a>, <a href="https://publications.waset.org/abstracts/search?q=Ali%20Mortazavi"> Ali Mortazavi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents a finite element model for a sandwich plate containing a piezoelectric core. A sandwich plate with a piezoelectric core is constructed using the shear mode of piezoelectric materials. The orientation of poling vector has a significant effect on deflection and stress induced in the piezo-actuated adaptive sandwich plate. In the present study, the influence of this factor for a clamped-clamped-free-free and simple-simple-free-free square sandwich plate is investigated using Finite Element Method. The study uses ABAQUS (v.6.7) software to derive the finite element model of the sandwich plate. By using this model, the study gives the influences of the poling vector angle on the response of the smart structure and determines the maximum transverse displacement and maximum stress induced. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=finite%20element%20method" title="finite element method">finite element method</a>, <a href="https://publications.waset.org/abstracts/search?q=sandwich%20plate" title=" sandwich plate"> sandwich plate</a>, <a href="https://publications.waset.org/abstracts/search?q=poling%20vector" title=" poling vector"> poling vector</a>, <a href="https://publications.waset.org/abstracts/search?q=piezoelectric%20materials" title=" piezoelectric materials"> piezoelectric materials</a>, <a href="https://publications.waset.org/abstracts/search?q=smart%20structure" title=" smart structure"> smart structure</a>, <a href="https://publications.waset.org/abstracts/search?q=electric%20enthalpy" title=" electric enthalpy"> electric enthalpy</a> </p> <a href="https://publications.waset.org/abstracts/6825/numerical-investigation-of-poling-vector-angle-on-adaptive-sandwich-plate-deflection" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/6825.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">233</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">73</span> Optical Fiber Data Throughput in a Quantum Communication System</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Arash%20Kosari">Arash Kosari</a>, <a href="https://publications.waset.org/abstracts/search?q=Ali%20Araghi"> Ali Araghi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A mathematical model for an optical-fiber communication channel is developed which results in an expression that calculates the throughput and loss of the corresponding link. The data are assumed to be transmitted by using of separate photons with different polarizations. The derived model also shows the dependency of data throughput with length of the channel and depolarization factor. It is observed that absorption of photons affects the throughput in a more intensive way in comparison with that of depolarization. Apart from that, the probability of depolarization and the absorption of radiated photons are obtained. <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=data%20throughput" title=" data throughput"> data throughput</a>, <a href="https://publications.waset.org/abstracts/search?q=depolarization" title=" depolarization"> depolarization</a>, <a href="https://publications.waset.org/abstracts/search?q=optical%20fiber" title=" optical fiber"> optical fiber</a> </p> <a href="https://publications.waset.org/abstracts/81742/optical-fiber-data-throughput-in-a-quantum-communication-system" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/81742.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">286</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">72</span> Numerical Study of Flow around Flat Tube between Parallel Walls</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hamidreza%20Bayat">Hamidreza Bayat</a>, <a href="https://publications.waset.org/abstracts/search?q=Arash%20Mirabdolah%20Lavasani"> Arash Mirabdolah Lavasani</a>, <a href="https://publications.waset.org/abstracts/search?q=Meysam%20Bolhasani"> Meysam Bolhasani</a>, <a href="https://publications.waset.org/abstracts/search?q=Sajad%20Moosavi"> Sajad Moosavi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Flow around a flat tube is studied numerically. Reynolds number is defined base on equivalent circular tube and it is varied in range of 100 to 300. Equations are solved by using finite volume method and results are presented in form of drag and lift coefficient. Results show that drag coefficient of flat tube is up to 66% lower than circular tube with equivalent diameter. In addition, by increasing l/D from 1 to 2, the drag coefficient of flat tube is decreased about 14-27%. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=laminar%20flow" title="laminar flow">laminar flow</a>, <a href="https://publications.waset.org/abstracts/search?q=flat-tube" title=" flat-tube"> flat-tube</a>, <a href="https://publications.waset.org/abstracts/search?q=drag%20coefficient" title=" drag coefficient"> drag coefficient</a>, <a href="https://publications.waset.org/abstracts/search?q=cross-flow" title=" cross-flow"> cross-flow</a>, <a href="https://publications.waset.org/abstracts/search?q=heat%20exchanger" title=" heat exchanger"> heat exchanger</a> </p> <a href="https://publications.waset.org/abstracts/14593/numerical-study-of-flow-around-flat-tube-between-parallel-walls" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/14593.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">503</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">71</span> Impact of Dynamic Capabilities on Knowledge Management Processes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Farzad%20Yavari">Farzad Yavari</a>, <a href="https://publications.waset.org/abstracts/search?q=Fereydoun%20Ohadi"> Fereydoun Ohadi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Today, with the development and growth of technology and extreme environmental changes, organizations need to identify opportunities and create creativity and innovation in order to be able to maintain or improve their position in competition with others. In this regard, it is necessary that the resources and assets of the organization are coordinated and reviewed in accordance with the orientation of the strategy. One of the competitive advantages of the present age is knowledge management, which is to equip the organization with the knowledge of the day and disseminate among employees and use it in the development of products and services. Therefore, in the forthcoming research, the impact of dynamic capabilities components (sense, seize, and reconfiguration) has been investigated on knowledge management processes (acquisition, integration and knowledge utilization) in the MAPNA Engineering and Construction Company using a field survey and applied research method. For this purpose, a questionnaire was filled out in the form of 15 questions for dynamic components and 15 questions for measuring knowledge management components and distributed among 46 employees of the knowledge management organization. Validity of the questionnaire was evaluated through content validity and its reliability with Cronbach's coefficient. Pearson correlation test and structural equation technique were used to analyze the data. The results of the research indicate a positive significant correlation between the components of dynamic capabilities and knowledge management. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=dynamic%20capabilities" title="dynamic capabilities">dynamic capabilities</a>, <a href="https://publications.waset.org/abstracts/search?q=knowledge%20management" title=" knowledge management"> knowledge management</a>, <a href="https://publications.waset.org/abstracts/search?q=sense%20capability" title=" sense capability"> sense capability</a>, <a href="https://publications.waset.org/abstracts/search?q=seize%20capability" title=" seize capability"> seize capability</a>, <a href="https://publications.waset.org/abstracts/search?q=reconfigurable%20capability" title=" reconfigurable capability"> reconfigurable capability</a>, <a href="https://publications.waset.org/abstracts/search?q=knowledge%20acquisition" title=" knowledge acquisition"> knowledge acquisition</a>, <a href="https://publications.waset.org/abstracts/search?q=knowledge%20integrity" title=" knowledge integrity"> knowledge integrity</a>, <a href="https://publications.waset.org/abstracts/search?q=knowledge%20utilization" title=" knowledge utilization"> knowledge utilization</a> </p> <a href="https://publications.waset.org/abstracts/111216/impact-of-dynamic-capabilities-on-knowledge-management-processes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/111216.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">119</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">70</span> Guidance and Control of a Torpedo Autonomous Underwater Vehicle</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Soheil%20Arash%20Moghadam">Soheil Arash Moghadam</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdol%20R.%20Kashani%20Nia"> Abdol R. Kashani Nia</a>, <a href="https://publications.waset.org/abstracts/search?q=Ali%20Akrami%20Zade"> Ali Akrami Zade</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Considering numerous applications of Autonomous Underwater Vehicles in various industries, there has been plenty of researches and studies on the motion control of such vehicles. One of the useful aspects for studying is the guidance of these vehicles. In this paper, while presenting motion equations with six degrees of freedom for Autonomous Underwater Vehicles, Proportional Navigation Guidance Law and the first order sliding mode control for TAIPAN AUV was used to address its guidance for the purpose of collision with a moving target. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Autonomous%20Underwater%20Vehicle%20%28AUV%29" title="Autonomous Underwater Vehicle (AUV)">Autonomous Underwater Vehicle (AUV)</a>, <a href="https://publications.waset.org/abstracts/search?q=degree%20of%20freedom%20%28DOF%29" title=" degree of freedom (DOF)"> degree of freedom (DOF)</a>, <a href="https://publications.waset.org/abstracts/search?q=hydrodynamic" title=" hydrodynamic"> hydrodynamic</a>, <a href="https://publications.waset.org/abstracts/search?q=line%20of%20sight%28LOS%29" title=" line of sight(LOS)"> line of sight(LOS)</a>, <a href="https://publications.waset.org/abstracts/search?q=proportional%20navigation%20guidance%28PNG%29" title=" proportional navigation guidance(PNG)"> proportional navigation guidance(PNG)</a>, <a href="https://publications.waset.org/abstracts/search?q=sliding%20mode%20control%28SMC%29" title=" sliding mode control(SMC) "> sliding mode control(SMC) </a> </p> <a href="https://publications.waset.org/abstracts/17056/guidance-and-control-of-a-torpedo-autonomous-underwater-vehicle" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/17056.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">69</span> Feedback in the Language Class: An Action Research Process</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Arash%20Golzari%20Koloor">Arash Golzari Koloor</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Feedback seems to be an inseparable part of teaching a second/foreign language. One type of feedback is corrective feedback which is one type of error treatment in second language classrooms. This study is a report on the types of corrective feedback employed in an IELTS preparation course. The types of feedback, their frequencies, and their effectiveness are enlisted, enumerated, and interpreted. The results showed that explicit correction and recast were the most frequent types of feedback while repetition and elicitation were the least. The results also revealed that metalinguistic feedback, elicitation, and explicit correction were the most effective types of feedback and affected learners performance greatly. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=classroom%20interaction" title="classroom interaction">classroom interaction</a>, <a href="https://publications.waset.org/abstracts/search?q=corrective%20feedback" title=" corrective feedback"> corrective feedback</a>, <a href="https://publications.waset.org/abstracts/search?q=error%20treatment" title=" error treatment"> error treatment</a>, <a href="https://publications.waset.org/abstracts/search?q=oral%20performance" title=" oral performance"> oral performance</a> </p> <a href="https://publications.waset.org/abstracts/63657/feedback-in-the-language-class-an-action-research-process" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/63657.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">334</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">68</span> Production, Quality Control, and Biodistribution Studies of 141ce-Edtmp as a Potential Bone Pain Palliation Agent</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fatemeh%20Soltani">Fatemeh Soltani</a>, <a href="https://publications.waset.org/abstracts/search?q=Simindokht%20Shirvani%20Arani"> Simindokht Shirvani Arani</a>, <a href="https://publications.waset.org/abstracts/search?q=Ali%20Bahrami%20Samani"> Ali Bahrami Samani</a>, <a href="https://publications.waset.org/abstracts/search?q=Mahdi%20Sadeghi"> Mahdi Sadeghi</a>, <a href="https://publications.waset.org/abstracts/search?q=Kamal%20Yavari"> Kamal Yavari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Cerium-141 [T1/2 = 32.501 days, Eβ (max) = 0.580 (29.8%) and 0.435(70.2%) MeV, Eγ=145.44 (48.2%) keV] possesses radionuclidic properties suitable for use in palliative therapy of bone metastases. 