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panel</title> <meta name="description" content="Search results for: flat field panel"> <meta name="keywords" content="flat field panel"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none 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action="https://publications.waset.org/abstracts/search"> <div id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="flat field panel"> <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> 9602</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: flat field panel</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9602</span> The Use of the Flat Field Panel for the On-Ground Calibration of Metis Coronagraph on Board of Solar Orbiter</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=C.%20Casini">C. Casini</a>, <a href="https://publications.waset.org/abstracts/search?q=V.%20Da%20Deppo"> V. Da Deppo</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20Zuppella"> P. Zuppella</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20Chioetto"> P. Chioetto</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Slemer"> A. Slemer</a>, <a href="https://publications.waset.org/abstracts/search?q=F.%20Frassetto"> F. Frassetto</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Romoli"> M. Romoli</a>, <a href="https://publications.waset.org/abstracts/search?q=F.%20Landini"> F. Landini</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Pancrazzi"> M. Pancrazzi</a>, <a href="https://publications.waset.org/abstracts/search?q=V.%20Andretta"> V. Andretta</a>, <a href="https://publications.waset.org/abstracts/search?q=E.%20Antonucci"> E. Antonucci</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Bemporad"> A. Bemporad</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Casti"> M. Casti</a>, <a href="https://publications.waset.org/abstracts/search?q=Y.%20De%20Leo"> Y. De Leo</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Fabi"> M. Fabi</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Fineschi"> S. Fineschi</a>, <a href="https://publications.waset.org/abstracts/search?q=F.%20Frassati"> F. Frassati</a>, <a href="https://publications.waset.org/abstracts/search?q=C.%20Grimani"> C. Grimani</a>, <a href="https://publications.waset.org/abstracts/search?q=G.%20Jerse"> G. Jerse</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20Heinzel"> P. Heinzel</a>, <a href="https://publications.waset.org/abstracts/search?q=K.%20Heerlein"> K. Heerlein</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Liberatore"> A. Liberatore</a>, <a href="https://publications.waset.org/abstracts/search?q=E.%20Magli"> E. Magli</a>, <a href="https://publications.waset.org/abstracts/search?q=G.%20Naletto"> G. Naletto</a>, <a href="https://publications.waset.org/abstracts/search?q=G.%20Nicolini"> G. Nicolini</a>, <a href="https://publications.waset.org/abstracts/search?q=M.G.%20Pelizzo"> M.G. Pelizzo</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20Romano"> P. Romano</a>, <a href="https://publications.waset.org/abstracts/search?q=C.%20Sasso"> C. Sasso</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20Spadaro"> D. Spadaro</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Stangalini"> M. Stangalini</a>, <a href="https://publications.waset.org/abstracts/search?q=T.%20Straus"> T. Straus</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20Susino"> R. Susino</a>, <a href="https://publications.waset.org/abstracts/search?q=L.%20Teriaca"> L. Teriaca</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Uslenghi"> M. Uslenghi</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Volpicelli"> A. Volpicelli</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Solar Orbiter, launched on February 9<sup>th</sup> 2020, is an ESA/NASA mission conceived to study the Sun. The payload is composed of 10 instruments, among which there is the Metis coronagraph. A coronagraph aims at taking images of the solar corona: the occulter element simulates a total solar eclipse. This work presents some of the results obtained in the visible light band (580-640 nm) using a flat field panel source. The flat field panel gives a uniform illumination; consequently, it has been used during the on-ground calibration for several purposes: evaluating the response of each pixel of the detector (linearity); and characterizing the Field of View of the coronagraph. As a conclusion, a major result is the verification that the requirement for the Field of View (FoV) of Metis is fulfilled. Some investigations are in progress in order to verify that the performance measured on-ground did not change after launch. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=solar%20orbiter" title="solar orbiter">solar orbiter</a>, <a href="https://publications.waset.org/abstracts/search?q=Metis" title=" Metis"> Metis</a>, <a href="https://publications.waset.org/abstracts/search?q=coronagraph" title=" coronagraph"> coronagraph</a>, <a href="https://publications.waset.org/abstracts/search?q=flat%20field%20panel" title=" flat field panel"> flat field panel</a>, <a href="https://publications.waset.org/abstracts/search?q=calibration" title=" calibration"> calibration</a>, <a href="https://publications.waset.org/abstracts/search?q=on-ground" title=" on-ground"> on-ground</a>, <a href="https://publications.waset.org/abstracts/search?q=performance" title=" performance"> performance</a> </p> <a href="https://publications.waset.org/abstracts/131441/the-use-of-the-flat-field-panel-for-the-on-ground-calibration-of-metis-coronagraph-on-board-of-solar-orbiter" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/131441.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">106</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">9601</span> Optimal Designof Brush Roll for Semiconductor Wafer Using CFD Analysis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Byeong-Sam%20Kim">Byeong-Sam Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Kyoungwoo%20Park"> Kyoungwoo Park</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This research analyzes structure of flat panel display (FPD) such as LCD as quantitative through CFD analysis and modeling change to minimize the badness rate and rate of production decrease by damage of large scale plater at wafer heating chamber at semi-conductor manufacturing process. This glass panel and wafer device with atmospheric pressure or chemical vapor deposition equipment for transporting and transferring wafers, robot hands carry these longer and wider wafers can also be easily handled. As a contact handling system composed of several problems in increased potential for fracture or warping. A non-contact handling system is required to solve this problem. The panel and wafer warping makes it difficult to carry out conventional contact to analysis. We propose a new non-contact transportation system with combining air suction and blowout. The numerical analysis and experimental is, therefore, should be performed to obtain compared to results achieved with non-contact solutions. This wafer panel noncontact handler shows its strength in maintaining high cleanliness levels for semiconductor production processes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=flat%20panel%20display" title="flat panel display">flat panel display</a>, <a href="https://publications.waset.org/abstracts/search?q=non%20contact%20transportation" title=" non contact transportation"> non contact transportation</a>, <a href="https://publications.waset.org/abstracts/search?q=heat%20treatment%20process" title=" heat treatment process"> heat treatment process</a>, <a href="https://publications.waset.org/abstracts/search?q=CFD%20analysis" title=" CFD analysis"> CFD analysis</a> </p> <a href="https://publications.waset.org/abstracts/23844/optimal-designof-brush-roll-for-semiconductor-wafer-using-cfd-analysis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/23844.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">416</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">9600</span> On Quasi Conformally Flat LP-Sasakian Manifolds with a Coefficient 伪</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jay%20Prakash%20Singh">Jay Prakash Singh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of the present paper is to study properties of Quasi conformally flat LP-Sasakian manifolds with a coefficient α. In this paper, we prove that a Quasi conformally flat LP-Sasakian manifold M (n > 3) with a constant coefficient α is an η−Einstein and in a quasi conformally flat LP-Sasakian manifold M (n > 3) with a constant coefficient α if the scalar curvature tensor is constant then M is of constant curvature. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=LP-Sasakian%20manifolds" title="LP-Sasakian manifolds">LP-Sasakian manifolds</a>, <a href="https://publications.waset.org/abstracts/search?q=quasi-conformal%20curvature%20tensor" title=" quasi-conformal curvature tensor"> quasi-conformal curvature tensor</a>, <a href="https://publications.waset.org/abstracts/search?q=concircular%20vector%20%0Cfield" title=" concircular vector field"> concircular vector field</a>, <a href="https://publications.waset.org/abstracts/search?q=torse%20forming%20vector%20%0Cfield" title=" torse forming vector field"> torse forming vector field</a>, <a href="https://publications.waset.org/abstracts/search?q=Einstein%20manifold" title=" Einstein manifold"> Einstein manifold</a> </p> <a href="https://publications.waset.org/abstracts/50415/on-quasi-conformally-flat-lp-sasakian-manifolds-with-a-coefficient-a" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/50415.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">792</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">9599</span> Some Properties of Cut Locus of a Flat Torus</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Pakkinee%20Chitsakul">Pakkinee Chitsakul</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this article, we would like to show that there is no cut point of any point in a plane, but there exists the cut locus of a point in a flat torus. By the results, we would like to determine the structure of cut locus of a flat torus. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cut%20locus" title="cut locus">cut locus</a>, <a href="https://publications.waset.org/abstracts/search?q=flat%20torus" title=" flat torus"> flat torus</a>, <a href="https://publications.waset.org/abstracts/search?q=geodesics" title=" geodesics "> geodesics </a> </p> <a href="https://publications.waset.org/abstracts/3028/some-properties-of-cut-locus-of-a-flat-torus" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/3028.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">329</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">9598</span> Potential of Palm Oil Mill Effluent in Algae Cultivation for Biodiesel Production</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nur%20Azreena%20Idris">Nur Azreena Idris</a>, <a href="https://publications.waset.org/abstracts/search?q=Soh%20Kheang%20Loh"> Soh Kheang Loh</a>, <a href="https://publications.waset.org/abstracts/search?q=Harrison%20Lau%20Lik%20Nang"> Harrison Lau Lik Nang</a>, <a href="https://publications.waset.org/abstracts/search?q=Yuen%20May%20Choo"> Yuen May Choo</a>, <a href="https://publications.waset.org/abstracts/search?q=Eminour%20Muzalina%20Mustafa"> Eminour Muzalina Mustafa</a>, <a href="https://publications.waset.org/abstracts/search?q=Vijaysri%20Vello"> Vijaysri Vello</a>, <a href="https://publications.waset.org/abstracts/search?q=Cheng%20Yau%20Tan"> Cheng Yau Tan</a>, <a href="https://publications.waset.org/abstracts/search?q=Siew%20Moi%20Phang"> Siew Moi Phang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> It is estimated that about 0.65-0.67 m3 of palm oil mill effluent (POME) is generated when one tonne of fresh fruit bunches is processed. Owning to the high content of nutrients in POME, it has high potential as a medium for microalgae growth. This study attempted determining the growth rate, biomass productivity and biochemical composition of microalgae (Chlorella sp.) grown in different POME concentrations i.e. 6.25%, 12.5%, 25% and 50% at outdoor conditions using a 200-mL capacity high rate algae pond (HRAP) and 2 closed photobioreactors (PBRs) i.e. annular and flat panel. The strain, Chlorella sp. grown on 12.5% of POME in flat panel PBR exhibited the highest specific growth rate of 0.32/day and biomass productivity (27.1 mg/L/day) followed by those in HRAP and annular PBR. It further showed that a good growth of Chlorella sp. in 12.5% of POME could sufficiently reduce the nutrients of POME such as phosphate (PO4), nitrate (NO3), nitrite (NO2) and chemical oxygen demand (COD). The extracted algal oil from POME culture showed that the saturated fatty acids decreased while polyunsaturated fatty acids increased compared to those cultured in standard culture medium (Bold鈥檚 Basal medium). The biochemical compositions of the algae grown in flat panel PBR were the highest with lipid, protein and carbohydrate productivity of 17.91 mg/L/day, 34.65 mg/L/day and 21.44 mg/L/day, respectively. The microalgae cultivation in diluted POME had not only shown potential as biodiesel feedstock based on the fatty acids profile but also the ability to reduce pollutants e.g. PO4, NO3, NO2 and COD in biological wastewater treatment. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=wastewater%20treatment" title="wastewater treatment">wastewater treatment</a>, <a href="https://publications.waset.org/abstracts/search?q=photobioreactors" title=" photobioreactors"> photobioreactors</a>, <a href="https://publications.waset.org/abstracts/search?q=biomass%20productivity" title=" biomass productivity"> biomass productivity</a>, <a href="https://publications.waset.org/abstracts/search?q=specific%20growth%20rate" title=" specific growth rate"> specific growth rate</a> </p> <a href="https://publications.waset.org/abstracts/53085/potential-of-palm-oil-mill-effluent-in-algae-cultivation-for-biodiesel-production" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/53085.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">9597</span> Current Developments in Flat-Plate Vacuum Solar Thermal Collectors</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Farid%20Arya">Farid Arya</a>, <a href="https://publications.waset.org/abstracts/search?q=Trevor%20Hyde"> Trevor Hyde</a>, <a href="https://publications.waset.org/abstracts/search?q=Paul%20Henshall"> Paul Henshall</a>, <a href="https://publications.waset.org/abstracts/search?q=Phillip%20Eames"> Phillip Eames</a>, <a href="https://publications.waset.org/abstracts/search?q=Roger%20Moss"> Roger Moss</a>, <a href="https://publications.waset.org/abstracts/search?q=Stan%20Shire"> Stan Shire</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Vacuum flat plate solar thermal collectors offer several advantages over other collectors namely the excellent optical and thermal characteristics they exhibit due to a combination of their wide surface area and high vacuum thermal insulation. These characteristics can offer a variety of applications for industrial process heat as well as for building integration as they are much thinner than conventional collectors making installation possible in limited spaces. However, many technical challenges which need to be addressed to enable wide scale adoption of the technology still remain. This paper will discuss the challenges, expectations and requirements for the flat-plate vacuum solar collector development. In addition, it will provide an overview of work undertaken in Ulster University, Loughborough University, and the University of Warwick on flat-plate vacuum solar thermal collectors. Finally, this paper will present a detailed experimental investigation on the development of a vacuum panel with a novel sealing method which will be used to accommodate a novel slim hydroformed solar absorber. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=hot%20box%20calorimeter" title="hot box calorimeter">hot box calorimeter</a>, <a href="https://publications.waset.org/abstracts/search?q=infrared%20thermography" title=" infrared thermography"> infrared thermography</a>, <a href="https://publications.waset.org/abstracts/search?q=solar%20thermal%20collector" title=" solar thermal collector"> solar thermal collector</a>, <a href="https://publications.waset.org/abstracts/search?q=vacuum%20insulation" title=" vacuum insulation"> vacuum insulation</a> </p> <a href="https://publications.waset.org/abstracts/49273/current-developments-in-flat-plate-vacuum-solar-thermal-collectors" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/49273.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">311</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">9596</span> Numerical Study of Flow around Flat Tube between Parallel Walls</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hamidreza%20Bayat">Hamidreza Bayat</a>, <a href="https://publications.waset.org/abstracts/search?q=Arash%20Mirabdolah%20Lavasani"> Arash Mirabdolah Lavasani</a>, <a href="https://publications.waset.org/abstracts/search?q=Meysam%20Bolhasani"> Meysam Bolhasani</a>, <a href="https://publications.waset.org/abstracts/search?q=Sajad%20Moosavi"> Sajad Moosavi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Flow around a flat tube is studied numerically. Reynolds number is defined base on equivalent circular tube and it is varied in range of 100 to 300. Equations are solved by using finite volume method and results are presented in form of drag and lift coefficient. Results show that drag coefficient of flat tube is up to 66% lower than circular tube with equivalent diameter. In addition, by increasing l/D from 1 to 2, the drag coefficient of flat tube is decreased about 14-27%. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=laminar%20flow" title="laminar flow">laminar flow</a>, <a href="https://publications.waset.org/abstracts/search?q=flat-tube" title=" flat-tube"> flat-tube</a>, <a href="https://publications.waset.org/abstracts/search?q=drag%20coefficient" title=" drag coefficient"> drag coefficient</a>, <a href="https://publications.waset.org/abstracts/search?q=cross-flow" title=" cross-flow"> cross-flow</a>, <a href="https://publications.waset.org/abstracts/search?q=heat%20exchanger" title=" heat exchanger"> heat exchanger</a> </p> <a href="https://publications.waset.org/abstracts/14593/numerical-study-of-flow-around-flat-tube-between-parallel-walls" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/14593.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">503</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9595</span> Pleated Surfaces: Experimentation and Examples</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Maritza%20Granados%20Manjarr%C3%A9s">Maritza Granados Manjarr茅s</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper makes part of an investigation project which experiments with flat surfaces in order to pleat them using tessellations and flat origami conditions. The aim of the investigation is to eventually propose not only a methodology on how to pleat those surfaces but also to find an structural system to make them work as building skins. This stage of the investigation emphasizes on the experimentation with flat surfaces and different kinds of folding patterns and shows the many examples that can be made from this experimentation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=flat%20origami" title="flat origami">flat origami</a>, <a href="https://publications.waset.org/abstracts/search?q=fold" title=" fold"> fold</a>, <a href="https://publications.waset.org/abstracts/search?q=space" title=" space"> space</a>, <a href="https://publications.waset.org/abstracts/search?q=surface" title=" surface"> surface</a> </p> <a href="https://publications.waset.org/abstracts/16962/pleated-surfaces-experimentation-and-examples" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/16962.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">291</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">9594</span> Comparison of Analytical Method and Software for Analysis of Flat Slab Subjected to Various Parametric Loadings</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hema%20V.