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Erkoc</title> <meta name="description" content="Search results for: Murat Erkoc"> <meta name="keywords" content="Murat Erkoc"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none navbar-toggler ml-auto" type="button" data-toggle="collapse" data-target="#navbarMenu" aria-controls="navbarMenu" aria-expanded="false" aria-label="Toggle navigation"> <span class="navbar-toggler-icon"></span> </button> <div class="w-100"> <div class="d-none d-lg-flex flex-row-reverse"> <form method="get" action="https://waset.org/search" class="form-inline my-2 my-lg-0"> <input class="form-control mr-sm-2" type="search" placeholder="Search Conferences" value="Murat Erkoc" name="q" aria-label="Search"> <button class="btn btn-light my-2 my-sm-0" type="submit"><i class="fas fa-search"></i></button> </form> </div> <div class="collapse navbar-collapse mt-1" id="navbarMenu"> <ul class="navbar-nav ml-auto align-items-center" id="mainNavMenu"> <li class="nav-item"> <a class="nav-link" href="https://waset.org/conferences" title="Conferences in 2024/2025/2026">Conferences</a> </li> <li class="nav-item"> <a class="nav-link" href="https://waset.org/disciplines" title="Disciplines">Disciplines</a> </li> <li 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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="Murat Erkoc"> <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> 118</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Murat Erkoc</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">118</span> Optimal MRO Process Scheduling with Rotable Inventory to Minimize Total Earliness</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Murat%20Erkoc">Murat Erkoc</a>, <a href="https://publications.waset.org/abstracts/search?q=Kadir%20Ertogral"> Kadir Ertogral</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Maintenance, repair and overhauling (MRO) of high cost equipment used in many industries such as transportation, military and construction are typically subject to regulations set by local governments or international agencies. Aircrafts are prime examples for this kind of equipment. Such equipment must be overhauled at certain intervals for continuing permission of use. As such, the overhaul must be completed by strict deadlines, which often times cannot be exceeded. Due to the fact that the overhaul is typically a long process, MRO companies carry so called rotable inventory for exchange of expensive modules in the overhaul process of the equipment so that the equipment continue its services with minimal interruption. The extracted module is overhauled and returned back to the inventory for future exchange, hence the name rotable inventory. However, since the rotable inventory and overhaul capacity are limited, it may be necessary to carry out some of the exchanges earlier than their deadlines in order to produce a feasible overhaul schedule. An early exchange results with a decrease in the equipment’s cycle time in between overhauls and as such, is not desired by the equipment operators. This study introduces an integer programming model for the optimal overhaul and exchange scheduling. We assume that there is certain number of rotables at hand at the beginning of the planning horizon for a single type module and there are multiple demands with known deadlines for the exchange of the modules. We consider an MRO system with identical parallel processing lines. The model minimizes total earliness by generating optimal overhaul start times for rotables on parallel processing lines and exchange timetables for orders. We develop a fast exact solution algorithm for the model. The algorithm employs full-delay scheduling approach with backward allocation and can easily be used for overhaul scheduling problems in various MRO settings with modular rotable items. The proposed procedure is demonstrated by a case study from the aerospace industry. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=rotable%20inventory" title="rotable inventory">rotable inventory</a>, <a href="https://publications.waset.org/abstracts/search?q=full-delay%20scheduling" title=" full-delay scheduling"> full-delay scheduling</a>, <a href="https://publications.waset.org/abstracts/search?q=maintenance" title=" maintenance"> maintenance</a>, <a href="https://publications.waset.org/abstracts/search?q=overhaul" title=" overhaul"> overhaul</a>, <a href="https://publications.waset.org/abstracts/search?q=total%20earliness" title=" total earliness"> total earliness</a> </p> <a href="https://publications.waset.org/abstracts/26249/optimal-mro-process-scheduling-with-rotable-inventory-to-minimize-total-earliness" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/26249.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">544</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">117</span> The Effects of Signal Level of the Microwave Generator on the Brillouin Gain Spectrum in BOTDA and BOTDR</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Murat%20Yucel">Murat Yucel</a>, <a href="https://publications.waset.org/abstracts/search?q=Murat%20Yucel"> Murat Yucel</a>, <a href="https://publications.waset.org/abstracts/search?q=Nail%20Ferhat%20Ozturk"> Nail Ferhat Ozturk</a>, <a href="https://publications.waset.org/abstracts/search?q=Halim%20Haldun%20Goktas"> Halim Haldun Goktas</a>, <a href="https://publications.waset.org/abstracts/search?q=Cemal%20Gemci"> Cemal Gemci</a>, <a href="https://publications.waset.org/abstracts/search?q=Fatih%20Vehbi%20Celebi"> Fatih Vehbi Celebi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, Brillouin gain spectrum (BGS) is experimentally analyzed in the Brillouin optical time domain reflectometry (BOTDR) and Brillouin optical time domain analyzer (BOTDA). For this purpose, the signal level of the microwave generator is varied and the effects of BGS are investigated. In the setups, 20 km conventional single mode fiber is used to both setups and laser wavelengths are selected around 1550 nm. To achieve best results, it can be used between 5 dBm to 15 dBm signal level of microwave generator for BOTDA and BOTDR setups. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=microwave%20signal%20level" title="microwave signal level">microwave signal level</a>, <a href="https://publications.waset.org/abstracts/search?q=Brillouin%20gain%20spectrum" title=" Brillouin gain spectrum"> Brillouin gain spectrum</a>, <a href="https://publications.waset.org/abstracts/search?q=BOTDA" title=" BOTDA"> BOTDA</a>, <a href="https://publications.waset.org/abstracts/search?q=BOTDR" title=" BOTDR"> BOTDR</a> </p> <a href="https://publications.waset.org/abstracts/35057/the-effects-of-signal-level-of-the-microwave-generator-on-the-brillouin-gain-spectrum-in-botda-and-botdr" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/35057.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">688</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">116</span> Autonomous Flight Performance Improvement of Load-Carrying Unmanned Aerial Vehicles by Active Morphing</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tugrul%20Oktay">Tugrul Oktay</a>, <a href="https://publications.waset.org/abstracts/search?q=Mehmet%20Konar"> Mehmet Konar</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20Abdallah%20Mohamed"> Mohamed Abdallah Mohamed</a>, <a href="https://publications.waset.org/abstracts/search?q=Murat%20Aydin"> Murat Aydin</a>, <a href="https://publications.waset.org/abstracts/search?q=Firat%20Sal"> Firat Sal</a>, <a href="https://publications.waset.org/abstracts/search?q=Murat%20Onay"> Murat Onay</a>, <a href="https://publications.waset.org/abstracts/search?q=Mustafa%20Soylak"> Mustafa Soylak</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, it is aimed to improve autonomous flight performance of a load-carrying (payload: 3 kg and total: 6kg) unmanned aerial vehicle (UAV) through active wing and horizontal tail active morphing and also integrated autopilot system parameters (i.e. P, I, D gains) and UAV parameters (i.e. extension ratios of wing and horizontal tail during flight) design. For this purpose, a loadcarrying UAV (i.e. ZANKA-II) is manufactured in Erciyes University, College of Aviation, Model Aircraft Laboratory is benefited. Optimum values of UAV parameters and autopilot parameters are obtained using a stochastic optimization method. Using this approach autonomous flight performance of UAV is substantially improved and also in some adverse weather conditions an opportunity for safe flight is satisfied. Active morphing and integrated design approach gives confidence, high performance and easy-utility request of UAV users. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=unmanned%20aerial%20vehicles" title="unmanned aerial vehicles">unmanned aerial vehicles</a>, <a href="https://publications.waset.org/abstracts/search?q=morphing" title=" morphing"> morphing</a>, <a href="https://publications.waset.org/abstracts/search?q=autopilots" title=" autopilots"> autopilots</a>, <a href="https://publications.waset.org/abstracts/search?q=autonomous%20performance" title=" autonomous performance"> autonomous performance</a> </p> <a href="https://publications.waset.org/abstracts/34960/autonomous-flight-performance-improvement-of-load-carrying-unmanned-aerial-vehicles-by-active-morphing" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/34960.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">673</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">115</span> A Study on Holosen-Pleistosen Sedimentology of Morphotectonic Structure and Seismicity of Gökova Bay</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ebru%20Aktepe%20Erko%C3%A7">Ebru Aktepe Erkoç</a>, <a href="https://publications.waset.org/abstracts/search?q=Atilla%20Ulu%C4%9F"> Atilla Uluğ</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this research which has been prepared to show the relationship between Gökova Bay’s morphotectonic structure and seismicity, it is clear that there are many active faults in the region. The existence of a thick sedimentary accumulation since Late Quaternary times is obvious as a result of the geophysical workings in the region and the interpretation of seismic data which has been planning to be taken from the Bay. In the regions which have been tectonically active according to the interpretation of the taken data, the existence of the successive earthquakes in the last few years is remarkable. By analyzing large earthquakes affecting the areas remaining inside the sediments in West Anatolian Collapse System, this paper aims to reveal the fault systems constituting earthquakes with the information obtained from this study and to determine seismicity of the present residential areas right next to them. It is also aimed to anticipate the measures to be taken against possible earthquake hazards, to identify these areas posing a risk in terms of residential and urban planning and to determine at least partly the characteristics of the basin. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=G%C3%B6kova%20Bay" title="Gökova Bay">Gökova Bay</a>, <a href="https://publications.waset.org/abstracts/search?q=sedimentation" title=" sedimentation"> sedimentation</a>, <a href="https://publications.waset.org/abstracts/search?q=seismic" title=" seismic"> seismic</a>, <a href="https://publications.waset.org/abstracts/search?q=West%20Anatolian" title=" West Anatolian"> West Anatolian</a> </p> <a href="https://publications.waset.org/abstracts/47227/a-study-on-holosen-pleistosen-sedimentology-of-morphotectonic-structure-and-seismicity-of-gokova-bay" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/47227.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">262</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">114</span> The Analysis of the Effect of Brand Image on Creating Brand Loyalty with the Structural Equation Model: A Research Study on the Sports Equipment Brand Users</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Murat%20Erdo%C4%9Fdu">Murat Erdoğdu</a>, <a href="https://publications.waset.org/abstracts/search?q=Murat%20Ko%C3%A7yi%C4%9Fit"> Murat Koçyiğit</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Brand image and brand loyalty are among the most important relational marketing elements for brand owners to be able to set up long – term relationships with their customers and to maintain these relationships. Brand owners improve their brand images with the positive perceptions remaining in the consumers’ minds. In addition, they try to find the customers that are both emotionally and behaviourally faithful to themselves in order to set up long – term relationships. Therefore, the aim of this study is to analyse the effects of the brand image that has a very important role among relational marketing elements on the brand loyalty in terms of the variables such as the perceived value, the trust in brand and the brand satisfaction. In this context, a conceptual model was created to determine the effect of the brand image on the brand loyalty thanks to the Structural Equation Model (SEM). According to this aim and this model, the study was carried out in the scope of the data collected through the questionnaires in Konya with the method of convenience sampling. The results of the research showed that the brand image has positive significant effects on the perceived value and the trust in brand and that the trust in brand has positive significant effects on the brand satisfaction, and that the brand satisfaction has positive significant effects on the brand loyalty. Thus, the hypotheses that the brand image has direct effects on the perceived value and the trust in brand and that the trust in brand has direct effects on the brand satisfaction and that the brand satisfaction has direct effects on the brand loyalty were supported. In addition, the findings about whether the perceived value has a significant effect on the brand satisfaction were also acquired. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=brand%20image" title="brand image">brand image</a>, <a href="https://publications.waset.org/abstracts/search?q=brand%20loyalty" title=" brand loyalty"> brand loyalty</a>, <a href="https://publications.waset.org/abstracts/search?q=perceived%20value" title=" perceived value"> perceived value</a>, <a href="https://publications.waset.org/abstracts/search?q=satisfaction" title=" satisfaction"> satisfaction</a>, <a href="https://publications.waset.org/abstracts/search?q=trust" title=" trust"> trust</a> </p> <a href="https://publications.waset.org/abstracts/36443/the-analysis-of-the-effect-of-brand-image-on-creating-brand-loyalty-with-the-structural-equation-model-a-research-study-on-the-sports-equipment-brand-users" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/36443.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">440</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">113</span> Computer Aided Shoulder Prosthesis Design and Manufacturing </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Didem%20Venus%20Yildiz">Didem Venus Yildiz</a>, <a href="https://publications.waset.org/abstracts/search?q=Murat%20Hocaoglu"> Murat Hocaoglu</a>, <a href="https://publications.waset.org/abstracts/search?q=Murat%20Dursun"> Murat Dursun</a>, <a href="https://publications.waset.org/abstracts/search?q=Taner%20Akkan"> Taner Akkan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The shoulder joint is a more complex structure than the hip or knee joints. In addition to the overall complexity of the shoulder joint, two different factors influence the insufficient outcome of shoulder replacement: the shoulder prosthesis design is far from fully developed and it is difficult to place these shoulder prosthesis due to shoulder anatomy. The glenohumeral joint is the most complex joint of the human shoulder. There are various treatments for shoulder failures such as total shoulder arthroplasty, reverse total shoulder arthroplasty. Due to its reverse design than normal shoulder anatomy, reverse total shoulder arthroplasty has different physiological and biomechanical properties. Post-operative achievement of this arthroplasty is depend on improved design of reverse total shoulder prosthesis. Designation achievement can be increased by several biomechanical and computational analysis. In this study, data of human both shoulders with right side fracture was collected by 3D Computer Tomography (CT) machine in dicom format. This data transferred to 3D medical image processing software (Mimics Materilise, Leuven, Belgium) to reconstruct patient’s left and right shoulders’ bones geometry. Provided 3D geometry model of the fractured shoulder was used to constitute of reverse total shoulder prosthesis by 3-matic software. Finite element (FE) analysis was conducted for comparison of intact shoulder and prosthetic shoulder in terms of stress distribution and displacements. Body weight physiological reaction force of 800 N loads was applied. Resultant values of FE analysis was compared for both shoulders. The analysis of the performance of the reverse shoulder prosthesis could enhance the knowledge of the prosthetic design. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=reverse%20shoulder%20prosthesis" title="reverse shoulder prosthesis">reverse shoulder prosthesis</a>, <a href="https://publications.waset.org/abstracts/search?q=biomechanics" title=" biomechanics"> biomechanics</a>, <a href="https://publications.waset.org/abstracts/search?q=finite%20element%20analysis" title=" finite element analysis"> finite element analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=3D%20printing" title=" 3D printing"> 3D printing</a> </p> <a href="https://publications.waset.org/abstracts/116132/computer-aided-shoulder-prosthesis-design-and-manufacturing" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/116132.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">156</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">112</span> The Reasons behind Individuals to Join Terrorist Organizations: Recruitment from Outside</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Murat%20S%C3%B6zen">Murat Sözen</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Today terrorism is gaining momentum again. Parallel to this, it hurts more than before because it has victims from not only its own locations but also remote places. As victims are from outside, militants are likewise from own location and outside. What made these individuals join the terrorist organizations and how these organizations recruit militants are still unanswered. The purpose of this work is to find reasons of joining and power of recruiting. In addition, the role of most popular tool of recruiting, ‘social media’ will be examined. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=recruitment" title="recruitment">recruitment</a>, <a href="https://publications.waset.org/abstracts/search?q=social%20media" title=" social media"> social media</a>, <a href="https://publications.waset.org/abstracts/search?q=recruitment" title=" recruitment"> recruitment</a>, <a href="https://publications.waset.org/abstracts/search?q=militants" title=" militants"> militants</a> </p> <a href="https://publications.waset.org/abstracts/41045/the-reasons-behind-individuals-to-join-terrorist-organizations-recruitment-from-outside" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/41045.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">347</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">111</span> Defining the Term of Strategy within Military Point of View</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ismail%20Menderes%20Sema">Ismail Menderes Sema</a>, <a href="https://publications.waset.org/abstracts/search?q=Murat%20S%C3%B6zen"> Murat Sözen</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20K.%20Bar%C4%B1%C5%9F"> M. K. Barış </a> </p> <p class="card-text"><strong>Abstract:</strong></p> The strategy is about winning or preventing your enemy from winning. The origin of the term comes from the military. After utilizing the strategy for limited military purposes in early ages, soldiers and statesmen used the term together to achieve the goals of states. In ancient times, those people who made strategy and implemented it was the same. With the industrial revolution, the strategy changed like everything and the term “grand strategy” came forward. Today, from business to economy, management to philosophy there is a broad using of the term strategy. Economic strategy, business strategy, trade strategy, irrigation strategy, and even recruitment strategy are used by professionals. The purpose of this study is to analyze the evolution of the strategy and clarify actually what is about. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=strategy" title="strategy">strategy</a>, <a href="https://publications.waset.org/abstracts/search?q=military" title=" military"> military</a>, <a href="https://publications.waset.org/abstracts/search?q=art" title=" art"> art</a>, <a href="https://publications.waset.org/abstracts/search?q=grand%20strategy" title=" grand strategy"> grand strategy</a>, <a href="https://publications.waset.org/abstracts/search?q=strategist" title=" strategist"> strategist</a> </p> <a href="https://publications.waset.org/abstracts/31137/defining-the-term-of-strategy-within-military-point-of-view" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/31137.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">454</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">110</span> Why Do We Need Hierachical Linear Models?</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mustafa%20Ayd%C4%B1n">Mustafa Aydın</a>, <a href="https://publications.waset.org/abstracts/search?q=Ali%20Murat%20Sunbul"> Ali Murat Sunbul</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Hierarchical or nested data structures usually are seen in many research areas. Especially, in the field of education, if we examine most of the studies, we can see the nested structures. Students in classes, classes in schools, schools in cities and cities in regions are similar nested structures. In a hierarchical structure, students being in the same class, sharing the same physical conditions and similar experiences and learning from the same teachers, they demonstrate similar behaviors between them rather than the students in other classes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=hierarchical%20linear%20modeling" title="hierarchical linear modeling">hierarchical linear modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=nested%20data" title=" nested data"> nested data</a>, <a href="https://publications.waset.org/abstracts/search?q=hierarchical%20structure" title="hierarchical structure">hierarchical structure</a>, <a href="https://publications.waset.org/abstracts/search?q=data%20structure" title=" data structure "> data structure </a> </p> <a href="https://publications.waset.org/abstracts/2470/why-do-we-need-hierachical-linear-models" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/2470.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">652</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">109</span> Detection of Polymorphism of Growth Hormone Gene in Holstein Cattle</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Emine%20%C5%9Eahin">Emine Şahin</a>, <a href="https://publications.waset.org/abstracts/search?q=Murat%20Soner%20Balc%C4%B1o%C4%9Flu"> Murat Soner Balcıoğlu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of this study was to determine the growth hormone (bGH) gene polymorphism in the Holstein cattle growing around Antalya in Turkey. In order to determine the bGH-AluI polymorphism, polymerase chain reaction - restriction fragment length polymorphism (PCR-RFLP) method was performed. A 891 bp fragment of bGH was amplified and two types of alleles C and D for bGH were observed. In this study, the frequencies of C and D alleles were 0.8438 and 0.1562, respectively. The genotype frequencies for CC, CD and DD were 0.787, 0.191 and 0.022, respectively. According to the results of the chi-square test, a significant deviation from the Hardy-Weinberg equilibrium was not determined for the bGH locus in the population. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Growth%20Hormone%20Gene" title="Growth Hormone Gene">Growth Hormone Gene</a>, <a href="https://publications.waset.org/abstracts/search?q=Holstein" title=" Holstein "> Holstein </a>, <a href="https://publications.waset.org/abstracts/search?q=Polymorphism" title=" Polymorphism"> Polymorphism</a>, <a href="https://publications.waset.org/abstracts/search?q=RFLP" title=" RFLP"> RFLP</a> </p> <a href="https://publications.waset.org/abstracts/63845/detection-of-polymorphism-of-growth-hormone-gene-in-holstein-cattle" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/63845.