141Ce also has gamma energy of 145.44 keV, which resembles that of 99mTc. Therefore, the energy window is adjustable on the Tc-99m energy because of imaging studies. 141Ce can be produced through a relatively easy route that involves thermal neutron bombardment on natural CeO2 in medium flux research reactors (4–5×1013 neutrons/cm2•s). The requirement for an enriched target does not arise. Ethylenediamine tetramethylene phosphonic acid (EDTMP) was synthesized and radiolabeled with 141Ce. Complexation parameters were optimized to achieve maximum yields (>99%). The radiochemical purity of 141Ce-EDTMP was evaluated by radio-thin layer chromatography. The stability of the prepared formulation was monitored for one week at room temperature, and results showed that the preparation was stable during this period (>99%). Biodistribution studies of the complexes carried out in wild-type rats exhibited significant bone uptake with rapid clearance from blood. The properties of produced 141Ce-EDTMP suggest applying a new efficient bone pain palliative therapeutic agent to overcome metastatic bone pains. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bone%20pain%20palliative" title="bone pain palliative">bone pain palliative</a>, <a href="https://publications.waset.org/abstracts/search?q=cerium-141" title=" cerium-141"> cerium-141</a>, <a href="https://publications.waset.org/abstracts/search?q=EDTMP" title=" EDTMP"> EDTMP</a>, <a href="https://publications.waset.org/abstracts/search?q=radiopharmaceutical" title=" radiopharmaceutical"> radiopharmaceutical</a> </p> <a href="https://publications.waset.org/abstracts/25113/production-quality-control-and-biodistribution-studies-of-141ce-edtmp-as-a-potential-bone-pain-palliation-agent" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/25113.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">489</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">67</span> Vibration Analysis of Pendulum in a Viscous Fluid by Analytical Methods</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Arash%20Jafari">Arash Jafari</a>, <a href="https://publications.waset.org/abstracts/search?q=Mehdi%20Taghaddosi"> Mehdi Taghaddosi</a>, <a href="https://publications.waset.org/abstracts/search?q=Azin%20Parvin"> Azin Parvin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, a vibrational differential equation governing on swinging single-degree-of-freedom pendulum in a viscous fluid has been investigated. The damping process is characterized according to two different regimes: at first, damping in stationary viscous fluid, in the second, damping in flowing viscous fluid with constant velocity. Our purpose is to enhance the ability of solving the mentioned nonlinear differential equation with a simple and innovative approach. Comparisons are made between new method and Numerical Method (rkf45). The results show that this method is very effective and simple and can be applied for other nonlinear problems. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=oscillating%20systems" title="oscillating systems">oscillating systems</a>, <a href="https://publications.waset.org/abstracts/search?q=angular%20frequency%20and%20damping%20ratio" title=" angular frequency and damping ratio"> angular frequency and damping ratio</a>, <a href="https://publications.waset.org/abstracts/search?q=pendulum%20at%20fluid" title=" pendulum at fluid"> pendulum at fluid</a>, <a href="https://publications.waset.org/abstracts/search?q=locus%20of%20maximum" title=" locus of maximum"> locus of maximum</a> </p> <a href="https://publications.waset.org/abstracts/58354/vibration-analysis-of-pendulum-in-a-viscous-fluid-by-analytical-methods" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/58354.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">337</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">66</span> Experimental Analysis of Tuned Liquid Damper (TLD) with Embossments Subject to Random Excitation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohamad%20Saberi">Mohamad Saberi</a>, <a href="https://publications.waset.org/abstracts/search?q=Arash%20Sohrabi"> Arash Sohrabi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Tuned liquid damper is one the passive structural control ways which has been used since mid-1980 decade for seismic control in civil engineering. This system is made of one or many tanks filled with fluid, mostly water that installed on top of the high raised structure and used to prevent structure vibration. In this article we will show how to make seismic table contain TLD system and analysis the result of using this system in our structure. Results imply that when frequency ratio approaches 1 this system can perform its best in both dissipate energy and increasing structural damping. And also results of these serial experiments are proved compatible with Hunzer linear theory behaviour. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=TLD" title="TLD">TLD</a>, <a href="https://publications.waset.org/abstracts/search?q=seismic%20table" title=" seismic table"> seismic table</a>, <a href="https://publications.waset.org/abstracts/search?q=structural%20system" title=" structural system"> structural system</a>, <a href="https://publications.waset.org/abstracts/search?q=Hunzer%20linear%20behaviour" title=" Hunzer linear behaviour"> Hunzer linear behaviour</a> </p> <a href="https://publications.waset.org/abstracts/6052/experimental-analysis-of-tuned-liquid-damper-tld-with-embossments-subject-to-random-excitation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/6052.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">378</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">65</span> Numerical Investigation of Thermal-Hydraulic Performance of a Flat Tube in Cross-Flow of Air</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hamidreza%20Bayat">Hamidreza Bayat</a>, <a href="https://publications.waset.org/abstracts/search?q=Arash%20Mirabdolah%20Lavasani"> Arash Mirabdolah Lavasani</a>, <a href="https://publications.waset.org/abstracts/search?q=Meysam%20Bolhasani"> Meysam Bolhasani</a>, <a href="https://publications.waset.org/abstracts/search?q=Sajad%20Moosavi"> Sajad Moosavi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Heat transfer from flat tube is studied numerically. Reynolds number is defined base on equivalent circular tube which is varied in range of 100 to 300. In these range of Reynolds number flow is considered to be laminar, unsteady, and incompressible. Equations are solved by using finite volume method. Results show that increasing l/D from 1 to 2 has insignificant effect on heat transfer and Nusselt number of flat tube is slightly lower than circular tube. However, thermal-hydraulic performance of flat tube is up to 2.7 times greater than circular tube. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=laminar%20flow" title="laminar flow">laminar flow</a>, <a href="https://publications.waset.org/abstracts/search?q=flat%20tube" title=" flat tube"> flat tube</a>, <a href="https://publications.waset.org/abstracts/search?q=convective%20heat%20transfer" title=" convective heat transfer"> convective heat transfer</a>, <a href="https://publications.waset.org/abstracts/search?q=heat%20exchanger" title=" heat exchanger"> heat exchanger</a> </p> <a href="https://publications.waset.org/abstracts/14592/numerical-investigation-of-thermal-hydraulic-performance-of-a-flat-tube-in-cross-flow-of-air" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/14592.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">440</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">64</span> Experimental Analysis of Tuned Liquid Damper (TLD) for High Raised Structures</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohamad%20Saberi">Mohamad Saberi</a>, <a href="https://publications.waset.org/abstracts/search?q=Arash%20Sohrabi"> Arash Sohrabi </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Tuned liquid damper is one the passive structural control ways which has been used since mid-1980 decade for seismic control in civil engineering. This system is made of one or many tanks filled with fluid, mostly water that installed on top of the high raised structure and used to prevent structure vibration. In this article, we will show how to make seismic table contain TLD system and analysis the result of using this system in our structure. Results imply that when frequency ratio approaches 1 this system can perform its best in both dissipate energy and increasing structural damping. And also results of these serial experiments are proved compatible with Hunzer linear theory behaviour. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=TLD" title="TLD">TLD</a>, <a href="https://publications.waset.org/abstracts/search?q=seismic%20table" title=" seismic table"> seismic table</a>, <a href="https://publications.waset.org/abstracts/search?q=structural%20system" title=" structural system"> structural system</a>, <a href="https://publications.waset.org/abstracts/search?q=Hunzer%20linear%20behaviour" title=" Hunzer linear behaviour"> Hunzer linear behaviour</a> </p> <a href="https://publications.waset.org/abstracts/6043/experimental-analysis-of-tuned-liquid-damper-tld-for-high-raised-structures" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/6043.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">335</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">63</span> The Relationship between the Personality Traits and Self-Compassion with Psychological Well-Being in Iranian College Students</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abdolamir%20Gatezadeh">Abdolamir Gatezadeh</a>, <a href="https://publications.waset.org/abstracts/search?q=Rezvan%20K.%20A.%20Mohamamdi"> Rezvan K. A. Mohamamdi</a>, <a href="https://publications.waset.org/abstracts/search?q=Arash%20Jelodari"> Arash Jelodari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> It has been well established that personality traits and self-compassion are associated with psychological well-being. Thus, the current research aimed to investigate the underlying mechanisms in a collectivist culture. Method: One hundred and fifty college students were chosen and filled out Ryff's Psychological Well-Being Scale, the NEO Personality Inventory, and Neff's Self-Compassion Scale. Results: The results of correlation analysis showed that there were significant relationships between the personality traits (neuroticism, extraversion, agreeableness, and conscientiousness) and self-compassion (self-kindness, isolation, mindfulness, and the total score of self-compassion) with psychological well-being. The regression analysis showed that neuroticism, extraversion, and conscientiousness significantly predicted psychological well-being. Discussion and conclusion: The cultural implications and future orientations have been discussed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=college%20students" title="college students">college students</a>, <a href="https://publications.waset.org/abstracts/search?q=personality%20traits" title=" personality traits"> personality traits</a>, <a href="https://publications.waset.org/abstracts/search?q=psychological%20well-being" title=" psychological well-being"> psychological well-being</a>, <a href="https://publications.waset.org/abstracts/search?q=self-compassion" title=" self-compassion"> self-compassion</a> </p> <a href="https://publications.waset.org/abstracts/90419/the-relationship-between-the-personality-traits-and-self-compassion-with-psychological-well-being-in-iranian-college-students" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/90419.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">216</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">62</span> Designing a Low Speed Wind Tunnel for Investigating Effects of Blockage Ratio on Heat Transfer of a Non-Circular Tube</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Arash%20Mirabdolah%20Lavasani">Arash Mirabdolah Lavasani</a>, <a href="https://publications.waset.org/abstracts/search?q=Taher%20Maarefdoost"> Taher Maarefdoost</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Effect of blockage ratio on heat transfer from non-circular tube is studied experimentally. For doing this experiment a suction type low speed wind tunnel with test section dimension of 14×14×40 and velocity in rage of 7-20 m/s was designed. The blockage ratios varied between 1.5 to 7 and Reynolds number based on equivalent diameter varies in range of 7.5×103 to 17.5×103. The results show that by increasing blockage ratio from 1.5 to 7, drag coefficient of the cam shaped tube decreased about 55 percent. By increasing Reynolds number, Nusselt number of the cam shaped tube increases about 40 to 48 percent in all ranges of blockage ratios. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=wind%20tunnel" title="wind tunnel">wind tunnel</a>, <a href="https://publications.waset.org/abstracts/search?q=non-circular%20tube" title=" non-circular tube"> non-circular tube</a>, <a href="https://publications.waset.org/abstracts/search?q=blockage%20ratio" title=" blockage ratio"> blockage ratio</a>, <a href="https://publications.waset.org/abstracts/search?q=experimental%20heat%20transfer" title=" experimental heat transfer"> experimental heat transfer</a>, <a href="https://publications.waset.org/abstracts/search?q=cross-flow" title=" cross-flow"> cross-flow</a> </p> <a href="https://publications.waset.org/abstracts/12528/designing-a-low-speed-wind-tunnel-for-investigating-effects-of-blockage-ratio-on-heat-transfer-of-a-non-circular-tube" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/12528.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">348</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">61</span> Evaluation of Hepatic Antioxidant Changes in Ovine Dicrocoeliosis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Arash%20Jafari">Arash Jafari</a>, <a href="https://publications.waset.org/abstracts/search?q=Somaye%20Bahrami"> Somaye Bahrami</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Hossein%20Razi%20Jalali"> Mohammad Hossein Razi Jalali</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Dicrocoeliosis, caused by Dicrocoelium dendriticum is a hepatic parasitic disease of clinical and financial significance in ruminant breeding, which causes direct losses due to condemnation of parasitized livers. The purpose of our study was to assess the effects of natural dicrocoeliosis on the antioxidant defense capability of the liver in sheep. For this purpose, livers of 40 infected sheep with D. dendriticumalong with livers of 20 healthy (control) sheep were collected from animals slaughtered in Khuzestan province, Iran. An increase in malondialdehyde concentrations accompanied by decreased activities of SOD and GPX of infected liver was noticed when com-pared with control values. Our data indicate that through dicrocoeliosis insufficient scavenging of reactive oxygen species takes place and caused oxidative liver damage. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Dicrocoelium%20dendriticum" title="Dicrocoelium dendriticum">Dicrocoelium dendriticum</a>, <a href="https://publications.waset.org/abstracts/search?q=lipid%20peroxidation" title=" lipid peroxidation"> lipid peroxidation</a>, <a href="https://publications.waset.org/abstracts/search?q=antioxidant%20enzyme" title=" antioxidant enzyme"> antioxidant enzyme</a>, <a href="https://publications.waset.org/abstracts/search?q=liver" title=" liver"> liver</a> </p> <a href="https://publications.waset.org/abstracts/5670/evaluation-of-hepatic-antioxidant-changes-in-ovine-dicrocoeliosis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/5670.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">665</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">60</span> Synthesis of Metal Curcumin Complexes with Iron(III) and Manganese(II): The Effects on Alzheimer's Disease</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Emel%20Yildiz">Emel Yildiz</a>, <a href="https://publications.waset.org/abstracts/search?q=Nurcan%20Bi%C3%A7er"> Nurcan Biçer</a>, <a href="https://publications.waset.org/abstracts/search?q=Fazilet%20Aksu"> Fazilet Aksu</a>, <a href="https://publications.waset.org/abstracts/search?q=Arash%20Alizadeh%20Yegani"> Arash Alizadeh Yegani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Plants provide the wealth of bioactive compounds, which exert a substantial strategy for the treatment of neurological disorders such as Alzheimer's disease. Recently, a lot of studies have explored the medicinal properties of curcumin, including antitumoral, antimicrobial, anti-inflammatory, antioxidant, antiviral, and anti-Alzheimer's disease effects. Metal complexes of curcumin (1,7-bis(4-hydroxy-3-methoxyphenyl)-1,6-heptadiene-3,5-dione) were synthesized with Mn(II) and Fe(III). The structures of synthesized metal complexes have been characterized by using spectroscopic and analytic methods such as elemental analysis, magnetic susceptibility, FT-IR, AAS, TG and argentometric titration. It was determined that the complexes have octahedral geometry. The effects of the metal complexes on the disorder of memory, which is an important symptom of Alzheimer's Disease were studied on lab rats with Plus-Maze Tests at Behavioral Pharmacology Laboratory. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=curcumin" title="curcumin">curcumin</a>, <a href="https://publications.waset.org/abstracts/search?q=Mn%28II%29" title=" Mn(II)"> Mn(II)</a>, <a href="https://publications.waset.org/abstracts/search?q=Fe%28III%29" title=" Fe(III)"> Fe(III)</a>, <a href="https://publications.waset.org/abstracts/search?q=Alzheimer%20disease" title=" Alzheimer disease"> Alzheimer disease</a>, <a href="https://publications.waset.org/abstracts/search?q=beta%20amyloid%2025-35" title=" beta amyloid 25-35"> beta amyloid 25-35</a> </p> <a href="https://publications.waset.org/abstracts/60623/synthesis-of-metal-curcumin-complexes-with-ironiii-and-manganeseii-the-effects-on-alzheimers-disease" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/60623.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">301</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">59</span> Reliable Method for Estimating Rating Curves in the Natural Rivers</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Arash%20%20Ahmadi">Arash Ahmadi</a>, <a href="https://publications.waset.org/abstracts/search?q=Amirreza%20Kavousizadeh"> Amirreza Kavousizadeh</a>, <a href="https://publications.waset.org/abstracts/search?q=Sanaz%20Heidarzadeh"> Sanaz Heidarzadeh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Stage-discharge curve is one of the conventional methods for continuous river flow measurement. In this paper, an innovative approach is proposed for predicting the stage-discharge relationship using the application of isovel contours. Using the proposed method, it is possible to estimate the stage-discharge curve in the whole section with only using discharge information from just one arbitrary water level. For this purpose, multivariate relationships are used to determine the mean velocity in a cross-section. The unknown exponents of the proposed relationship have been obtained by using the second version of the Strength Pareto Evolutionary Algorithm (SPEA2), and the appropriate equation was selected by applying the TOPSIS (Technique for Order Preferences by Similarity to an Ideal Solution) approach. Results showed a close agreement between the estimated and observed data in the different cross-sections. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=rating%20curves" title="rating curves">rating curves</a>, <a href="https://publications.waset.org/abstracts/search?q=SPEA2" title=" SPEA2"> SPEA2</a>, <a href="https://publications.waset.org/abstracts/search?q=natural%20rivers" title=" natural rivers"> natural rivers</a>, <a href="https://publications.waset.org/abstracts/search?q=bed%20roughness%20distribution" title=" bed roughness distribution"> bed roughness distribution</a> </p> <a href="https://publications.waset.org/abstracts/123107/reliable-method-for-estimating-rating-curves-in-the-natural-rivers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/123107.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">159</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">58</span> Numerical Simulation of Turbulent Flow around Two Cam Shaped Cylinders in Tandem Arrangement</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Arash%20Mir%20Abdolah%20Lavasani">Arash Mir Abdolah Lavasani</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Ebrahimisabet"> M. Ebrahimisabet</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, the 2-D unsteady viscous flow around two cam shaped cylinders in tandem arrangement is numerically simulated in order to study the characteristics of the flow in turbulent regimes. The investigation covers the effects of high subcritical and supercritical Reynolds numbers and L/D ratio on total drag coefficient. The equivalent diameter of cylinders is 27.6 mm The space between center to center of two cam shaped cylinders is define as longitudinal pitch ratio and it varies in range of 1.5 < L/D < 6. Reynolds number base on equivalent circular cylinder varies in range of 27×103 < Re < 166×103 Results show that drag coefficient of both cylinders depends on pitch ratio. However drag coefficient of downstream cylinder is more dependent on the pitch ratio. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cam%20shaped" title="cam shaped">cam shaped</a>, <a href="https://publications.waset.org/abstracts/search?q=tandem" title=" tandem"> tandem</a>, <a href="https://publications.waset.org/abstracts/search?q=numerical" title=" numerical"> numerical</a>, <a href="https://publications.waset.org/abstracts/search?q=drag%20coefficient" title=" drag coefficient"> drag coefficient</a>, <a href="https://publications.waset.org/abstracts/search?q=turbulent" title=" turbulent"> turbulent</a> </p> <a href="https://publications.waset.org/abstracts/36258/numerical-simulation-of-turbulent-flow-around-two-cam-shaped-cylinders-in-tandem-arrangement" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/36258.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">463</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">57</span> The Impact of Knowledge Management on Different Innovation Types in Small and Medium Enterprises</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Shahnaz%20Piroozfar">Shahnaz Piroozfar</a>, <a href="https://publications.waset.org/abstracts/search?q=Seyed%20Arash%20Halajzadeh"> Seyed Arash Halajzadeh</a>, <a href="https://publications.waset.org/abstracts/search?q=Abouzar%20Ilkhani"> Abouzar Ilkhani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Nowadays, in unpredictable business environments, enterprises face a great challenge to meet customer’s requirements. The performance of an enterprise has a significant impact on its activities and has to be evaluated continuously. One of the most important indicators to evaluate performance is named ‘innovation’. There are various indicators of innovation in the product/service sectors. These cause different innovation types to emerge, in product sectors. Additionally there are basic enablers to these innovation types, including an innovative culture, a customer oriented organizational culture, etc. Also one of these enablers is called enterprise system, which includes: SCM, CRM, ERP, KM etc. Knowledge management as a solution is a necessity in a competitive world. Implementation solutions such as KM are expensive, so enterprises need to answer how KM systems affect different performance indicators like innovation. This paper aims to develop a model to evaluate the impact of KM on innovation in SMEs. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=innovation" title="innovation">innovation</a>, <a href="https://publications.waset.org/abstracts/search?q=knowledge%20management" title=" knowledge management"> knowledge management</a>, <a href="https://publications.waset.org/abstracts/search?q=SMEs" title=" SMEs"> SMEs</a>, <a href="https://publications.waset.org/abstracts/search?q=enterprise" title=" enterprise"> enterprise</a> </p> <a href="https://publications.waset.org/abstracts/26071/the-impact-of-knowledge-management-on-different-innovation-types-in-small-and-medium-enterprises" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/26071.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">693</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">56</span> Assessment of the Electrical, Mechanical, and Thermal Nociceptive Thresholds for Stimulation and Pain Measurements at the Bovine Hind Limb</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Samaneh%20Yavari">Samaneh Yavari</a>, <a href="https://publications.waset.org/abstracts/search?q=Christiane%20Pferrer"> Christiane Pferrer</a>, <a href="https://publications.waset.org/abstracts/search?q=Elisabeth%20Engelke"> Elisabeth Engelke</a>, <a href="https://publications.waset.org/abstracts/search?q=Alexander%20Starke"> Alexander Starke</a>, <a href="https://publications.waset.org/abstracts/search?q=Juergen%20Rehage"> Juergen Rehage</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: Three nociceptive thresholds of thermal, electrical, and mechanical thresholds commonly use to evaluate the local anesthesia in many species, for instance, cow, horse, cat, dog, rabbit, and so on. Due to the lack of investigations to evaluate and/or validate such those nociceptive thresholds, our plan was the comparison of two-foot local anesthesia methods of Intravenous Regional Anesthesia (IVRA) and our modified four-point Nerve Block Anesthesia (NBA). Materials and Methods: Eight healthy nonpregnant nondairy Holstein Frisian cows in a cross-over study design were selected for this study. All cows divided into two different groups to receive two local anesthesia techniques of IVRA and our modified four-point NBA. Three thermal, electrical, and mechanical force and pinpricks were applied to evaluate the quality of local anesthesia methods before and after local anesthesia application. Results: The statistical evaluation demonstrated that our four-point NBA has a qualification to select as a standard foot local anesthesia. However, the recorded results of our study revealed no significant difference between two groups of local anesthesia techniques of IVRA and modified four-point NBA related to quality and duration of anesthesia stimulated by electrical, mechanical and thermal nociceptive stimuli. Conclusion and discussion: All three nociceptive threshold stimuli of electrical, mechanical and heat nociceptive thresholds can be applied to measure and evaluate the efficacy of foot local anesthesia of dairy cows. However, our study revealed no superiority of those three nociceptive methods to evaluate the duration and quality of bovine foot local anesthesia methods. Veterinarians to investigate the duration and quality of their selected anesthesia method can use any of those heat, mechanical, and electrical methods. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=mechanical" title="mechanical">mechanical</a>, <a href="https://publications.waset.org/abstracts/search?q=thermal" title=" thermal"> thermal</a>, <a href="https://publications.waset.org/abstracts/search?q=electrical%20threshold" title=" electrical threshold"> electrical threshold</a>, <a href="https://publications.waset.org/abstracts/search?q=IVRA" title=" IVRA"> IVRA</a>, <a href="https://publications.waset.org/abstracts/search?q=NBA" title=" NBA"> NBA</a>, <a href="https://publications.waset.org/abstracts/search?q=hind%20limb" title=" hind limb"> hind limb</a>, <a href="https://publications.waset.org/abstracts/search?q=dairy%20cow" title=" dairy cow"> dairy cow</a> </p> <a href="https://publications.waset.org/abstracts/88289/assessment-of-the-electrical-mechanical-and-thermal-nociceptive-thresholds-for-stimulation-and-pain-measurements-at-the-bovine-hind-limb" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/88289.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">245</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">55</span> Optimal Design of Redundant Hybrid Manipulator for Minimum Singularity</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Arash%20Rahmani">Arash Rahmani</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmad%20Ghanbari"> Ahmad Ghanbari</a>, <a href="https://publications.waset.org/abstracts/search?q=Abbas%20Baghernezhad"> Abbas Baghernezhad</a>, <a href="https://publications.waset.org/abstracts/search?q=Babak%20Safaei"> Babak Safaei</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the design of parallel manipulators, usually mean value of a dexterity measure over the workspace volume is considered as the objective function to be used in optimization algorithms. The mentioned indexes in a hybrid parallel manipulator (HPM) are quite complicated to solve thanks to infinite solutions for every point within the workspace of the redundant manipulators. In this paper, spatial isotropic design axioms are extended as a well-known method for optimum design of manipulators. An upper limit for the isotropy measure of HPM is calculated and instead of computing and minimizing isotropy measure, minimizing the obtained limit is considered. To this end, two different objective functions are suggested which are obtained from objective functions of comprising modules. Finally, by using genetic algorithm (GA), the best geometric parameters for a specific hybrid parallel robot which is composed of two modified Gough-Stewart platforms (MGSP) are achieved. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=hybrid%20manipulator" title="hybrid manipulator">hybrid manipulator</a>, <a href="https://publications.waset.org/abstracts/search?q=spatial%20isotropy" title=" spatial isotropy"> spatial isotropy</a>, <a href="https://publications.waset.org/abstracts/search?q=genetic%20algorithm" title=" genetic algorithm"> genetic algorithm</a>, <a href="https://publications.waset.org/abstracts/search?q=optimum%20design" title=" optimum design"> optimum design</a> </p> <a href="https://publications.waset.org/abstracts/41885/optimal-design-of-redundant-hybrid-manipulator-for-minimum-singularity" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/41885.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">336</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">54</span> Responses of Trifolium pratense to Lead Accumulation Under In-Vitro Culture Conditions</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Arash%20Khorasani%20Esmaeili">Arash Khorasani Esmaeili</a>, <a href="https://publications.waset.org/abstracts/search?q=Rosna%20Mat%20Taha"> Rosna Mat Taha</a>, <a href="https://publications.waset.org/abstracts/search?q=Sadegh%20Mohajer"> Sadegh Mohajer</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Seeds of Trifolium pratense (Red clover) were exposed in vitro for 6 weeks to six levels of lead (Pb) concentrations (0, 50, 100, 150, 200, 250 µM) to analyze the effects on growth, total chlorophyll and total protein contents of grown plants against the lead accumulation. The growth of plants was negatively affected by various levels of lead treatment. The fresh and dry weights, as well as lengths of shoots and roots of grown plants under various lead treatments, were found significantly lower in comparison with the control plants. Total chlorophyll and total soluble protein contents of grown plants under lower concentrations of lead treatment did not show significant differences when compared with the control plants, although they were affected significantly in higher levels of lead accumulation (150-250 µM). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=trifolium%20pratense" title="trifolium pratense">trifolium pratense</a>, <a href="https://publications.waset.org/abstracts/search?q=lead%20accumulation" title=" lead accumulation"> lead accumulation</a>, <a href="https://publications.waset.org/abstracts/search?q=chlorophyll%20content" title=" chlorophyll content"> chlorophyll content</a>, <a href="https://publications.waset.org/abstracts/search?q=protein%20content" title=" protein content"> protein content</a> </p> <a href="https://publications.waset.org/abstracts/32059/responses-of-trifolium-pratense-to-lead-accumulation-under-in-vitro-culture-conditions" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/32059.