%20Vanar">Hema V. Vanar</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20K.%20Soni"> R. K. Soni</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20D.%20Shah"> N. D. Shah </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Slabs supported directly on columns without beams are known as Flat slabs. Flat slabs are highly versatile elements widely used in construction, providing minimum depth, fast construction and allowing flexible column grids. The main objective of this thesis is comparison of analytical method and soft ware for analysis of flat slab subjected to various parametric loadings. Study presents analysis of flat slab is performed under different types of gravity. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fat%20slab" title="fat slab">fat slab</a>, <a href="https://publications.waset.org/abstracts/search?q=parametric%20load" title=" parametric load"> parametric load</a>, <a href="https://publications.waset.org/abstracts/search?q=analysis" title=" analysis"> analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=software" title=" software"> software</a> </p> <a href="https://publications.waset.org/abstracts/18655/comparison-of-analytical-method-and-software-for-analysis-of-flat-slab-subjected-to-various-parametric-loadings" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/18655.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">493</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">9593</span> Seawater Changes' Estimation at Tidal Flat in Korean Peninsula Using Drone Stereo Images</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hyoseong%20Lee">Hyoseong Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Duk-jin%20Kim"> Duk-jin Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Jaehong%20Oh"> Jaehong Oh</a>, <a href="https://publications.waset.org/abstracts/search?q=Jungil%20Shin"> Jungil Shin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Tidal flat in Korean peninsula is one of the largest biodiversity tidal flats in the world. Therefore, digital elevation models (DEM) is continuously demanded to monitor of the tidal flat. In this study, DEM of tidal flat, according to different times, was produced by means of the Drone and commercial software in order to measure seawater change during high tide at water-channel in tidal flat. To correct the produced DEMs of the tidal flat where is inaccessible to collect control points, the DEM matching method was applied by using the reference DEM instead of the survey. After the ortho-image was made from the corrected DEM, the land cover classified image was produced. The changes of seawater amount according to the times were analyzed by using the classified images and DEMs. As a result, it was confirmed that the amount of water rapidly increased as the time passed during high tide. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=tidal%20flat" title="tidal flat">tidal flat</a>, <a href="https://publications.waset.org/abstracts/search?q=drone" title=" drone"> drone</a>, <a href="https://publications.waset.org/abstracts/search?q=DEM" title=" DEM"> DEM</a>, <a href="https://publications.waset.org/abstracts/search?q=seawater%20change" title=" seawater change"> seawater change</a> </p> <a href="https://publications.waset.org/abstracts/83545/seawater-changes-estimation-at-tidal-flat-in-korean-peninsula-using-drone-stereo-images" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/83545.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">204</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">9592</span> Analysis of Soft and Hard X-Ray Intensities Using Different Shapes of Anodes in a 4kJ Mather Type Plasma Focus Facility</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mahsa%20Mahtab">Mahsa Mahtab</a>, <a href="https://publications.waset.org/abstracts/search?q=Morteza%20Habibi"> Morteza Habibi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The effect of different anode tip geometries on the intensity of soft and hard x-ray emitted from a 4 kJ plasma focus device is investigated. For this purpose, 5 different anode tips are used. The shapes of the uppermost region of these anodes have been cylindrical-flat, cylindrical-hollow, spherical-convex, cone-flat and cone-hollow. Analyzed data have shown that cone-flat, spherical-convex and cone-hollow anodes significantly increase X-ray intensity respectively in comparison with cylindrical-flat anode; while the cylindrical-hollow tip decreases. Anode radius reduction at its end in conic or spherical anodes enhance SXR by increasing plasma density through collecting a greater mass of gas and more gradual transition phase to form a more stable dense plasma pinch. Also, HXR is enhanced by increasing the energy of electrons colliding with the anode surface through raise of induced electrical field. Finally, the cone-flat anode is introduced to use in cases in which the plasma focus device is used as an X-ray source due to its highest yield of X-ray emissions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=plasma%20focus" title="plasma focus">plasma focus</a>, <a href="https://publications.waset.org/abstracts/search?q=anode%20tip" title=" anode tip"> anode tip</a>, <a href="https://publications.waset.org/abstracts/search?q=HXR" title=" HXR"> HXR</a>, <a href="https://publications.waset.org/abstracts/search?q=SXR" title=" SXR"> SXR</a>, <a href="https://publications.waset.org/abstracts/search?q=pinched%20plasma" title=" pinched plasma"> pinched plasma</a> </p> <a href="https://publications.waset.org/abstracts/30370/analysis-of-soft-and-hard-x-ray-intensities-using-different-shapes-of-anodes-in-a-4kj-mather-type-plasma-focus-facility" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/30370.