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Adams</title> <meta name="description" content="Search results for: MSC Adams"> <meta name="keywords" content="MSC Adams"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none navbar-toggler ml-auto" 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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="MSC Adams"> <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> 62</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: MSC Adams</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">62</span> Formulation of Corrector Methods from 3-Step Hybid Adams Type Methods for the Solution of First Order Ordinary Differential Equation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Y.%20A.%20Yahaya">Y. A. Yahaya</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmad%20Tijjani%20Asabe"> Ahmad Tijjani Asabe</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper focuses on the formulation of 3-step hybrid Adams type method for the solution of first order differential equation (ODE). The methods which was derived on both grid and off grid points using multistep collocation schemes and also evaluated at some points to produced Block Adams type method and Adams moulton method respectively. The method with the highest order was selected to serve as the corrector. The convergence was valid and efficient. The numerical experiments were carried out and reveal that hybrid Adams type methods performed better than the conventional Adams moulton method. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=adam-moulton%20type%20%28amt%29" title="adam-moulton type (amt)">adam-moulton type (amt)</a>, <a href="https://publications.waset.org/abstracts/search?q=corrector%20method" title=" corrector method"> corrector method</a>, <a href="https://publications.waset.org/abstracts/search?q=off-grid" title=" off-grid"> off-grid</a>, <a href="https://publications.waset.org/abstracts/search?q=block%20method" title=" block method"> block method</a>, <a href="https://publications.waset.org/abstracts/search?q=convergence%20analysis" title=" convergence analysis"> convergence analysis</a> </p> <a href="https://publications.waset.org/abstracts/31263/formulation-of-corrector-methods-from-3-step-hybid-adams-type-methods-for-the-solution-of-first-order-ordinary-differential-equation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/31263.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">626</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> Block Implicit Adams Type Algorithms for Solution of First Order Differential Equation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Asabe%20Ahmad%20Tijani">Asabe Ahmad Tijani</a>, <a href="https://publications.waset.org/abstracts/search?q=Y.%20A.%20Yahaya"> Y. A. Yahaya</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The paper considers the derivation of implicit Adams-Moulton type method, with k=4 and 5. We adopted the method of interpolation and collocation of power series approximation to generate the continuous formula which was evaluated at off-grid and some grid points within the step length to generate the proposed block schemes, the schemes were investigated and found to be consistent and zero stable. Finally, the methods were tested with numerical experiments to ascertain their level of accuracy. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Adam-Moulton%20Type%20%28AMT%29" title="Adam-Moulton Type (AMT)">Adam-Moulton Type (AMT)</a>, <a href="https://publications.waset.org/abstracts/search?q=off-grid" title=" off-grid"> off-grid</a>, <a href="https://publications.waset.org/abstracts/search?q=block%20%20method" title=" block method"> block method</a>, <a href="https://publications.waset.org/abstracts/search?q=consistent%20and%20zero%20stable" title=" consistent and zero stable"> consistent and zero stable</a> </p> <a href="https://publications.waset.org/abstracts/24946/block-implicit-adams-type-algorithms-for-solution-of-first-order-differential-equation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/24946.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">482</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> Virtual Test Model for Qualification of Knee Prosthesis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=K.%20Zehouani">K. Zehouani</a>, <a href="https://publications.waset.org/abstracts/search?q=I.%20Oldal"> I. Oldal</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Purpose: In the human knee joint, degenerative joint disease may happen with time. The standard treatment of this disease is the total knee replacement through prosthesis implanting. The reason lies in the fact that this phenomenon causes different material abrasion as compare to pure sliding or rolling alone. This study focuses on developing a knee prosthesis geometry, which fulfills the mechanical and kinematical requirements. Method: The MSC ADAMS program is used to describe the rotation of the human knee joint as a function of flexion, and to investigate how the flexion and rotation movement changes between the condyles of a multi-body model of the knee prosthesis as a function of flexion angle (in the functional arc of the knee (20-120º)). Moreover, the multi-body model with identical boundary conditions is constituted, and the numerical simulations are carried out using the MSC ADAMS program system. Results: It is concluded that the use of the multi-body model reduces time and cost since it does not need to manufacture the tibia and the femur as it requires for the knee prosthesis of the test machine. Moreover, without measuring or by dispensing with a test machine for the knee prosthesis geometry, approximation of the results of our model to a human knee is carried out directly. Conclusion: The pattern obtained by the multi-body model provides an insight for future experimental tests related to the rotation and flexion of the knee joint concerning the actual average and friction load. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biomechanics" title="biomechanics">biomechanics</a>, <a href="https://publications.waset.org/abstracts/search?q=knee%20joint" title=" knee joint"> knee joint</a>, <a href="https://publications.waset.org/abstracts/search?q=rotation" title=" rotation"> rotation</a>, <a href="https://publications.waset.org/abstracts/search?q=flexion" title=" flexion"> flexion</a>, <a href="https://publications.waset.org/abstracts/search?q=kinematics" title=" kinematics"> kinematics</a>, <a href="https://publications.waset.org/abstracts/search?q=MSC%20ADAMS" title=" MSC ADAMS"> MSC ADAMS</a> </p> <a href="https://publications.waset.org/abstracts/114701/virtual-test-model-for-qualification-of-knee-prosthesis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/114701.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">144</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">59</span> Numerical Simulation and Experimental Validation of the Tire-Road Separation in Quarter-car Model</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Quy%20Dang%20Nguyen">Quy Dang Nguyen</a>, <a href="https://publications.waset.org/abstracts/search?q=Reza%20Nakhaie%20Jazar"> Reza Nakhaie Jazar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The paper investigates vibration dynamics of tire-road separation for a quarter-car model; this separation model is developed to be close to the real situation considering the tire is able to separate from the ground plane. A set of piecewise linear mathematical models is developed and matches the in-contact and no-contact states to be considered as mother models for further investigations. The bound dynamics are numerically simulated in the time response and phase portraits. The separation analysis may determine which values of suspension parameters can delay and avoid the no-contact phenomenon, which results in improving ride comfort and eliminating the potentially dangerous oscillation. Finally, model verification is carried out in the MSC-ADAMS environment. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=quarter-car%20vibrations" title="quarter-car vibrations">quarter-car vibrations</a>, <a href="https://publications.waset.org/abstracts/search?q=tire-road%20separation" title=" tire-road separation"> tire-road separation</a>, <a href="https://publications.waset.org/abstracts/search?q=separation%20analysis" title=" separation analysis"> separation analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=separation%20dynamics" title=" separation dynamics"> separation dynamics</a>, <a href="https://publications.waset.org/abstracts/search?q=ride%20comfort" title=" ride comfort"> ride comfort</a>, <a href="https://publications.waset.org/abstracts/search?q=ADAMS%20validation" title=" ADAMS validation"> ADAMS validation</a> </p> <a href="https://publications.waset.org/abstracts/158498/numerical-simulation-and-experimental-validation-of-the-tire-road-separation-in-quarter-car-model" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/158498.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">58</span> Design and Validation of Different Steering Geometries for an All-Terrain Vehicle</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Prabhsharan%20Singh">Prabhsharan Singh</a>, <a href="https://publications.waset.org/abstracts/search?q=Rahul%20Sindhu"> Rahul Sindhu</a>, <a href="https://publications.waset.org/abstracts/search?q=Piyush%20Sikka"> Piyush Sikka</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The steering system is an integral part and medium through which the driver communicates with the vehicle and terrain, hence the most suitable steering geometry as per requirements must be chosen. The function of the chosen steering geometry of an All-Terrain Vehicle (ATV) is to provide the desired understeer gradient, minimum tire slippage, expected weight transfer during turning as these are requirements for a good steering geometry of a BAJA ATV. This research paper focuses on choosing the best suitable steering geometry for BAJA ATV tracks by reasoning the working principle and using fundamental trigonometric functions for obtaining these geometries on the same vehicle itself, namely Ackermann, Anti- Ackermann, Parallel Ackermann. Full vehicle analysis was carried out on Adams Car Analysis software, and graphical results were obtained for various parameters. Steering geometries were achieved by using a single versatile knuckle for frontward and rearward tie-rod placement and were practically tested with the help of data acquisition systems set up on the ATV. Each was having certain characteristics, setup, and parameters were observed for the BAJA ATV, and correlations were created between analytical and practical values. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=all-terrain%20vehicle" title="all-terrain vehicle">all-terrain vehicle</a>, <a href="https://publications.waset.org/abstracts/search?q=Ackermann" title=" Ackermann"> Ackermann</a>, <a href="https://publications.waset.org/abstracts/search?q=Adams%20car" title=" Adams car"> Adams car</a>, <a href="https://publications.waset.org/abstracts/search?q=Baja%20Sae" title=" Baja Sae"> Baja Sae</a>, <a href="https://publications.waset.org/abstracts/search?q=steering%20geometry" title=" steering geometry"> steering geometry</a>, <a href="https://publications.waset.org/abstracts/search?q=steering%20system" title=" steering system"> steering system</a>, <a href="https://publications.waset.org/abstracts/search?q=tire%20slip" title=" tire slip"> tire slip</a>, <a href="https://publications.waset.org/abstracts/search?q=traction" title=" traction"> traction</a>, <a href="https://publications.waset.org/abstracts/search?q=understeer%20gradient" title=" understeer gradient"> understeer gradient</a> </p> <a href="https://publications.waset.org/abstracts/121416/design-and-validation-of-different-steering-geometries-for-an-all-terrain-vehicle" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/121416.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">154</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 Hitchhiker’s Guide to the Galaxy: The Challenges of Translating Science Fiction</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Esteban%20Tremoco">Esteban Tremoco</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This article aims to highlight some specificities of translating Science Fiction (SF literature) and, more particularly, its comic subgenre. Translating SF presupposes the translation of neologisms and gadget names of all kinds, while the translation of humor sometimes implies a need for the translator to slightly modify certain scenes or situations. In the French translation of Douglas Adams' Hitchhiker's Guide to the Galaxy by Jean Bonnefoy (Guide du routard galactique, 1982), the humorous dimension of the book is enhanced through certain choices made by the translator. One of the striking aspects of this translation is that almost all of the characters’ names have been translated, which is not the case in the German, Italian, Spanish and Portuguese translations. While there may be translations of characters’ names outside of the SF literature, there is no denying that by translating them, Jean Bonnefoy added a humorous layer to Adams' work. This work belongs to science fiction literature thanks to gadgets resulting from futuristic technological innovations, but also the presence of space travel, extra-terrestrials and mysterious worlds, which are central elements in SF. These names of planets, aliens, and other gadgets have also been translated, adapted, or at least reinvented, by Jean Bonnefoy in order to amuse the French-speaking readership. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=translation" title="translation">translation</a>, <a href="https://publications.waset.org/abstracts/search?q=translation%20studies" title=" translation studies"> translation studies</a>, <a href="https://publications.waset.org/abstracts/search?q=humour" title=" humour"> humour</a>, <a href="https://publications.waset.org/abstracts/search?q=science%20fiction" title=" science fiction"> science fiction</a> </p> <a href="https://publications.waset.org/abstracts/167393/the-hitchhikers-guide-to-the-galaxy-the-challenges-of-translating-science-fiction" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/167393.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">82</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> A Study on the Influence of Planet Pin Parallelism Error to Load Sharing Factor</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kyung%20Min%20Kang">Kyung Min Kang</a>, <a href="https://publications.waset.org/abstracts/search?q=Peng%20Mou"> Peng Mou</a>, <a href="https://publications.waset.org/abstracts/search?q=Dong%20Xiang"> Dong Xiang</a>, <a href="https://publications.waset.org/abstracts/search?q=Yong%20Yang"> Yong Yang</a>, <a href="https://publications.waset.org/abstracts/search?q=Gang%20Shen"> Gang Shen</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, planet pin parallelism error, which is one of manufacturing error of planet carrier, is employed as a main variable to influence planet load sharing factor. This error is categorize two group: (i) pin parallelism error with rotation on the axis perpendicular to the tangent of base circle of gear(x axis rotation in this paper) (ii) pin parallelism error with rotation on the tangent axis of base circle of gear(y axis rotation in this paper). For this study, the planetary gear system in 1.5MW wind turbine is applied and pure torsional rigid body model of this planetary gear is built using Solidworks and MSC.ADAMS. Based on quantified parallelism error and simulation model, dynamics simulation of planetary gear is carried out to obtain dynamic mesh load results with each type of error and load sharing factor is calculated with mesh load results. Load sharing factor formula and the suggestion for planetary reliability design is proposed with the conclusion of this study. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=planetary%20gears" title="planetary gears">planetary gears</a>, <a href="https://publications.waset.org/abstracts/search?q=planet%20load%20sharing" title=" planet load sharing"> planet load sharing</a>, <a href="https://publications.waset.org/abstracts/search?q=MSC.%20ADAMS" title=" MSC. ADAMS"> MSC. ADAMS</a>, <a href="https://publications.waset.org/abstracts/search?q=parallelism%20error" title=" parallelism error"> parallelism error</a> </p> <a href="https://publications.waset.org/abstracts/24958/a-study-on-the-influence-of-planet-pin-parallelism-error-to-load-sharing-factor" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/24958.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">399</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> A Mathematical Model for Studying Landing Dynamics of a Typical Lunar Soft Lander</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Johns%20Paul">Johns Paul</a>, <a href="https://publications.waset.org/abstracts/search?q=Santhosh%20J.%20Nalluveettil"> Santhosh J. Nalluveettil</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20Purushothaman"> P. Purushothaman</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Premdas"> M. Premdas</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Lunar landing is one of the most critical phases of lunar mission. The lander is provided with a soft landing system to prevent structural damage of lunar module by absorbing the landing shock and also assure stability during landing. Presently available software are not capable to simulate the rigid body dynamics coupled with contact simulation and elastic/plastic deformation analysis. Hence a separate mathematical model has been generated for studying the dynamics of a typical lunar soft lander. Parameters used in the analysis includes lunar surface slope, coefficient of friction, initial touchdown velocity (vertical and horizontal), mass and moment of inertia of lander, crushing force due to energy absorbing material in the legs, number of legs and geometry of lander. The mathematical model is capable to simulate plastic and elastic deformation of honey comb, frictional force between landing leg and lunar soil, surface contact simulation, lunar gravitational force, rigid body dynamics and linkage dynamics of inverted tripod landing gear. The non linear differential equations generated for studying the dynamics of lunar lander is solved by numerical method. Matlab programme has been used as a computer tool for solving the numerical equations. The position of each kinematic joint is defined by mathematical equations for the generation of equation of motion. All hinged locations are defined by position vectors with respect to body fixed coordinate. The vehicle rigid body rotations and motions about body coordinate are only due to the external forces and moments arise from footpad reaction force due to impact, footpad frictional force and weight of vehicle. All these force are mathematically simulated for the generation of equation of motion. The validation of mathematical model is done by two different phases. First phase is the validation of plastic deformation of crushable elements by employing conservation of energy principle. The second phase is the validation of rigid body dynamics of model by simulating a lander model in ADAMS software after replacing the crushable elements to elastic spring element. Simulation of plastic deformation along with rigid body dynamics and contact force cannot be modeled in ADAMS. Hence plastic element of primary strut is replaced with a spring element and analysis is carried out in ADAMS software. The same analysis is also carried out using the mathematical model where the simulation of honeycomb crushing is replaced by elastic spring deformation and compared the results with ADAMS analysis. The rotational motion of linkages and 6 degree of freedom motion of lunar Lander about its CG can be validated by ADAMS software by replacing crushing element to spring element. The model is also validated by the drop test results of 4 leg lunar lander. This paper presents the details of mathematical model generated and its validation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=honeycomb" title="honeycomb">honeycomb</a>, <a href="https://publications.waset.org/abstracts/search?q=landing%20leg%20tripod" title=" landing leg tripod"> landing leg tripod</a>, <a href="https://publications.waset.org/abstracts/search?q=lunar%20lander" title=" lunar lander"> lunar lander</a>, <a href="https://publications.waset.org/abstracts/search?q=primary%20link" title=" primary link"> primary link</a>, <a href="https://publications.waset.org/abstracts/search?q=secondary%20link" title=" secondary link"> secondary link</a> </p> <a href="https://publications.waset.org/abstracts/37327/a-mathematical-model-for-studying-landing-dynamics-of-a-typical-lunar-soft-lander" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/37327.