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">371</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">108</span> Thermal Management of a Compact Electronic Device Subjected to Different Harsh Operating Conditions</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Murat%20Parlak">Murat Parlak</a>, <a href="https://publications.waset.org/abstracts/search?q=Muhammed%20%C3%87a%C4%9Flar%20Malyemez"> Muhammed Çağlar Malyemez</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In a harsh environment, it is crucialtoinvestigatethethermal problem systematically implement a reliableandeffectivecoolingtechniqueformilitaryequipment. In this study, an electronicaldevice has been designed to fit different boundary conditions. Manyfinalternatives can be possiblesolutionsforthethermal problem. Therefore, it is an important step to define an easyproduciblefindesignand a low power fan selection for the optimum unit-design satisfying IP68. The equipment is planned to serve at 71C environment conditions and it also can be screwedto a cold plate at +85C. In both conditions, it is intendedtousethesamechassiswithoutanymodifications. To optimize such a ruggeddevice, all CFD analysis has been done withAnsysFluent 2021®. Afterstudyingpinfins, it is seenthatthesurfacearea is not enough, hencethefin-type is changed to a straightrectangulartypewithforcedconvectioncooling. Finally, a verycompactproductthat can serve in a harsh environment is obtained. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=electronic%20cooling" title="electronic cooling">electronic cooling</a>, <a href="https://publications.waset.org/abstracts/search?q=harsh%20environment" title=" harsh environment"> harsh environment</a>, <a href="https://publications.waset.org/abstracts/search?q=forced%20convection" title=" forced convection"> forced convection</a>, <a href="https://publications.waset.org/abstracts/search?q=compact%20design" title=" compact design"> compact design</a> </p> <a href="https://publications.waset.org/abstracts/144706/thermal-management-of-a-compact-electronic-device-subjected-to-different-harsh-operating-conditions" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/144706.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">179</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">107</span> Augmented Reality Aplications for Armed Forces</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Murat%20S%C3%B6zen">Murat Sözen</a> </p> <p class="card-text"><strong>Abstract:</strong></p> It is not at all difficult to estimate which level today’s technology reaches considering that humankinds space-faring in early 1950s. Technology is a means to help achieve goals and people can produce systems on their physical and mental abilities. Needed and used as tools in all areas of life and became a necessity and dependency, technology, widely used in the military field. To be a revolutionary change in the military matters, opportunities offered by technology should be put into practice. Tech makes weapons, sensors, platforms and soldiers carrying them more effective. To increase this efficiency in the battlefield defense industry is seeking every advantage of technology. In this study, the applicability of existing and on-going augmented reality applications for Armed Forces will be evaluated. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=augmented%20reality" title="augmented reality">augmented reality</a>, <a href="https://publications.waset.org/abstracts/search?q=battlefield" title=" battlefield"> battlefield</a>, <a href="https://publications.waset.org/abstracts/search?q=military" title=" military"> military</a>, <a href="https://publications.waset.org/abstracts/search?q=virtual%20reality" title=" virtual reality"> virtual reality</a> </p> <a href="https://publications.waset.org/abstracts/39617/augmented-reality-aplications-for-armed-forces" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/39617.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">266</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">106</span> General Framework for Price Regulation of Container Terminals</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Murat%20Yildiz">Murat Yildiz</a>, <a href="https://publications.waset.org/abstracts/search?q=Burcu%20Yildiz"> Burcu Yildiz</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Price Cap Regulation is a form of economic regulation designed in the 1980s in the United Kingdom. Price cap regulation sets a cap on the price that the utility provider can charge. The cap is set according to several economic factors, such as the price cap index, expected efficiency savings and inflation. It has been used by several countries as a regulatory regime in several sectors. Container port privatization is still in early stages in some countries. Lack of a general framework can be an impediment to privatization. This paper aims a general framework to comprising decisions to be made for variables which are able to accommodate the variety of container terminals. Several approaches that may be needed as well as a passage between approaches. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Price%20Cap%20Regulation" title="Price Cap Regulation">Price Cap Regulation</a>, <a href="https://publications.waset.org/abstracts/search?q=ports%20privatization" title=" ports privatization"> ports privatization</a>, <a href="https://publications.waset.org/abstracts/search?q=container%20terminal%20price%20regime" title=" container terminal price regime"> container terminal price regime</a>, <a href="https://publications.waset.org/abstracts/search?q=earning%20sharing" title=" earning sharing"> earning sharing</a> </p> <a href="https://publications.waset.org/abstracts/46297/general-framework-for-price-regulation-of-container-terminals" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/46297.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">359</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">105</span> Financial Problems Met in the Tourism Sector in Turkey: A Survey on the Tourism Businesses</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Raif%20Parlakkaya">Raif Parlakkaya</a>, <a href="https://publications.waset.org/abstracts/search?q=Huseyin%20Cetin"> Huseyin Cetin</a>, <a href="https://publications.waset.org/abstracts/search?q=Halil%20Akmese"> Halil Akmese</a>, <a href="https://publications.waset.org/abstracts/search?q=Mesut%20Murat%20Adabali"> Mesut Murat Adabali</a> </p> <p class="card-text"><strong>Abstract:</strong></p> As the economies of other countries in the Mediterranean Basin, the tourism sector in our country has a high denominator in economics. Tourism businesses, which are building blocks of tourism, sector faces with a variety of problems during their activities. These problems faced make business efficiency and competition conditions of the businesses difficult. Most of the problems faced by the tourism businesses and the information of consumers about consumers’ rights were used in this study, which is conducted to determine the problems of tourism businesses in the Central Anatolia Region. It is aimed to contribute the awareness of staff and executives working at tourism sector and to attract attention of businesses active concurrently with tourism sector and legislators. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=financial%20problems" title="financial problems">financial problems</a>, <a href="https://publications.waset.org/abstracts/search?q=the%20problems%20of%20tourism%20businesses" title=" the problems of tourism businesses"> the problems of tourism businesses</a>, <a href="https://publications.waset.org/abstracts/search?q=tourism%20businesses" title=" tourism businesses"> tourism businesses</a>, <a href="https://publications.waset.org/abstracts/search?q=tourism%20sector%20in%20Turkey" title=" tourism sector in Turkey"> tourism sector in Turkey</a> </p> <a href="https://publications.waset.org/abstracts/26823/financial-problems-met-in-the-tourism-sector-in-turkey-a-survey-on-the-tourism-businesses" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/26823.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">488</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">104</span> Characterization of Titanium -Niobium Alloys by Powder Metallurgy as İmplant</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Eyy%C3%BCp%20Murat%20Karakurt">Eyyüp Murat Karakurt</a>, <a href="https://publications.waset.org/abstracts/search?q=Yan%20Huang">Yan Huang</a>, <a href="https://publications.waset.org/abstracts/search?q=Mehmet%20Kaya">Mehmet Kaya</a>, <a href="https://publications.waset.org/abstracts/search?q=H%C3%BCseyin%20Demirta%C5%9F">Hüseyin Demirtaş</a>, <a href="https://publications.waset.org/abstracts/search?q=Alper%20%C4%B0ncesu">Alper İncesu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, Ti-(x) Nb (at. %) master alloys (x:10, 20, and 30) were fabricated following a standard powder metallurgy route and were sintered at 1200 ˚C for 6h, under 300 MPa by powder metallurgy method. The effect of the Nb concentration in Ti matrix and porosity level was examined experimentally. For metallographic examination, the alloys were analysed by optical microscopy and energy dispersive spectrometry analysis. In addition, X-ray diffraction was performed on the alloys to determine which compound formed in the microstructure. The compression test was applied to the alloys to understand the mechanical behaviors of the alloys. According to Nb concentration in Ti matrix, the β phase increased. Also, porosity level played a crucial role on the mechanical performance of the alloys. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nb%20concentration" title="Nb concentration">Nb concentration</a>, <a href="https://publications.waset.org/abstracts/search?q=porosity%20level" title=" porosity level"> porosity level</a>, <a href="https://publications.waset.org/abstracts/search?q=powder%20metallurgy" title=" powder metallurgy"> powder metallurgy</a>, <a href="https://publications.waset.org/abstracts/search?q=The%20%CE%B2%20phase" title=" The β phase"> The β phase</a> </p> <a href="https://publications.waset.org/abstracts/143340/characterization-of-titanium-niobium-alloys-by-powder-metallurgy-as-implant" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/143340.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">265</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">103</span> Reduced Differential Transform Methods for Solving the Fractional Diffusion Equations</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yildiray%20Keskin">Yildiray Keskin</a>, <a href="https://publications.waset.org/abstracts/search?q=Omer%20Acan"> Omer Acan</a>, <a href="https://publications.waset.org/abstracts/search?q=Murat%20Akkus"> Murat Akkus</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, the solution of fractional diffusion equations is presented by means of the reduced differential transform method. Fractional partial differential equations have special importance in engineering and sciences. Application of reduced differential transform method to this problem shows the rapid convergence of the sequence constructed by this method to the exact solution. The numerical results show that the approach is easy to implement and accurate when applied to fractional diffusion equations. The method introduces a promising tool for solving many fractional partial differential equations. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fractional%20diffusion%20equations" title="fractional diffusion equations">fractional diffusion equations</a>, <a href="https://publications.waset.org/abstracts/search?q=Caputo%20fractional%20derivative" title=" Caputo fractional derivative"> Caputo fractional derivative</a>, <a href="https://publications.waset.org/abstracts/search?q=reduced%20differential%20transform%20method" title=" reduced differential transform method"> reduced differential transform method</a>, <a href="https://publications.waset.org/abstracts/search?q=partial" title=" partial"> partial</a> </p> <a href="https://publications.waset.org/abstracts/17526/reduced-differential-transform-methods-for-solving-the-fractional-diffusion-equations" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/17526.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">525</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">102</span> Assessment of Collapse Potential of Degrading SDOF Systems</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Muzaffer%20Borekci">Muzaffer Borekci</a>, <a href="https://publications.waset.org/abstracts/search?q=Murat%20Serdar%20Kir%C3%A7il"> Murat Serdar Kirçil</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Predicting the collapse potential of a structure during earthquakes is an important issue in earthquake engineering. Many researchers proposed different methods to assess the collapse potential of structures under the effect of strong ground motions. However most of them did not consider degradation and softening effect in hysteretic behavior. In this study, collapse potential of SDOF systems caused by dynamic instability with stiffness and strength degradation has been investigated. An equation was proposed for the estimation of collapse period of SDOF system which is a limit value of period for dynamic instability. If period of the considered SDOF system is shorter than the collapse period then the relevant system exhibits dynamic instability and collapse occurs. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=collapse" title="collapse">collapse</a>, <a href="https://publications.waset.org/abstracts/search?q=degradation" title=" degradation"> degradation</a>, <a href="https://publications.waset.org/abstracts/search?q=dynamic%20instability" title=" dynamic instability"> dynamic instability</a>, <a href="https://publications.waset.org/abstracts/search?q=seismic%20response" title=" seismic response "> seismic response </a> </p> <a href="https://publications.waset.org/abstracts/19772/assessment-of-collapse-potential-of-degrading-sdof-systems" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/19772.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">378</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">101</span> Analysis of Teachers' Self Efficacy in Terms of Emotional Intelligence</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ercan%20Yilmaz">Ercan Yilmaz</a>, <a href="https://publications.waset.org/abstracts/search?q=Ali%20Murat%20S%C3%BCnb%C3%BCl"> Ali Murat Sünbül</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of the study is to investigate teachers’ self-efficacy with regards to their emotional intelligence. The relational model was used in the study. The participant of the study included 194 teachers from secondary schools in Konya, Turkey. In order to assess teachers’ emotional intelligence, “Trait Emotional Intelligence Questionnaire-short Form was implemented. For teachers’ self-efficacy, “Teachers’ Sense of Self-Efficacy Scale” was used. As a result of the study, a significant relationship is available between teachers’ sense of self-efficacy and their emotional intelligence. Teachers’ emotional intelligence enucleates approximate eighteen percent of the variable in dimension named teachers’ self-efficacy for the students’ involvement. About nineteen percent of the variable in dimension “self-efficacy for teaching strategies is represented through emotional intelligence. Teachers’ emotional intelligence demonstrates about seventeen percent of variable aimed at classroom management. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=teachers" title="teachers">teachers</a>, <a href="https://publications.waset.org/abstracts/search?q=self-efficacy" title=" self-efficacy"> self-efficacy</a>, <a href="https://publications.waset.org/abstracts/search?q=emotional%20intelligence" title=" emotional intelligence"> emotional intelligence</a>, <a href="https://publications.waset.org/abstracts/search?q=education" title=" education"> education</a> </p> <a href="https://publications.waset.org/abstracts/43587/analysis-of-teachers-self-efficacy-in-terms-of-emotional-intelligence" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/43587.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">454</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">100</span> A Comprehensive Study on the Porosity Effect of Ti-20Zr Alloy Produced by Powder Metallurgy as a Biomaterial</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Eyyup%20Murat%20Karakurt">Eyyup Murat Karakurt</a>, <a href="https://publications.waset.org/abstracts/search?q=Yan%20Huang"> Yan Huang</a>, <a href="https://publications.waset.org/abstracts/search?q=Mehmet%20Kaya"> Mehmet Kaya</a>, <a href="https://publications.waset.org/abstracts/search?q=Huseyin%20Demirtas"> Huseyin Demirtas</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, the effect of the porosity effect of Ti-20Zr alloy produced by powder metallurgy as a biomaterial was investigated experimentally. The Ti based alloys (Ti-20%Zr (at.) were produced under 300 MPa, for 6 h at 1200 °C. Afterward, the microstructure of the Ti-based alloys was analyzed by optical analysis, scanning electron microscopy, energy dispersive spectrometry. Moreover, compression tests were applied to determine the mechanical behaviour of samples. As a result, highly porous Ti-20Zr alloys exhibited an elastic modulus close to human bone. The results later were compared theoretically and experimentally. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=porosity%20effect" title="porosity effect">porosity effect</a>, <a href="https://publications.waset.org/abstracts/search?q=Ti%20based%20alloys" title=" Ti based alloys"> Ti based alloys</a>, <a href="https://publications.waset.org/abstracts/search?q=elastic%20modulus" title=" elastic modulus"> elastic modulus</a>, <a href="https://publications.waset.org/abstracts/search?q=compression%20test" title=" compression test"> compression test</a> </p> <a href="https://publications.waset.org/abstracts/131221/a-comprehensive-study-on-the-porosity-effect-of-ti-20zr-alloy-produced-by-powder-metallurgy-as-a-biomaterial" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/131221.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">230</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">99</span> Strategic Communication in Turkish Independence War</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=%C3%96zkan%20%C3%96zgen%C3%A7">Özkan Özgenç</a>, <a href="https://publications.waset.org/abstracts/search?q=Serdar%20Hacisaliho%C4%9Flu"> Serdar Hacisalihoğlu</a>, <a href="https://publications.waset.org/abstracts/search?q=Murat%20Yanik"> Murat Yanik</a> </p> <p class="card-text"><strong>Abstract:</strong></p> History has shown that quantitative and qualitative supremacy in terms of military and economic power has been inadequate to reach the desired results. In addition, public support has been a crucial requirement for the success of the any struggle. As a leader seeking ways for the independence of the country, Ataturk comprehended that the only solution was possible with the help of public will and determination. Ataturk needed an impeccable communication strategy to combine efforts by establishing a united notion and action; to convince the world and Turkish nation of the legitimacy and sacredness of Independence struggle; and to show the resolution and determination of Turkish nation against the invaders. To emancipate the Turkish nation, Ataturk shaped the nation's emotions, ideas, and behaviors by using the most appropriate tools at the best time and place since the start of Independence War in May 19, 1919. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Atat%C3%BCrk" title="Atatürk">Atatürk</a>, <a href="https://publications.waset.org/abstracts/search?q=Turkish%20independence%20struggle" title=" Turkish independence struggle"> Turkish independence struggle</a>, <a href="https://publications.waset.org/abstracts/search?q=strategic%20communication" title=" strategic communication"> strategic communication</a>, <a href="https://publications.waset.org/abstracts/search?q=independence%20war" title=" independence war"> independence war</a> </p> <a href="https://publications.waset.org/abstracts/30877/strategic-communication-in-turkish-independence-war" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/30877.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">293</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">98</span> Increasing Performance of Autopilot Guided Small Unmanned Helicopter</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tugrul%20Oktay">Tugrul Oktay</a>, <a href="https://publications.waset.org/abstracts/search?q=Mehmet%20Konar"> Mehmet Konar</a>, <a href="https://publications.waset.org/abstracts/search?q=Mustafa%20Soylak"> Mustafa Soylak</a>, <a href="https://publications.waset.org/abstracts/search?q=Firat%20Sal"> Firat Sal</a>, <a href="https://publications.waset.org/abstracts/search?q=Murat%20Onay"> Murat Onay</a>, <a href="https://publications.waset.org/abstracts/search?q=Orhan%20Kizilkaya"> Orhan Kizilkaya</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, autonomous performance of a small manufactured unmanned helicopter is tried to be increased. For this purpose, a small unmanned helicopter is manufactured in Erciyes University, Faculty of Aeronautics and Astronautics. It is called as ZANKA-Heli-I. For performance maximization, autopilot parameters are determined via minimizing a cost function consisting of flight performance parameters such as settling time, rise time, overshoot during trajectory tracking. For this purpose, a stochastic optimization method named as simultaneous perturbation stochastic approximation is benefited. Using this approach, considerable autonomous performance increase (around %23) is obtained. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=small%20helicopters" title="small helicopters">small helicopters</a>, <a href="https://publications.waset.org/abstracts/search?q=hierarchical%20control" title=" hierarchical control"> hierarchical control</a>, <a href="https://publications.waset.org/abstracts/search?q=stochastic%20optimization" title=" stochastic optimization"> stochastic optimization</a>, <a href="https://publications.waset.org/abstracts/search?q=autonomous%20performance%20maximization" title=" autonomous performance maximization"> autonomous performance maximization</a>, <a href="https://publications.waset.org/abstracts/search?q=autopilots" title=" autopilots"> autopilots</a> </p> <a href="https://publications.waset.org/abstracts/35994/increasing-performance-of-autopilot-guided-small-unmanned-helicopter" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/35994.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">582</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">97</span> Causes of Construction Delays in Qatar Construction Projects</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Murat%20Gunduz">Murat Gunduz</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohanad%20H.%20A.%20AbuHassan"> Mohanad H. A. AbuHassan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Construction industry mainly focuses on the superstructure, infrastructure, and oil and gas industry. The development of infrastructure projects in developing countries attracted a lot of foreign construction contractors, consultants, suppliers and diversified workforce to interfere and to be evolved in such huge investment. Reducing worksite delays in such projects require knowledge and attention. Therefore, it is important to identify the influencing delay attributes affecting construction projects. The significant project factors affecting construction delays were investigated. Data collection was carried out through an online web survey system to capture significant factors. Significant factors were determined with importance index and relevant recommendations are made. The output of the data analysis would lead the industry experts better assess the impact of construction delays on construction projects. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=construction%20industry" title="construction industry">construction industry</a>, <a href="https://publications.waset.org/abstracts/search?q=delays" title=" delays"> delays</a>, <a href="https://publications.waset.org/abstracts/search?q=importance%20index" title=" importance index"> importance index</a>, <a href="https://publications.waset.org/abstracts/search?q=frequency%20index" title=" frequency index"> frequency index</a> </p> <a href="https://publications.waset.org/abstracts/48492/causes-of-construction-delays-in-qatar-construction-projects" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/48492.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">364</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">96</span> A Decision Support System for Flight Disruptions Management</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Burak%20Erkayman">Burak Erkayman</a>, <a href="https://publications.waset.org/abstracts/search?q=Emin%20Gundogar"> Emin Gundogar</a>, <a href="https://publications.waset.org/abstracts/search?q=Hayrettin%20Evirgen"> Hayrettin Evirgen</a>, <a href="https://publications.waset.org/abstracts/search?q=Murat%20Sar%C4%B1"> Murat Sarı</a> </p> <p class="card-text"><strong>Abstract:</strong></p> With the increasing competition in recent years, airline companies tend to manage their operations aiming fewer losses in a robust manner. Airline operations are complex operations and have the necessity of being performed just in time and more knock-on relevant elements in the event of a disruption. In this study a knowledge based decision support system is suggested and software is developed. The developed software includes knowledge bases which are based on expert experience and government regulations, model bases and data bases. The results of the suggested approach are presented and improvable aspects of the approach are discussed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=knowledge%20based%20systems" title="knowledge based systems">knowledge based systems</a>, <a href="https://publications.waset.org/abstracts/search?q=irregular%20operations" title=" irregular operations"> irregular operations</a>, <a href="https://publications.waset.org/abstracts/search?q=decision%20support%20systems" title=" decision support systems"> decision support systems</a>, <a href="https://publications.waset.org/abstracts/search?q=flight%20disruptions%20management" title=" flight disruptions management"> flight disruptions management</a> </p> <a href="https://publications.waset.org/abstracts/2659/a-decision-support-system-for-flight-disruptions-management" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/2659.