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">400</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">9591</span> Experimental Study of the Sound Absorption of a Geopolymer Panel with a Textile Component Designed for a Railway Corridor</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ludmila%20Fridrichov%C3%A1">Ludmila Fridrichov谩</a>, <a href="https://publications.waset.org/abstracts/search?q=Roman%20Kn%C3%AD%C5%BEek"> Roman Kn铆啪ek</a>, <a href="https://publications.waset.org/abstracts/search?q=Pavel%20N%C4%9Bme%C4%8Dek"> Pavel N臎me膷ek</a>, <a href="https://publications.waset.org/abstracts/search?q=Katarzyna%20Ewa%20Buczkowska"> Katarzyna Ewa Buczkowska</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The design of the sound absorption panel, which consists of three layers, is presented in this study. The first layer of the panel is perforated and provides sound transmission to the inner part of the panel. The second layer is composed of a bulk material whose purpose is to absorb as much noise as possible. The third layer of the panel has two functions: the first function is to ensure the strength of the panel, and the second function is to reflect the sound back into the bulk layer. Experimental results have shown that the size of the holes in the perforated panel affects the sound absorption of the required frequency. The percentage of filling of the perforated area affects the quantity of sound absorbed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=sound%20absorption" title="sound absorption">sound absorption</a>, <a href="https://publications.waset.org/abstracts/search?q=railway%20corridor" title=" railway corridor"> railway corridor</a>, <a href="https://publications.waset.org/abstracts/search?q=health" title=" health"> health</a>, <a href="https://publications.waset.org/abstracts/search?q=textile%20waste" title=" textile waste"> textile waste</a>, <a href="https://publications.waset.org/abstracts/search?q=natural%20fibres" title=" natural fibres"> natural fibres</a>, <a href="https://publications.waset.org/abstracts/search?q=concrete" title=" concrete"> concrete</a> </p> <a href="https://publications.waset.org/abstracts/193093/experimental-study-of-the-sound-absorption-of-a-geopolymer-panel-with-a-textile-component-designed-for-a-railway-corridor" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/193093.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">14</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">9590</span> Numerical Investigation of Thermal-Hydraulic Performance of a Flat Tube in Cross-Flow of Air</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hamidreza%20Bayat">Hamidreza Bayat</a>, <a href="https://publications.waset.org/abstracts/search?q=Arash%20Mirabdolah%20Lavasani"> Arash Mirabdolah Lavasani</a>, <a href="https://publications.waset.org/abstracts/search?q=Meysam%20Bolhasani"> Meysam Bolhasani</a>, <a href="https://publications.waset.org/abstracts/search?q=Sajad%20Moosavi"> Sajad Moosavi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Heat transfer from flat tube is studied numerically. Reynolds number is defined base on equivalent circular tube which is varied in range of 100 to 300. In these range of Reynolds number flow is considered to be laminar, unsteady, and incompressible. Equations are solved by using finite volume method. Results show that increasing l/D from 1 to 2 has insignificant effect on heat transfer and Nusselt number of flat tube is slightly lower than circular tube. However, thermal-hydraulic performance of flat tube is up to 2.7 times greater than circular tube. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=laminar%20flow" title="laminar flow">laminar flow</a>, <a href="https://publications.waset.org/abstracts/search?q=flat%20tube" title=" flat tube"> flat tube</a>, <a href="https://publications.waset.org/abstracts/search?q=convective%20heat%20transfer" title=" convective heat transfer"> convective heat transfer</a>, <a href="https://publications.waset.org/abstracts/search?q=heat%20exchanger" title=" heat exchanger"> heat exchanger</a> </p> <a href="https://publications.waset.org/abstracts/14592/numerical-investigation-of-thermal-hydraulic-performance-of-a-flat-tube-in-cross-flow-of-air" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/14592.