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">351</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> Continuous Fixed Bed Reactor Application for Decolourization of Textile Effluent by Adsorption on NaOH Treated Eggshell</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20Chafi">M. Chafi</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Akazdam"> S. Akazdam</a>, <a href="https://publications.waset.org/abstracts/search?q=C.%20Asrir"> C. Asrir</a>, <a href="https://publications.waset.org/abstracts/search?q=L.%20Sebbahi"> L. Sebbahi</a>, <a href="https://publications.waset.org/abstracts/search?q=B.%20Gourich"> B. Gourich</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20Barka"> N. Barka</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Essahli"> M. Essahli</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Fixed bed adsorption has become a frequently used industrial application in wastewater treatment processes. Various low cost adsorbents have been studied for their applicability in treatment of different types of effluents. In this work, the intention of the study was to explore the efficacy and feasibility for azo dye, Acid Orange 7 (AO7) adsorption onto fixed bed column of NaOH Treated eggshell (TES). The effect of various parameters like flow rate, initial dye concentration, and bed height were exploited in this study. The studies confirmed that the breakthrough curves were dependent on flow rate, initial dye concentration solution of AO7 and bed depth. The Thomas, Yoon–Nelson, and Adams and Bohart models were analysed to evaluate the column adsorption performance. The adsorption capacity, rate constant and correlation coefficient associated to each model for column adsorption was calculated and mentioned. The column experimental data were fitted well with Thomas model with coefficients of correlation R2 ≥0.93 at different conditions but the Yoon–Nelson, BDST and Bohart–Adams model (R2=0.911), predicted poor performance of fixed-bed column. The (TES) was shown to be suitable adsorbent for adsorption of AO7 using fixed-bed adsorption column. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=adsorption%20models" title="adsorption models">adsorption models</a>, <a href="https://publications.waset.org/abstracts/search?q=acid%20orange%207" title=" acid orange 7"> acid orange 7</a>, <a href="https://publications.waset.org/abstracts/search?q=bed%20depth" title=" bed depth"> bed depth</a>, <a href="https://publications.waset.org/abstracts/search?q=breakthrough" title=" breakthrough"> breakthrough</a>, <a href="https://publications.waset.org/abstracts/search?q=dye%20adsorption" title=" dye adsorption"> dye adsorption</a>, <a href="https://publications.waset.org/abstracts/search?q=fixed-bed%20column" title=" fixed-bed column"> fixed-bed column</a>, <a href="https://publications.waset.org/abstracts/search?q=treated%20eggshell" title=" treated eggshell"> treated eggshell</a> </p> <a href="https://publications.waset.org/abstracts/43408/continuous-fixed-bed-reactor-application-for-decolourization-of-textile-effluent-by-adsorption-on-naoh-treated-eggshell" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/43408.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">377</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">53</span> 4-DOFs Parallel Mechanism for Minimally Invasive Robotic Surgery</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Khalil%20Ibrahim">Khalil Ibrahim</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Ramadan"> Ahmed Ramadan</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20Fanni"> Mohamed Fanni</a>, <a href="https://publications.waset.org/abstracts/search?q=Yo%20Kobayashi"> Yo Kobayashi</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Abo-Ismail"> Ahmed Abo-Ismail</a>, <a href="https://publications.waset.org/abstracts/search?q=Masakatus%20G.%20Fujie"> Masakatus G. Fujie</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper deals with the design process and the dynamic control simulation of a new type of 4-DOFs parallel mechanism that can be used as an endoscopic surgical manipulator. The proposed mechanism, 2-PUU_2-PUS, is designed based on the screw theory and the parallel virtual chain type synthesis method. Based on the structure analysis of the 4-DOF parallel mechanism, the inverse position equation is studied using the inverse analysis theory of kinematics. The design and the stress analysis of the mechanism are investigated using SolidWorks software. The virtual prototype of the parallel mechanism is constructed, and the dynamic simulation is performed using ADAMS TM software. The system model utilizing PID and PI controllers has been built using MATLAB software. A more realistic simulation in accordance with a given bending angle and point to point control is implemented by the use of both ADAMS/MATLAB software. The simulation results showed that this control method has solved the coordinate control for the 4-DOF parallel manipulator so that each output is feedback to the four driving rods. From the results, the tracking performance is achieved. Other control techniques, such as intelligent ones, are recommended to improve the tracking performance and reduce the numerical truncation error. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=parallel%20mechanisms" title="parallel mechanisms">parallel mechanisms</a>, <a href="https://publications.waset.org/abstracts/search?q=medical%20robotics" title=" medical robotics"> medical robotics</a>, <a href="https://publications.waset.org/abstracts/search?q=tracjectory%20control" title=" tracjectory control"> tracjectory control</a>, <a href="https://publications.waset.org/abstracts/search?q=virtual%20chain%20type%20synthesis%20method" title=" virtual chain type synthesis method"> virtual chain type synthesis method</a> </p> <a href="https://publications.waset.org/abstracts/30373/4-dofs-parallel-mechanism-for-minimally-invasive-robotic-surgery" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/30373.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">52</span> Kinematics and Dynamics Analysis of Crank-Piston System of a High-Power, Nine-Cylinder Aircraft Engine</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Michal%20Bia%C5%82y">Michal Biały</a>, <a href="https://publications.waset.org/abstracts/search?q=Konrad%20Pietrykowski"> Konrad Pietrykowski</a>, <a href="https://publications.waset.org/abstracts/search?q=Rafal%20Sochaczewski"> Rafal Sochaczewski</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The kinematics and dynamics analysis of crank-piston system of aircraft engine. The object of the study was the high power aircraft engine ASz 62-IR. This engine is produced by a Polish company WSK "PZL-KALISZ" S.A.". All analyzes were performed numerically using CAD and CAE environment. Three-dimensional model of the crank-piston system was developed based on real engine located in the Laboratory of Centre of Innovation and Advanced Technologies of Lublin University of Technology. During the development of the model, the technique of reverse engineering - 3D scanning was used. ASz 62-IR engine is characterized by a radial type of crank-piston system. In this system the cylinders are arranged radially around the circle. This crank-piston system consists of a main connecting rod and eight additional connecting rods. In addition, three-dimensional model consists of a piston pins, pistons and piston rings. As a result of the specific engine design, characteristics of the piston individual movement are slightly different from each other. But the model assumes that they are the same during the analysis. Three-dimensional model of the engine was implemented into the MSC Adams software. The environment of MSC Adams allows for multibody simulation of the dynamic phenomena. This determines the state parameters of the moving elements, among which the load or force distribution on each kinematic node can be distinguished. Materials and characteristic materials parameters were adopted on the basis of commonly used materials for engine parts. The mass values of individual elements were adopted on the basis of real engine parts. The piston gas forces were replaced by calculation of pressure variations recorded during engine tests on the engine test bench. The research the changes of forces acting in the individual kinematic pairs of crank-piston system. The model allows to determine the load on the crankshaft main bearings. This gives the possibility for the main supports forces analysis The model allows for testing and simulation of kinematics and dynamics of a radial aircraft engine. This is the first stage of the work, which aims to numerical simulation of vibration of multi-cylinder aircraft engine. This work has been financed by the Polish National Centre for Research and Development, INNOLOT, under Grant Agreement No. INNOLOT/I/1/NCBR/2013. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=aircraft%20engine" title="aircraft engine">aircraft engine</a>, <a href="https://publications.waset.org/abstracts/search?q=CAD" title=" CAD"> CAD</a>, <a href="https://publications.waset.org/abstracts/search?q=CAE" title=" CAE"> CAE</a>, <a href="https://publications.waset.org/abstracts/search?q=dynamics" title=" dynamics"> dynamics</a>, <a href="https://publications.waset.org/abstracts/search?q=kinematics" title=" kinematics"> kinematics</a>, <a href="https://publications.waset.org/abstracts/search?q=MSC%20Adams" title=" MSC Adams"> MSC Adams</a>, <a href="https://publications.waset.org/abstracts/search?q=numerical%20simulation" title=" numerical simulation"> numerical simulation</a> </p> <a href="https://publications.waset.org/abstracts/49981/kinematics-and-dynamics-analysis-of-crank-piston-system-of-a-high-power-nine-cylinder-aircraft-engine" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/49981.