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">315</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">95</span> Design, Fabrication, and Experimental Validation of a Warm Bulge Test System</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Emine%20Feyza%20%C5%9E%C3%BCk%C3%BCr">Emine Feyza Şükür</a>, <a href="https://publications.waset.org/abstracts/search?q=Mevl%C3%BCt%20T%C3%BCrk%C3%B6z"> Mevlüt Türköz</a>, <a href="https://publications.waset.org/abstracts/search?q=Murat%20Dilme%C3%A7"> Murat Dilmeç</a>, <a href="https://publications.waset.org/abstracts/search?q=H%C3%BCseyin%20Sel%C3%A7uk%20Halkac%C4%B1"> Hüseyin Selçuk Halkacı</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, a warm bulge test system was designed, built and experimentally validated to perform warm bulge tests with all necessary systems. In addition, performance of each sub-system is validated through repeated production and/or test runs as well as through part quality measurements. Validation and performance tests were performed to characterize the repeatability of the system. As a result of these tests, the desired temperature distribution on the sheet metal was obtained by the heating systems and the good repeatability of the bulge tests was obtained. Consequently, this study is expected to provide other researchers and manufacturer with a set of design and process guidelines to develop similar systems. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=design" title="design">design</a>, <a href="https://publications.waset.org/abstracts/search?q=test%20unit" title=" test unit"> test unit</a>, <a href="https://publications.waset.org/abstracts/search?q=warm%20bulge%20test%20unit" title=" warm bulge test unit"> warm bulge test unit</a>, <a href="https://publications.waset.org/abstracts/search?q=validation%20test" title=" validation test"> validation test</a> </p> <a href="https://publications.waset.org/abstracts/37140/design-fabrication-and-experimental-validation-of-a-warm-bulge-test-system" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/37140.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">490</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">94</span> A Systematic Review on Energy Performance Gap in Buildings</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Derya%20Yilmaz">Derya Yilmaz</a>, <a href="https://publications.waset.org/abstracts/search?q=Ali%20Murat%20Tanyer"> Ali Murat Tanyer</a>, <a href="https://publications.waset.org/abstracts/search?q=Irem%20Dikmen%20Toker"> Irem Dikmen Toker</a> </p> <p class="card-text"><strong>Abstract:</strong></p> There are many studies addressing the discrepancy between the planned and actual performance of buildings, which is defined as the energy performance gap. The difference between expected and actual project results usually depends on risky events and how these risks are managed throughout the project. This study presents a systematic review of the literature about the energy performance gap in buildings. First of all, a brief history and definitions of the energy performance gap are given. The initial search string is applied on Scopus and Web of Science databases. Research activities in years, main research interests, the co-occurrence of keywords based on average publication year are given. Scientometric analyses are conducted using Vosviewer. After the review, the papers are grouped to thematic relevance. This research will create a basis for analyzing the research focus, methods, limitations, and research gaps of key papers in the field. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=energy%20performance%20gap" title="energy performance gap">energy performance gap</a>, <a href="https://publications.waset.org/abstracts/search?q=discrepancy" title=" discrepancy"> discrepancy</a>, <a href="https://publications.waset.org/abstracts/search?q=energy%20efficient%20buildings" title=" energy efficient buildings"> energy efficient buildings</a>, <a href="https://publications.waset.org/abstracts/search?q=green%20buildings" title=" green buildings"> green buildings</a> </p> <a href="https://publications.waset.org/abstracts/135122/a-systematic-review-on-energy-performance-gap-in-buildings" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/135122.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">147</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">93</span> An Improvement Study for Mattress Manufacturing Line with a Simulation Model</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Murat%20Sar%C4%B1">Murat Sarı</a>, <a href="https://publications.waset.org/abstracts/search?q=Emin%20Gundogar"> Emin Gundogar</a>, <a href="https://publications.waset.org/abstracts/search?q=Mumtaz%20Ipek"> Mumtaz Ipek</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Nowadays, in a furniture sector, competition of market share (portion) and production variety and changeability enforce the firm to reengineer operations on manufacturing line to increase the productivity. In this study, spring mattress manufacturing line of the furniture manufacturing firm is analyzed analytically. It’s intended to search and find the bottlenecks of production to balance the semi-finished material flow. There are four base points required to investigate in bottleneck elimination process. These are bottlenecks of Method, Material, Machine and Man (work force) resources, respectively. Mentioned bottlenecks are investigated and varied scenarios are created for recruitment of manufacturing system. Probable near optimal alternatives are determined by system models built in Arena simulation software. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bottleneck%20search" title="bottleneck search">bottleneck search</a>, <a href="https://publications.waset.org/abstracts/search?q=buffer%20stock" title=" buffer stock"> buffer stock</a>, <a href="https://publications.waset.org/abstracts/search?q=furniture%20sector" title=" furniture sector"> furniture sector</a>, <a href="https://publications.waset.org/abstracts/search?q=simulation" title=" simulation"> simulation</a> </p> <a href="https://publications.waset.org/abstracts/12366/an-improvement-study-for-mattress-manufacturing-line-with-a-simulation-model" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/12366.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">358</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">92</span> Weight Comparison of Oil and Dry Type Distribution Transformers</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Murat%20Toren">Murat Toren</a>, <a href="https://publications.waset.org/abstracts/search?q=Mehmet%20%C3%87elebi"> Mehmet Çelebi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Reducing the weight of transformers while providing good performance, cost reduction and increased efficiency is important. Weight is one of the most significant factors in all electrical machines, and as such, many transformer design parameters are related to weight calculations. This study presents a comparison of the weight of oil type transformers and dry type transformer weight. Oil type transformers are mainly used in industry; however, dry type transformers are becoming more widespread in recent years. MATLAB is typically used for designing transformers and design parameters (rated voltages, core loss, etc.) along with design in ANSYS Maxwell. Similar to other studies, this study presented that the dry type transformer option is limited. Moreover, the commonly-used 50 kVA distribution transformers in the industry are oil type and dry type transformers are designed and considered in terms of weight. Currently, the preference for low-cost oil-type transformers would change if costs for dry-type transformer were more competitive. The aim of this study was to compare the weight of transformers, which is a substantial cost factor, and to provide an evaluation about increasing the use of dry type transformers. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=weight" title="weight">weight</a>, <a href="https://publications.waset.org/abstracts/search?q=optimization" title=" optimization"> optimization</a>, <a href="https://publications.waset.org/abstracts/search?q=oil-type%20transformers" title=" oil-type transformers"> oil-type transformers</a>, <a href="https://publications.waset.org/abstracts/search?q=dry-type%20transformers" title=" dry-type transformers"> dry-type transformers</a> </p> <a href="https://publications.waset.org/abstracts/49059/weight-comparison-of-oil-and-dry-type-distribution-transformers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/49059.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">353</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">91</span> Analysis of Critical Success Factors of Six Sigma in Pakistani Small and Medium-Sized Enterprises</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zanjbeel%20Tabassum">Zanjbeel Tabassum</a>, <a href="https://publications.waset.org/abstracts/search?q=Cahit%20Ali%20Bayraktar"> Cahit Ali Bayraktar</a>, <a href="https://publications.waset.org/abstracts/search?q=Asfa%20Muhammad%20Din"> Asfa Muhammad Din</a>, <a href="https://publications.waset.org/abstracts/search?q=Murat%20Durucu"> Murat Durucu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Six Sigma is a widely adapted quality improvement methodology applied throughout the world. Through this paper, an attempt has been made to identify Critical Success Factors (CSF) for successful implementation of Six Sigma in Pakistani Small and Medium-sized Enterprises (SMEs). A survey methodology was used to collect the data from SMEs in Pakistan. The results of this exploratory empirical research reflect the importance of different CSFs of Six Sigma implementation in SMEs in Pakistan. On the basis of extracted factors, a framework has been proposed for successful Six Sigma implementation in Pakistani SMEs. This study will provide a base for Pakistani SMEs and future researchers working in Six Sigma implementation and help them to prepare a road map to eradicate the hurdles in Six Sigma implementation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=critical%20success%20factors" title="critical success factors">critical success factors</a>, <a href="https://publications.waset.org/abstracts/search?q=small%20medium%20enterprises%20%28SMEs%29" title=" small medium enterprises (SMEs)"> small medium enterprises (SMEs)</a>, <a href="https://publications.waset.org/abstracts/search?q=six%20sigma" title=" six sigma"> six sigma</a>, <a href="https://publications.waset.org/abstracts/search?q=Pakistan" title=" Pakistan"> Pakistan</a> </p> <a href="https://publications.waset.org/abstracts/54281/analysis-of-critical-success-factors-of-six-sigma-in-pakistani-small-and-medium-sized-enterprises" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/54281.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">356</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">90</span> Impact of Fly Ash-Based Geopolymer Modification on the High-Temperature Properties of Bitumen</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Burak%20Yigit%20Katanalp">Burak Yigit Katanalp</a>, <a href="https://publications.waset.org/abstracts/search?q=Murat%20Tastan"> Murat Tastan</a>, <a href="https://publications.waset.org/abstracts/search?q=Perviz%20Ahmedzade"> Perviz Ahmedzade</a>, <a href="https://publications.waset.org/abstracts/search?q=%C3%A7Igdem%20Canbay%20Turkyilmaz"> çIgdem Canbay Turkyilmaz</a>, <a href="https://publications.waset.org/abstracts/search?q=Emrah%20Turkyilmaz"> Emrah Turkyilmaz</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study evaluated the mechanical and rheological performance of fly ash-based geopolymer at high temperatures. A series of laboratory tests were conducted on neat bitumen and three modified bitumen samples, which incorporated fly ash-based geopolymer at various percentages. Low-calcium fly ash was used as the alumina-silica source. The dynamic shear rheometer and rotational viscometer were employed to determine high-temperature properties, while conventional tests such as penetration and softening point were used to evaluate the physical properties of bitumen. The short-term aging resistance of the samples was assessed using the rolling thin film oven. The results show that geopolymer has a compromising effect on bitumen properties, with improved stiffness, enhanced mechanical strength, and increased thermal susceptibility of the asphalt binder. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bitumen" title="bitumen">bitumen</a>, <a href="https://publications.waset.org/abstracts/search?q=geopolymer" title=" geopolymer"> geopolymer</a>, <a href="https://publications.waset.org/abstracts/search?q=modification" title=" modification"> modification</a>, <a href="https://publications.waset.org/abstracts/search?q=dynamic%20mechanical%20analysis" title=" dynamic mechanical analysis"> dynamic mechanical analysis</a> </p> <a href="https://publications.waset.org/abstracts/165226/impact-of-fly-ash-based-geopolymer-modification-on-the-high-temperature-properties-of-bitumen" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/165226.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">88</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">89</span> Buckling Analysis of Composite Shells under Compression and Torsional Loads: Numerical and Analytical Study</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=G%C3%BCne%C5%9F%20Ayd%C4%B1n">Güneş Aydın</a>, <a href="https://publications.waset.org/abstracts/search?q=Razi%20Kalantari%20Osgouei"> Razi Kalantari Osgouei</a>, <a href="https://publications.waset.org/abstracts/search?q=Murat%20Emre%20%C3%96zt%C3%BCrk"> Murat Emre Öztürk</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmad%20Partovi%20Meran"> Ahmad Partovi Meran</a>, <a href="https://publications.waset.org/abstracts/search?q=Ekrem%20T%C3%BCfek%C3%A7i"> Ekrem Tüfekçi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Advanced lightweight laminated composite shells are increasingly being used in all types of modern structures, for enhancing their structural efficiency and performance. Such thin-walled structures are susceptible to buckling when subjected to various loading. This paper focuses on the buckling of cylindrical shells under axial compression and torsional loads. Effects of fiber orientation on the maximum buckling load of carbon fiber reinforced polymer (CFRP) shells are optimized. Optimum fiber angles have been calculated analytically by using MATLAB program. Numerical models have been carried out by using Finite Element Method program ABAQUS. Results from analytical and numerical analyses are also compared. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=buckling" title="buckling">buckling</a>, <a href="https://publications.waset.org/abstracts/search?q=composite" title=" composite"> composite</a>, <a href="https://publications.waset.org/abstracts/search?q=cylindrical%20shell" title=" cylindrical shell"> cylindrical shell</a>, <a href="https://publications.waset.org/abstracts/search?q=finite%20element" title=" finite element"> finite element</a>, <a href="https://publications.waset.org/abstracts/search?q=compression" title=" compression"> compression</a>, <a href="https://publications.waset.org/abstracts/search?q=torsion" title=" torsion"> torsion</a>, <a href="https://publications.waset.org/abstracts/search?q=MATLAB" title=" MATLAB"> MATLAB</a>, <a href="https://publications.waset.org/abstracts/search?q=optimization" title=" optimization"> optimization</a> </p> <a href="https://publications.waset.org/abstracts/13203/buckling-analysis-of-composite-shells-under-compression-and-torsional-loads-numerical-and-analytical-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/13203.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">587</span> </span> </div> </div> <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=Murat%20Erkoc&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Murat%20Erkoc&page=3">3</a></li> <li class="page-item"><a class="page-link" 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