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">437</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">53</span> Unified Theory of the Security Dilemma: Geography, MAD and Democracy</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Arash%20Heydarian%20Pashakhanlou">Arash Heydarian Pashakhanlou</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The security dilemma is one of the key concepts in International Relations (IR), and the numerous engagements with it have created a great deal of confusion regarding its essence. That is why this article seeks to dissect the security dilemma and rebuild it from its foundational core. In doing so, the present study highlights that the security dilemma requires interaction among actors that seek to protect themselves from other's capacity for harm under the condition of uncertainty to operate. In this constellation, actors are confronted with the dilemma of motives, power, and action, which they seek to resolve by acquiring information regarding their opponents. The relationship between the parties is shaped by the harm-uncertainty index (HUI) consisting of geographical distance, MAD, and joint democracy that determines the intensity of the security dilemma. These elements define the unified theory of the security dilemma (UTSD) developed here. UTSD challenges the prevailing view that the security dilemma is a unidimensional paradoxical concept, regulated by the offense-defense balance and differentiation that only occurs in anarchic settings with tragic outcomes and is equivalent to the spiral model. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=security%20dilemma" title="security dilemma">security dilemma</a>, <a href="https://publications.waset.org/abstracts/search?q=revisionism" title=" revisionism"> revisionism</a>, <a href="https://publications.waset.org/abstracts/search?q=status%20quo" title=" status quo"> status quo</a>, <a href="https://publications.waset.org/abstracts/search?q=anarchy" title=" anarchy"> anarchy</a>, <a href="https://publications.waset.org/abstracts/search?q=uncertainty" title=" uncertainty"> uncertainty</a>, <a href="https://publications.waset.org/abstracts/search?q=tragedy" title=" tragedy"> tragedy</a>, <a href="https://publications.waset.org/abstracts/search?q=spiral" title=" spiral"> spiral</a>, <a href="https://publications.waset.org/abstracts/search?q=deterrence" title=" deterrence"> deterrence</a> </p> <a href="https://publications.waset.org/abstracts/141491/unified-theory-of-the-security-dilemma-geography-mad-and-democracy" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/141491.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">238</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">52</span> Analytical Solving of Nonlinear Differential Equations in the Nonlinear Phenomena for Viscos Fluids </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Arash%20Jafari">Arash Jafari</a>, <a href="https://publications.waset.org/abstracts/search?q=Mehdi%20Taghaddosi"> Mehdi Taghaddosi</a>, <a href="https://publications.waset.org/abstracts/search?q=Azin%20Parvin"> Azin Parvin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the paper, our purpose is to enhance the ability to solve a nonlinear differential equation which is about the motion of an incompressible fluid flow going down of an inclined plane without thermal effect with a simple and innovative approach which we have named it new method. Comparisons are made amongst the Numerical, new method, and HPM methods, and the results reveal that this method is very effective and simple and can be applied to other nonlinear problems. It is noteworthy that there are some valuable advantages in this way of solving differential equations, and also most of the sets of differential equations can be answered in this manner which in the other methods they do not have acceptable solutions up to now. A summary of the excellence of this method in comparison to the other manners is as follows: 1) Differential equations are directly solvable by this method. 2) Without any dimensionless procedure, we can solve equation(s). 3) It is not necessary to convert variables into new ones. According to the afore-mentioned assertions which will be proved in this case study, the process of solving nonlinear equation(s) will be very easy and convenient in comparison to the other methods. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=viscos%20fluid" title="viscos fluid">viscos fluid</a>, <a href="https://publications.waset.org/abstracts/search?q=incompressible%20fluid%20flow" title=" incompressible fluid flow"> incompressible fluid flow</a>, <a href="https://publications.waset.org/abstracts/search?q=inclined%20plane" title=" inclined plane"> inclined plane</a>, <a href="https://publications.waset.org/abstracts/search?q=nonlinear%20phenomena" title=" nonlinear phenomena"> nonlinear phenomena</a> </p> <a href="https://publications.waset.org/abstracts/58352/analytical-solving-of-nonlinear-differential-equations-in-the-nonlinear-phenomena-for-viscos-fluids" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/58352.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">283</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">51</span> A Genetic Algorithm Based Sleep-Wake up Protocol for Area Coverage in WSNs </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Seyed%20Mahdi%20Jameii">Seyed Mahdi Jameii</a>, <a href="https://publications.waset.org/abstracts/search?q=Arash%20Nikdel"> Arash Nikdel</a>, <a href="https://publications.waset.org/abstracts/search?q=Seyed%20Mohsen%20Jameii"> Seyed Mohsen Jameii</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Energy efficiency is an important issue in the field of Wireless Sensor Networks (WSNs). So, minimizing the energy consumption in this kind of networks should be an essential consideration. Sleep/wake scheduling mechanism is an efficient approach to handling this issue. In this paper, we propose a Genetic Algorithm-based Sleep-Wake up Area Coverage protocol called GA-SWAC. The proposed protocol puts the minimum of nodes in active mode and adjusts the sensing radius of each active node to decrease the energy consumption while maintaining the network’s coverage. The proposed protocol is simulated. The results demonstrate the efficiency of the proposed protocol in terms of coverage ratio, number of active nodes and energy consumption. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=wireless%20sensor%20networks" title="wireless sensor networks">wireless sensor networks</a>, <a href="https://publications.waset.org/abstracts/search?q=genetic%20algorithm" title=" genetic algorithm"> genetic algorithm</a>, <a href="https://publications.waset.org/abstracts/search?q=coverage" title=" coverage"> coverage</a>, <a href="https://publications.waset.org/abstracts/search?q=connectivity" title=" connectivity"> connectivity</a> </p> <a href="https://publications.waset.org/abstracts/34330/a-genetic-algorithm-based-sleep-wake-up-protocol-for-area-coverage-in-wsns" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/34330.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span 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