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">388</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> Double Wishbone Pushrod Suspension Systems Co-Simulation for Racing Applications</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Suleyman%20Ogul%20Ertugrul">Suleyman Ogul Ertugrul</a>, <a href="https://publications.waset.org/abstracts/search?q=Mustafa%20Turgut"> Mustafa Turgut</a>, <a href="https://publications.waset.org/abstracts/search?q=Serkan%20Inand%C4%B1"> Serkan Inandı</a>, <a href="https://publications.waset.org/abstracts/search?q=Mustafa%20Gorkem%20Coban"> Mustafa Gorkem Coban</a>, <a href="https://publications.waset.org/abstracts/search?q=Mustafa%20K%C4%B1g%C4%B1l%C4%B1"> Mustafa Kıgılı</a>, <a href="https://publications.waset.org/abstracts/search?q=Ali%20Mert"> Ali Mert</a>, <a href="https://publications.waset.org/abstracts/search?q=Oguzhan%20Kesmez"> Oguzhan Kesmez</a>, <a href="https://publications.waset.org/abstracts/search?q=Murat%20Ozanc%C4%B1"> Murat Ozancı</a>, <a href="https://publications.waset.org/abstracts/search?q=Caglar%20Uyulan"> Caglar Uyulan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In high-performance automotive engineering, the realistic simulation of suspension systems is crucial for enhancing vehicle dynamics and handling. This study focuses on the double wishbone suspension system, prevalent in racing vehicles due to its superior control and stability characteristics. Utilizing MATLAB and Adams Car simulation software, we conduct a comprehensive analysis of displacement behaviors and damper sizing under various dynamic conditions. The initial phase involves using MATLAB to simulate the entire suspension system, allowing for the preliminary determination of damper size based on the system's response under simulated conditions. Following this, manual calculations of wheel loads are performed to assess the forces acting on the front and rear suspensions during scenarios such as braking, cornering, maximum vertical loads, and acceleration. Further dynamic force analysis is carried out using MATLAB Simulink, focusing on the interactions between suspension components during key movements such as bumps and rebounds. This simulation helps in formulating precise force equations and in calculating the stiffness of the suspension springs. To enhance the accuracy of our findings, we focus on a detailed kinematic and dynamic analysis. This includes the creation of kinematic loops, derivation of relevant equations, and computation of Jacobian matrices to accurately determine damper travel and compression metrics. The calculated spring stiffness is crucial in selecting appropriate springs to ensure optimal suspension performance. To validate and refine our results, we replicate the analyses using the Adams Car software, renowned for its detailed handling of vehicular dynamics. The goal is to achieve a robust, reliable suspension setup that maximizes performance under the extreme conditions encountered in racing scenarios. This study exemplifies the integration of theoretical mechanics with advanced simulation tools to achieve a high-performance suspension setup that can significantly improve race car performance, providing a methodology that can be adapted for different types of racing vehicles. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=FSAE" title="FSAE">FSAE</a>, <a href="https://publications.waset.org/abstracts/search?q=suspension%20system" title=" suspension system"> suspension system</a>, <a href="https://publications.waset.org/abstracts/search?q=Adams%20Car" title=" Adams Car"> Adams Car</a>, <a href="https://publications.waset.org/abstracts/search?q=kinematic" title=" kinematic"> kinematic</a> </p> <a href="https://publications.waset.org/abstracts/185252/double-wishbone-pushrod-suspension-systems-co-simulation-for-racing-applications" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/185252.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">51</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">50</span> Determination of Friction and Damping Coefficients of Folded Cover Mechanism Deployed by Torsion Springs</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=I.%20Yilmaz">I. Yilmaz</a>, <a href="https://publications.waset.org/abstracts/search?q=O.%20Taga"> O. Taga</a>, <a href="https://publications.waset.org/abstracts/search?q=F.%20Kosar"> F. Kosar</a>, <a href="https://publications.waset.org/abstracts/search?q=O.%20Keles"> O. Keles</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, friction and damping coefficients of folded cover mechanism were obtained in accordance with experimental studies and data. Friction and damping coefficients are the most important inputs to accomplish a mechanism analysis. Friction and damping are two objects that change the time of deployment of mechanisms and their dynamic behaviors. Though recommended friction coefficient values exist in literature, damping is differentiating feature according to mechanic systems. So the damping coefficient should be obtained from mechanism test outputs. In this study, the folded cover mechanism use torsion springs for deploying covers that are formerly close folded position. Torsion springs provide folded covers with desirable deploying time according to variable environmental conditions. To verify all design revisions with system tests will be so costly so that some decisions are taken in accordance with numerical methods. In this study, there are two folded covers required to deploy simultaneously. Scotch-yoke and crank-rod mechanisms were combined to deploy folded covers simultaneously. The mechanism was unlocked with a pyrotechnic bolt onto scotch-yoke disc. When pyrotechnic bolt was exploded, torsion springs provided rotational movement for mechanism. Quick motion camera was recording dynamic behaviors of system during deployment case. Dynamic model of mechanism was modeled as rigid body with Adams MBD (multi body dynamics) then torque values provided by torsion springs were used as an input. A well-advised range of friction and damping coefficients were defined in Adams DOE (design of experiment) then a large number of analyses were performed until deployment time of folded covers run in with test data observed in record of quick motion camera, thus the deployment time of mechanism and dynamic behaviors were obtained. Same mechanism was tested with different torsion springs and torque values then outputs were compared with numerical models. According to comparison, it was understood that friction and damping coefficients obtained in this study can be used safely when studying on folded objects required to deploy simultaneously. In addition to model generated with Adams as rigid body the finite element model of folded mechanism was generated with Abaqus then the outputs of rigid body model and finite element model was compared. Finally, the reasonable solutions were suggested about different outputs of these solution methods. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=damping" title="damping">damping</a>, <a href="https://publications.waset.org/abstracts/search?q=friction" title=" friction"> friction</a>, <a href="https://publications.waset.org/abstracts/search?q=pyro-technic" title=" pyro-technic"> pyro-technic</a>, <a href="https://publications.waset.org/abstracts/search?q=scotch-yoke" title=" scotch-yoke"> scotch-yoke</a> </p> <a href="https://publications.waset.org/abstracts/70126/determination-of-friction-and-damping-coefficients-of-folded-cover-mechanism-deployed-by-torsion-springs" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/70126.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">322</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">49</span> Mechanism Design and Dynamic Analysis of Active Independent Front Steering System</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Cheng-Chi%20Yu">Cheng-Chi Yu</a>, <a href="https://publications.waset.org/abstracts/search?q=Yu-Shiue%20Wang"> Yu-Shiue Wang</a>, <a href="https://publications.waset.org/abstracts/search?q=Kei-Lin%20Kuo"> Kei-Lin Kuo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Active Independent Front Steering system is a steering system which can according to vehicle driving situation adjusts the relation of steering angle between inner wheel and outer wheel. In low-speed cornering, AIFS sets the steering angles of inner and outer wheel into Ackerman steering geometry to make vehicle has less cornering radius. Besides, AIFS changes the steering geometry to parallel or even anti-Ackerman steering geometry to keep vehicle stability in high-speed cornering. Therefore, based on the analysis of the vehicle steering behavior from different steering geometries, this study develops a new screw type of active independent front steering system to make vehicles best cornering performance at any speeds. The screw type of active independent front steering system keeps the pinion and separates the rack into main rack and second rack. Two racks connect by a screw. Extra screw rotated motion powered by assistant motor through coupler makes second rack move relative to main rack, which can adjust both steering ratio and steering geometry. First of all, this study distinguishes the steering geometry by using Ackerman percentage and utilizes the software of ADAMS/Car to construct diverse steering geometry models. The different steering geometries are compared at low-speed and high-speed cornering, and then control strategies of the active independent front steering systems could be formulated. Secondly, this study applies closed loop equation to analyze tire steering angles and carries out optimization calculations to make the steering geometry from traditional rack and pinion steering system near to Ackerman steering geometry. Steering characteristics of the optimum steering mechanism and motion characteristics of vehicle installed the steering mechanism are verified by ADAMS/Car models of front suspension and full vehicle respectively. By adding dual auxiliary rack and dual motor to the optimum steering mechanism, the active independent front steering system could be developed to achieve the functions of variable steering ratio and variable steering geometry. At last, this study uses ADAMS/Car and Matlab/Simulink to co-simulate the cornering motion of vehicles confirms the vehicle installed the Active Independent Front Steering (AIFS) system has better handling performance than that with Active Independent Steering (AFS) system or with Electric Power Steering (EPS) system. At low-speed cornering, the vehicles with AIFS system and with AFS system have better maneuverability, less cornering radius, than the traditional vehicle with EPS system because that AIFS and AFS systems both provide function of variable steering ratio. However, there is a slight penalty in the motor(s) power consumption. In addition, because of the capability of variable steering geometry, the vehicle with AIFS system has better high-speed cornering stability, trajectory keeping, and even less motor(s) power consumption than that with EPS system and also with AFS system. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=active%20front%20steering%20system" title="active front steering system">active front steering system</a>, <a href="https://publications.waset.org/abstracts/search?q=active%20independent%20front%20steering%20system" title=" active independent front steering system"> active independent front steering system</a>, <a href="https://publications.waset.org/abstracts/search?q=steering%20geometry" title=" steering geometry"> steering geometry</a>, <a href="https://publications.waset.org/abstracts/search?q=steering%20ratio" title=" steering ratio"> steering ratio</a> </p> <a href="https://publications.waset.org/abstracts/77238/mechanism-design-and-dynamic-analysis-of-active-independent-front-steering-system" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/77238.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">189</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">48</span> Comparison of Adsorbents for Ammonia Removal from Mining Wastewater</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=F.%20Al-Sheikh">F. Al-Sheikh</a>, <a href="https://publications.waset.org/abstracts/search?q=C.%20Moralejo"> C. Moralejo</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Pritzker"> M. Pritzker</a>, <a href="https://publications.waset.org/abstracts/search?q=W.%20A.%20Anderson"> W. A. Anderson</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Elkamel"> A. Elkamel</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Ammonia in mining wastewater is a significant problem, and treatment can be especially difficult in cold climates where biological treatment is not feasible. An adsorption process is one of the alternative processes that can be used to reduce ammonia concentrations to acceptable limits, and therefore a LEWATIT resin strongly acidic H+ form ion exchange resin and a Bowie Chabazite Na form AZLB-Na zeolite were tested to assess their effectiveness. For these adsorption tests, two packed bed columns (a mini-column constructed from a 32-cm long x 1-cm diameter piece of glass tubing, and a 60-cm long x 2.5-cm diameter Ace Glass chromatography column) were used containing varying quantities of the adsorbents. A mining wastewater with ammonia concentrations of 22.7 mg/L was fed through the columns at controlled flowrates. In the experimental work, maximum capacities of the LEWATIT ion exchange resin were 0.438, 0.448, and 1.472 mg/g for 3, 6, and 9 g respectively in a mini column and 1.739 mg/g for 141.5 g in a larger Ace column while the capacities for the AZLB-Na zeolite were 0.424, and 0.784 mg/g for 3, and 6 g respectively in the mini column and 1.1636 mg/g for 38.5 g in the Ace column. In the theoretical work, Thomas, Adams-Bohart, and Yoon-Nelson models were constructed to describe a breakthrough curve of the adsorption process and find the constants of the above-mentioned models. In the regeneration tests, 5% hydrochloric acid, HCl (v/v) and 10% sodium hydroxide, NaOH (w/v) were used to regenerate the LEWATIT resin and AZLB-Na zeolite with 44 and 63.8% recovery, respectively. In conclusion, continuous flow adsorption using a LEWATIT ion exchange resin and an AZLB-Na zeolite is efficient when using a co-flow technique for removal of the ammonia from wastewater. Thomas, Adams-Bohart, and Yoon-Nelson models satisfactorily fit the data with R<sup>2</sup> closer to 1 in all cases. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=AZLB-Na%20zeolite" title="AZLB-Na zeolite">AZLB-Na zeolite</a>, <a href="https://publications.waset.org/abstracts/search?q=continuous%20adsorption" title=" continuous adsorption"> continuous adsorption</a>, <a href="https://publications.waset.org/abstracts/search?q=Lewatit%20resin" title=" Lewatit resin"> Lewatit resin</a>, <a href="https://publications.waset.org/abstracts/search?q=models" title=" models"> models</a>, <a href="https://publications.waset.org/abstracts/search?q=regeneration" title=" regeneration"> regeneration</a> </p> <a href="https://publications.waset.org/abstracts/78618/comparison-of-adsorbents-for-ammonia-removal-from-mining-wastewater" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/78618.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">389</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">47</span> The Role of Synthetic Data in Aerial Object Detection</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ava%20Dodd">Ava Dodd</a>, <a href="https://publications.waset.org/abstracts/search?q=Jonathan%20Adams"> Jonathan Adams</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The purpose of this study is to explore the characteristics of developing a machine learning application using synthetic data. The study is structured to develop the application for the purpose of deploying the computer vision model. The findings discuss the realities of attempting to develop a computer vision model for practical purpose, and detail the processes, tools, and techniques that were used to meet accuracy requirements. The research reveals that synthetic data represents another variable that can be adjusted to improve the performance of a computer vision model. Further, a suite of tools and tuning recommendations are provided. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=computer%20vision" title="computer vision">computer vision</a>, <a href="https://publications.waset.org/abstracts/search?q=machine%20learning" title=" machine learning"> machine learning</a>, <a href="https://publications.waset.org/abstracts/search?q=synthetic%20data" title=" synthetic data"> synthetic data</a>, <a href="https://publications.waset.org/abstracts/search?q=YOLOv4" title=" YOLOv4"> YOLOv4</a> </p> <a href="https://publications.waset.org/abstracts/139194/the-role-of-synthetic-data-in-aerial-object-detection" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/139194.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">225</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">46</span> Two Spherical Three Degrees of Freedom Parallel Robots 3-RCC and 3-RRS Static Analysis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Alireza%20Abbasi%20Moshaii">Alireza Abbasi Moshaii</a>, <a href="https://publications.waset.org/abstracts/search?q=Shaghayegh%20Nasiri"> Shaghayegh Nasiri</a>, <a href="https://publications.waset.org/abstracts/search?q=Mehdi%20Tale%20Masouleh"> Mehdi Tale Masouleh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The main purpose of this study is static analysis of two three-degree of freedom parallel mechanisms: 3-RCC and 3-RRS. Geometry of these mechanisms is expressed and static equilibrium equations are derived for the whole chains. For these mechanisms due to the equal number of equations and unknowns, the solution is as same as 3-RCC mechanism. Mathematical software is used to solve the equations. In order to prove the results obtained from solving the equations of mechanisms, their CAD model has been simulated and their static is analysed in ADAMS software. Due to symmetrical geometry of the mechanisms, the force and external torque acting on the end-effecter have been considered asymmetric to prove the generality of the solution method. Finally, the results of both softwares, for both mechanisms are extracted and compared as graphs. The good achieved comparison between the results indicates the accuracy of the analysis. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=robotic" title="robotic">robotic</a>, <a href="https://publications.waset.org/abstracts/search?q=static%20analysis" title=" static analysis"> static analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=3-RCC" title=" 3-RCC"> 3-RCC</a>, <a href="https://publications.waset.org/abstracts/search?q=3-RRS" title=" 3-RRS"> 3-RRS</a> </p> <a href="https://publications.waset.org/abstracts/24128/two-spherical-three-degrees-of-freedom-parallel-robots-3-rcc-and-3-rrs-static-analysis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/24128.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">384</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">45</span> Frankie Adams’s Sexuality in the Member of the Wedding: Focusing on Musical References</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Saori%20Iwatsuka">Saori Iwatsuka</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In The Member of the Wedding, Carson McCullers starts with the words, “It happened,” without telling the reader what happens to a twelve-year-old protagonist, Frankie Adams. The reader feels confused and incomprehensible. However, he or she later realizes that the confusing phrase is connected to the scene where Frankie feels “the thing happened” after listening to the melodic lines of jazz and blues. Yet, the reader cannot really comprehend what happens to Frankie and feels puzzled till the end. And the story ends with Frankie’s words, “I am simply mad about . . .” Implying her queer desire for her new friend Mary Littlejohn, McCullers never tells the reader whom Frankie is mad about. Despite McCullers’s ambiguous way of depicting Frankie’s sexuality, recent critics and reviewers have come to discuss her sexuality as anti-heterosexual because Frankie expresses her hatred for Barney, whom she has had some type of sexual encounter, and feels wrong with her brother Jarvis’s wedding. After giving up her sexual desire for Jarvis’s bride, Janice, Frankie changes her name to Frances, becomes engrossed with Michelangelo, and enjoys reading Tennyson’s poetry with Mary. Michelangelo and Tennyson are well-known homosexual artists, which suggests that Frankie has an anti-heterosexual orientation. As McCullers does not precisely describe Frankie’s sexuality, the reader can only assume it by connecting fragmentary descriptions. However, this discussion is more clarified to show Frankie’s sexuality because analyzing the musical references of jazz and blues and interpreting them from a musicological viewpoint will illuminate it. In her works, McCullers frequently uses musical references and descriptions, which have a significant and psychological impact on the protagonists and portrays their bodily reactions to the impact to reveal what the reader cannot see on the surface. Thus, in this story, too, Frankie’s bodily reaction to music is portrayed to cue her feelings. After seeing the chimney swifts, known as monogamous birds, Frankie feels “a jazz sadness,” quivers her nerves and stiffens her heart. After listening to Berenice’s “dark jazz voice,” Frankie feels dizzy and throws a knife because Berenice’s voice jazzes (excites) her heart that beats in her head. Calming herself, she fantasizes that Jarvis, Jarvis’s bride, Janice, and herself are members of “the we of me.” Then in the evening, listening to the blues and jazz being played by a black horn player somewhere in her neighborhood, Frankie realizes “the thing happened” and discovers “a new feeling.” Following the musical references “jazz” and “blues” and examining them from the viewpoint of musicology and terminology leads the reader to explore what “it” is in “it happened” and what her “new feeling” is when “the thing happened” with the blues tune breaking off. Those discussions will illuminate Frankie’s sexuality. As McCullers does not clearly name her sexuality, this paper uses the word queer to express Frankie’s anti-sexual orientation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=jazz%20and%20blues" title="jazz and blues">jazz and blues</a>, <a href="https://publications.waset.org/abstracts/search?q=musical%20references" title=" musical references"> musical references</a>, <a href="https://publications.waset.org/abstracts/search?q=queer%20sexuality" title=" queer sexuality"> queer sexuality</a>, <a href="https://publications.waset.org/abstracts/search?q=%E2%80%9Cwe%20of%20me%E2%80%9D" title=" “we of me”"> “we of me”</a> </p> <a href="https://publications.waset.org/abstracts/172254/frankie-adamss-sexuality-in-the-member-of-the-wedding-focusing-on-musical-references" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/172254.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">44</span> Research on the Torsional Vibration of a Power-Split Hybrid Powertrain Equipped with a Dual Mass Flywheel</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Xiaolin%20Tang">Xiaolin Tang</a>, <a href="https://publications.waset.org/abstracts/search?q=Wei%20Yang"> Wei Yang</a>, <a href="https://publications.waset.org/abstracts/search?q=Xiaoan%20Chen"> Xiaoan Chen</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The research described in this paper was aimed at exploring the torsional vibration characteristics of a power-split hybrid powertrain equipped with a dual mass flywheel. The dynamic equations of governing torsional vibration for this hybrid driveline are presented, and the multi-body dynamic model for the powertrain is established with the software of ADAMS. Accordingly, different parameters of dual mass flywheel are investigated by forced vibration to reduce the torsional vibration of hybrid drive train. The analysis shows that the implementation of a dual mass flywheel is an effective way to decrease the torsional vibration of the hybrid powertrain. At last, the optimal combination of parameters yielding the lowest vibration is provided. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=dual%20mass%20flywheel" title="dual mass flywheel">dual mass flywheel</a>, <a href="https://publications.waset.org/abstracts/search?q=hybrid%20electric%20vehicle" title=" hybrid electric vehicle"> hybrid electric vehicle</a>, <a href="https://publications.waset.org/abstracts/search?q=torsional%20vibration" title=" torsional vibration"> torsional vibration</a>, <a href="https://publications.waset.org/abstracts/search?q=powertrain" title=" powertrain"> powertrain</a>, <a href="https://publications.waset.org/abstracts/search?q=dynamics" title=" dynamics"> dynamics</a> </p> <a href="https://publications.waset.org/abstracts/47396/research-on-the-torsional-vibration-of-a-power-split-hybrid-powertrain-equipped-with-a-dual-mass-flywheel" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/47396.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">409</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">43</span> A Knee Modular Orthosis Design Based on Kinematic Considerations</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=C.%20Copilusi">C. Copilusi</a>, <a href="https://publications.waset.org/abstracts/search?q=C.%20Ploscaru"> C. Ploscaru</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper addresses attention to a research regarding the design of a knee orthosis in a modular form used on children walking rehabilitation. This research is focused on the human lower limb kinematic analysis which will be used as input data on virtual simulations and prototype validation. From this analysis, important data will be obtained and used as input for virtual simulations of the knee modular orthosis. Thus, a knee orthosis concept was obtained and validated through virtual simulations by using MSC Adams software. Based on the obtained results, the modular orthosis prototype will be manufactured and presented in this article. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=human%20lower%20limb" title="human lower limb">human lower limb</a>, <a href="https://publications.waset.org/abstracts/search?q=children%20orthoses" title=" children orthoses"> children orthoses</a>, <a href="https://publications.waset.org/abstracts/search?q=kinematic%20analysis" title=" kinematic analysis"> kinematic analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=knee%20orthosis" title=" knee orthosis"> knee orthosis</a> </p> <a href="https://publications.waset.org/abstracts/47877/a-knee-modular-orthosis-design-based-on-kinematic-considerations" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/47877.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">287</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">42</span> Boussinesq Model for Dam-Break Flow Analysis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Najibullah%20M">Najibullah M</a>, <a href="https://publications.waset.org/abstracts/search?q=Soumendra%20Nath%20Kuiry"> Soumendra Nath Kuiry</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Dams and reservoirs are perceived for their estimable alms to irrigation, water supply, flood control, electricity generation, etc. which civilize the prosperity and wealth of society across the world. Meantime the dam breach could cause devastating flood that can threat to the human lives and properties. Failures of large dams remain fortunately very seldom events. Nevertheless, a number of occurrences have been recorded in the world, corresponding in an average to one to two failures worldwide every year. Some of those accidents have caused catastrophic consequences. So it is decisive to predict the dam break flow for emergency planning and preparedness, as it poses high risk to life and property. To mitigate the adverse impact of dam break, modeling is necessary to gain a good understanding of the temporal and spatial evolution of the dam-break floods. This study will mainly deal with one-dimensional (1D) dam break modeling. Less commonly used in the hydraulic research community, another possible option for modeling the rapidly varied dam-break flows is the extended Boussinesq equations (BEs), which can describe the dynamics of short waves with a reasonable accuracy. Unlike the Shallow Water Equations (SWEs), the BEs taken into account the wave dispersion and non-hydrostatic pressure distribution. To capture the dam-break oscillations accurately it is very much needed of at least fourth-order accurate numerical scheme to discretize the third-order dispersion terms present in the extended BEs. The scope of this work is therefore to develop an 1D fourth-order accurate in both space and time Boussinesq model for dam-break flow analysis by using finite-volume / finite difference scheme. The spatial discretization of the flux and dispersion terms achieved through a combination of finite-volume and finite difference approximations. The flux term, was solved using a finite-volume discretization whereas the bed source and dispersion term, were discretized using centered finite-difference scheme. Time integration achieved in two stages, namely the third-order Adams Basforth predictor stage and the fourth-order Adams Moulton corrector stage. Implementation of the 1D Boussinesq model done using PYTHON 2.7.5. Evaluation of the performance of the developed model predicted as compared with the volume of fluid (VOF) based commercial model ANSYS-CFX. The developed model is used to analyze the risk of cascading dam failures similar to the Panshet dam failure in 1961 that took place in Pune, India. Nevertheless, this model can be used to predict wave overtopping accurately compared to shallow water models for designing coastal protection structures. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Boussinesq%20equation" title="Boussinesq equation">Boussinesq equation</a>, <a href="https://publications.waset.org/abstracts/search?q=Coastal%20protection" title=" Coastal protection"> Coastal protection</a>, <a href="https://publications.waset.org/abstracts/search?q=Dam-break%20flow" title=" Dam-break flow"> Dam-break flow</a>, <a href="https://publications.waset.org/abstracts/search?q=One-dimensional%20model" title=" One-dimensional model"> One-dimensional model</a> </p> <a href="https://publications.waset.org/abstracts/59450/boussinesq-model-for-dam-break-flow-analysis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/59450.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">231</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">41</span> Aircraft Landing Process Simulation Using Multi-Body Multi-Dynamics Software</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ahmad%20Kavousi">Ahmad Kavousi</a>, <a href="https://publications.waset.org/abstracts/search?q=Ali%20Delaviz"> Ali Delaviz</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this project, the landing process is simulated by using of multi-body dynamics commercial software. Various factors, including landing situations, aircraft structures and climate are used in this simulation. The purpose of this project is to determine the forces exerted on the aircraft landing gears in landing process in various landing conditions. For this purpose, the ADAMS multi-body dynamics software is used. Different scenarios based on FAR-25, including level landing, tail-down landing, crab landing are simulated. Results of dynamic simulation software with landing load factor obtained from the analytical solution are compared. The effect of fuselage elasticity on the landing load is studied. For this purpose, both of elastic and rigid body assumptions are used in the simulation process, and the results are compared and some conclusions are made. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=landing%20gear" title="landing gear">landing gear</a>, <a href="https://publications.waset.org/abstracts/search?q=landing%20process" title=" landing process"> landing process</a>, <a href="https://publications.waset.org/abstracts/search?q=aircraft" title=" aircraft"> aircraft</a>, <a href="https://publications.waset.org/abstracts/search?q=multi-body%20dynamics" title=" multi-body dynamics"> multi-body dynamics</a> </p> <a href="https://publications.waset.org/abstracts/37773/aircraft-landing-process-simulation-using-multi-body-multi-dynamics-software" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/37773.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">497</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">40</span> The Criteria of the Aesthetic Quality of Art: Contemporary Photography</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Artem%20Surkov">Artem Surkov</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This work is devoted to a problem of aesthetic quality determinism in the context of contemporary art. The object of study is photography regarding as a kind of art which demands specific system of quality marking. Objective: To define aesthetic criteria in photography art. For current searching different kind of texts by such powerful authors like Clement Greenberg and Rosalind Krauss, Theodor Adorno and Herbert Marcuse, Charlott Cotton and Boris Groys, Viktor Miziano and Ekaterina Degot' were analyzed. Before all, there are two different kinds of photography: the classic art photography (by Ansel Adams) and the photography as kind of art (by Andreas Gursky). In this text we are talking about the photography as kind of art. The main principle of current searching is synthesis of two different approaches: modernism and postmodernism. This method helps us to define uniform criteria of aesthetic quality in photography as kind of art. The criteria mentioned in conclusion paragraph are: aesthetic rationality, aesthetic economy, awareness (using photographic technics or references), and intention to go beyond form, practice and method. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=aesthetic" title="aesthetic">aesthetic</a>, <a href="https://publications.waset.org/abstracts/search?q=art" title=" art"> art</a>, <a href="https://publications.waset.org/abstracts/search?q=criteria%20of%20quality" title=" criteria of quality"> criteria of quality</a>, <a href="https://publications.waset.org/abstracts/search?q=photography" title=" photography"> photography</a>, <a href="https://publications.waset.org/abstracts/search?q=visually" title=" visually"> visually</a> </p> <a href="https://publications.waset.org/abstracts/40285/the-criteria-of-the-aesthetic-quality-of-art-contemporary-photography" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/40285.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">418</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">39</span> Measuring Tail-Risk Spillover in the International Banking Industry</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Lidia%20Sanchis-Marco">Lidia Sanchis-Marco</a>, <a href="https://publications.waset.org/abstracts/search?q=Antonio%20Rubia"> Antonio Rubia</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper we analyze the state-dependent risk-spillover in different economic areas. To this end, we apply the quantile regression-based methodology developed in Adams, Füss and Gropp approach to examine the spillover in conditional tails of daily returns of indices of the banking industry in the US, BRICs, Peripheral EMU, Core EMU, Scandinavia, the UK and Emerging Markets. This methodology allow us to characterize size, direction and strength of financial contagion in a network of bilateral exposures to address cross-border vulnerabilities under different states of the economy. The general evidence shows as the spillover effects are higher and more significant in volatile periods than in tranquil ones. There is evidence of tail spillovers of which much is attributable to a spillover from the US on the rest of the analyzed regions, specially on European countries. In sharp contrast, the US banking system show more financial resilience against foreign shocks. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=spillover%20effects" title="spillover effects">spillover effects</a>, <a href="https://publications.waset.org/abstracts/search?q=Bank%20Contagion" title=" Bank Contagion"> Bank Contagion</a>, <a href="https://publications.waset.org/abstracts/search?q=SDSVaR" title=" SDSVaR"> SDSVaR</a>, <a href="https://publications.waset.org/abstracts/search?q=expected%20shortfall" title=" expected shortfall"> expected shortfall</a>, <a href="https://publications.waset.org/abstracts/search?q=VaR" title=" VaR"> VaR</a>, <a href="https://publications.waset.org/abstracts/search?q=expectiles" title=" expectiles"> expectiles</a> </p> <a href="https://publications.waset.org/abstracts/21376/measuring-tail-risk-spillover-in-the-international-banking-industry" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/21376.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">38</span> Fixed-Bed Column Studies of Green Malachite Removal by Use of Alginate-Encapsulated Aluminium Pillared Clay</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Lazhar%20mouloud">Lazhar mouloud</a>, <a href="https://publications.waset.org/abstracts/search?q=Chemat%20Zoubida"> Chemat Zoubida</a>, <a href="https://publications.waset.org/abstracts/search?q=Ouhoumna%20Faiza"> Ouhoumna Faiza</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The main objective of this study, concerns the modeling of breakthrough curves obtained in the adsorption column of malachite green into alginate-encapsulated aluminium pillared clay in fixed bed according to various operating parameters such as the initial concentration, the feed rate and the height fixed bed, applying mathematical models namely: the model of Bohart and Adams, Wolborska, Bed Depth Service Time, Clark and Yoon-Nelson. These models allow us to express the different parameters controlling the performance of the dynamic adsorption system. The results have shown that all models were found suitable for describing the whole or a deﬁnite part of the dynamic behavior of the column with respect to the ﬂow rate, the inlet dye concentration and the height of fixed bed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=adsorption%20column" title="adsorption column">adsorption column</a>, <a href="https://publications.waset.org/abstracts/search?q=malachite%20green" title=" malachite green"> malachite green</a>, <a href="https://publications.waset.org/abstracts/search?q=pillared%20clays" title=" pillared clays"> pillared clays</a>, <a href="https://publications.waset.org/abstracts/search?q=alginate" title=" alginate"> alginate</a>, <a href="https://publications.waset.org/abstracts/search?q=modeling" title=" modeling"> modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=mathematic%20models" title=" mathematic models"> mathematic models</a>, <a href="https://publications.waset.org/abstracts/search?q=encapsulation." title=" encapsulation."> encapsulation.</a> </p> <a href="https://publications.waset.org/abstracts/22852/fixed-bed-column-studies-of-green-malachite-removal-by-use-of-alginate-encapsulated-aluminium-pillared-clay" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/22852.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">508</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">37</span> A Dynamic Column Adsorption Study of Methyl Blue on Synthesis onto Synthesized Chitosan Immobilized Sawdust Cellulose Nanocrystals</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Opeyemi%20A.%20Oyewo">Opeyemi A. Oyewo</a>, <a href="https://publications.waset.org/abstracts/search?q=Seshibe%20Makgato"> Seshibe Makgato</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents the synthesis, characterization, and application of pelletized chitosan immobilized sawdust cellulose nanocrystals (PCCN) in a fixed-bed column for the continuous adsorption of methyl blue (MB) from water. The product was characterized using FT-IR, XRD, and SEM analysis. Microstructural examination revealed that the pellets are porous and spherical. XRD examination revealed phases that can be attributed to the presence of chitosan in PCCN. The effects of starting concentration, bed depth, and flow rate on synthetic water were explored. To identify MB breakthrough behaviour, performance indices such as bed volume, adsorbent exhaustion rate, and service time were investigated. Furthermore, the breakthrough data were incorporated into both the Thomas and Bohart-Adams models. The Thomas model was suitable for describing MB breakthrough curves. However, more research with diverse water matrices may be required to assess the resilience of PCCN. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=adsorption" title="adsorption">adsorption</a>, <a href="https://publications.waset.org/abstracts/search?q=dynamic" title=" dynamic"> dynamic</a>, <a href="https://publications.waset.org/abstracts/search?q=methyl%20blue" title=" methyl blue"> methyl blue</a>, <a href="https://publications.waset.org/abstracts/search?q=pelletization" title=" pelletization"> pelletization</a> </p> <a href="https://publications.waset.org/abstracts/190100/a-dynamic-column-adsorption-study-of-methyl-blue-on-synthesis-onto-synthesized-chitosan-immobilized-sawdust-cellulose-nanocrystals" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/190100.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">30</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">36</span> Passive Non-Prehensile Manipulation on Helix Path Based on Mechanical Intelligence</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abdullah%20Bajelan">Abdullah Bajelan</a>, <a href="https://publications.waset.org/abstracts/search?q=Adel%20Akbarimajd"> Adel Akbarimajd</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Object manipulation techniques in robotics can be categorized in two major groups including manipulation with grasp and manipulation without grasp. The original aim of this paper is to develop an object manipulation method where in addition to being grasp-less, the manipulation task is done in a passive approach. In this method, linear and angular positions of the object are changed and its manipulation path is controlled. The manipulation path is a helix track with constant radius and incline. The method presented in this paper proposes a system which has not the actuator and the active controller. So this system requires a passive mechanical intelligence to convey the object from the status of the source along the specified path to the goal state. This intelligent is created based on utilizing the geometry of the system components. A general set up for the components of the system is considered to satisfy the required conditions. Then after kinematical analysis, detailed dimensions and geometry of the mechanism is obtained. The kinematical results are verified by simulation in ADAMS. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=mechanical%20intelligence" title="mechanical intelligence">mechanical intelligence</a>, <a href="https://publications.waset.org/abstracts/search?q=object%20manipulation" title=" object manipulation"> object manipulation</a>, <a href="https://publications.waset.org/abstracts/search?q=passive%20mechanism" title=" passive mechanism"> passive mechanism</a>, <a href="https://publications.waset.org/abstracts/search?q=passive%20non-prehensile%20manipulation" title=" passive non-prehensile manipulation"> passive non-prehensile manipulation</a> </p> <a href="https://publications.waset.org/abstracts/11209/passive-non-prehensile-manipulation-on-helix-path-based-on-mechanical-intelligence" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/11209.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">482</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">35</span> Modal Dynamic Analysis of a Mechanism with Deformable Elements from an Oil Pump Unit Structure</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=N.%20Dumitru">N. Dumitru</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Dumitru"> S. Dumitru</a>, <a href="https://publications.waset.org/abstracts/search?q=C.%20Copilusi"> C. Copilusi</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20Ploscaru"> N. Ploscaru</a> </p> <p class="card-text"><strong>Abstract:</strong></p> On this research, experimental analyses have been performed in order to determine the oil pump mechanism dynamics and stability from an oil unit mechanical structure. The experimental tests were focused on the vibrations which occur inside of the rod element during functionality of the oil pump unit. The oil pump mechanism dynamic parameters were measured and also determined through numerical computations. Entire research is based on the oil pump unit mechanical system virtual prototyping. For a complete analysis of the mechanism, the frequency dynamic response was identified, mainly for the mechanism driven element, based on two methods: processing and virtual simulations with MSC Adams aid and experimental analysis. In fact, through this research, a complete methodology is presented where numerical simulations of a mechanism with deformed elements are developed on a dynamic mode and these can be correlated with experimental tests. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=modal%20dynamic%20analysis" title="modal dynamic analysis">modal dynamic analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=oil%20pump" title=" oil pump"> oil pump</a>, <a href="https://publications.waset.org/abstracts/search?q=vibrations" title=" vibrations"> vibrations</a>, <a href="https://publications.waset.org/abstracts/search?q=flexible%20elements" title=" flexible elements"> flexible elements</a>, <a href="https://publications.waset.org/abstracts/search?q=frequency%20response" title=" frequency response"> frequency response</a> </p> <a href="https://publications.waset.org/abstracts/47941/modal-dynamic-analysis-of-a-mechanism-with-deformable-elements-from-an-oil-pump-unit-structure" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/47941.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">319</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">34</span> Social Discussion Networks during the Covid-19 Pandemic: A Study of College Students Core Discussion Groups</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Regan%20Harper">Regan Harper</a>, <a href="https://publications.waset.org/abstracts/search?q=Song%20Yang"> Song Yang</a>, <a href="https://publications.waset.org/abstracts/search?q=Douglas%20Adams"> Douglas Adams</a> </p> <p class="card-text"><strong>Abstract:</strong></p> During the historically unprecedent time of Covid-19 pandemic, we survey college students with social issue generators to measure their core discussion groups. For the total 191 students, we elicit 847 conversation partners (alters) with our five social issue generators such as school closing, facemasks, collegiate sports, race and policing, and social inequality, producing an average of 4.43 alters per respondent. The core discussion groups of our sample are very gender balanced, with female alters slightly outnumbering male alters. However, the core discussion groups are racially homogenous, consisting of mostly white students (around or above 80 percent). Explanatory analyses reveal that gender and race of respondents significantly impact the size, gender composition, and racial composition of their core discussion networks. We discuss those major findings and implications of future studies in our conclusion section. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=core%20discussion%20groups" title="core discussion groups">core discussion groups</a>, <a href="https://publications.waset.org/abstracts/search?q=social%20issue%20generators" title=" social issue generators"> social issue generators</a>, <a href="https://publications.waset.org/abstracts/search?q=ego-centric%20network" title=" ego-centric network"> ego-centric network</a>, <a href="https://publications.waset.org/abstracts/search?q=Covid-19%20pandemic" title=" Covid-19 pandemic"> Covid-19 pandemic</a> </p> <a href="https://publications.waset.org/abstracts/157236/social-discussion-networks-during-the-covid-19-pandemic-a-study-of-college-students-core-discussion-groups" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/157236.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">91</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">33</span> Model Based Simulation Approach to a 14-Dof Car Model Using Matlab/Simulink</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ishit%20Sheth">Ishit Sheth</a>, <a href="https://publications.waset.org/abstracts/search?q=Chandrasekhar%20Jinendran"> Chandrasekhar Jinendran</a>, <a href="https://publications.waset.org/abstracts/search?q=Chinmaya%20Ranjan%20Sahu"> Chinmaya Ranjan Sahu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A fourteen degree of freedom (DOF) ride and handling control mathematical model is developed for a car using generalized boltzmann hamel equation which will create a basis for design of ride and handling controller. Mathematical model developed yield equations of motion for non-holonomic constrained systems in quasi-coordinates. The governing differential equation developed integrates ride and handling control of car. Model-based systems engineering approach is implemented for simulation using matlab/simulink, vehicle’s response in different DOF is examined and later validated using commercial software (ADAMS). This manuscript involves detailed derivation of full car vehicle model which provides response in longitudinal, lateral and yaw motion to demonstrate the advantages of the developed model over the existing dynamic model. The dynamic behaviour of the developed ride and handling model is simulated for different road conditions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Full%20Vehicle%20Model" title="Full Vehicle Model">Full Vehicle Model</a>, <a href="https://publications.waset.org/abstracts/search?q=MBSE" title=" MBSE"> MBSE</a>, <a href="https://publications.waset.org/abstracts/search?q=Non%20Holonomic%20Constraints" title=" Non Holonomic Constraints"> Non Holonomic Constraints</a>, <a href="https://publications.waset.org/abstracts/search?q=Boltzmann%20Hamel%20Equation" title=" Boltzmann Hamel Equation"> Boltzmann Hamel Equation</a> </p> <a href="https://publications.waset.org/abstracts/135319/model-based-simulation-approach-to-a-14-dof-car-model-using-matlabsimulink" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/135319.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">228</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=MSC%20Adams&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=MSC%20Adams&page=3">3</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=MSC%20Adams&page=2" rel="next">&rsaquo;</a></li> </ul> </div> </main> <footer> <div id="infolinks" class="pt-3 pb-2"> <div class="container"> <div style="background-color:#f5f5f5;" class="p-3"> <div class="row"> <div class="col-md-2"> <ul class="list-unstyled"> About <li><a href="https://waset.org/page/support">About Us</a></li> <li><a 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