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">440</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9589</span> Optimal Analysis of Structures by Large Wing Panel Using FEM</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Byeong-Sam%20Kim">Byeong-Sam Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Kyeongwoo%20Park"> Kyeongwoo Park</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, induced structural optimization is performed to compare the trade-off between wing weight and induced drag for wing panel extensions, construction of wing panel and winglets. The aerostructural optimization problem consists of parameters with strength condition, and two maneuver conditions using residual stresses in panel production. The results of kinematic motion analysis presented a homogenization based theory for 3D beams and 3D shells for wing panel. This theory uses a kinematic description of the beam based on normalized displacement moments. The displacement of the wing is a significant design consideration as large deflections lead to large stresses and increased fatigue of components cause residual stresses. The stresses in the wing panel are small compared to the yield stress of aluminum alloy. This study describes the implementation of a large wing panel, aerostructural analysis and structural parameters optimization framework that couples a three-dimensional panel method. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=wing%20panel" title="wing panel">wing panel</a>, <a href="https://publications.waset.org/abstracts/search?q=aerostructural%20optimization" title=" aerostructural optimization"> aerostructural optimization</a>, <a href="https://publications.waset.org/abstracts/search?q=FEM" title=" FEM"> FEM</a>, <a href="https://publications.waset.org/abstracts/search?q=structural%20analysis" title=" structural analysis"> structural analysis</a> </p> <a href="https://publications.waset.org/abstracts/10361/optimal-analysis-of-structures-by-large-wing-panel-using-fem" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/10361.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">591</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">9588</span> Effect of Upper Face Sheet Material on Flexural Strength of Polyurethane Foam Hybrid Sandwich Material</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20Atef%20Gabr">M. Atef Gabr</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20H.%20Abdel%20Latif"> M. H. Abdel Latif</a>, <a href="https://publications.waset.org/abstracts/search?q=Ramadan%20El%20Gamsy"> Ramadan El Gamsy</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Sandwich panels comprise a thick, light-weight plastic foam such as polyurethane (PU) sandwiched between two relatively thin faces. One or both faces may be flat, lightly profiled or fully profiled. Until recently sandwich panel construction in Egypt has been widely used in cold-storage buildings, cold trucks, prefabricated buildings and insulation in construction. Recently new techniques are used in mass production of Sandwich Materials such as Reaction Injection Molding (RIM) and Vacuum bagging technique. However, in recent times their use has increased significantly due to their widespread structural applications in building systems. Structural sandwich panels generally used in Egypt comprise polyurethane foam core and thinner (0.42 mm) and high strength about 550 MPa (yield strength) flat steel faces bonded together using separate adhesives and By RIM technique. In this paper, we will use a new technique in sandwich panel preparation by using different face sheet materials in combination with polyurethane foam to form sandwich panel structures. Previously, PU Foam core with same thin 2 faces material was used, but in this work, we use different face materials and thicknesses for the upper face sheet such as Galvanized steel sheets (G.S),Aluminum sheets (Al),Fiberglass sheets (F.G) and Aluminum-Rubber composite sheets (Al/R) with polyurethane foam core 10 mm thickness and 45 Kg/m3 Density and Galvanized steel as lower face sheet. Using Aluminum-Rubber composite sheets as face sheet is considered a hybrid composite sandwich panel which is built by Hand-Layup technique by using PU glue as adhesive. This modification increases the benefits of the face sheet that will withstand different working environments with relatively small increase in its weight and will be useful in several applications. In this work, a 3-point bending test is used assistant professor to measure the most important factor in sandwich materials that is strength to weight ratio(STW) for different combinations of sandwich structures and make a comparison to study the effect of changing the face sheet material on the mechanical behavior of PU sandwich material. Also, the density of the different prepared sandwich materials will be measured to obtain the specific bending strength. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=hybrid%20sandwich%20panel" title="hybrid sandwich panel">hybrid sandwich panel</a>, <a href="https://publications.waset.org/abstracts/search?q=mechanical%20behavior" title=" mechanical behavior"> mechanical behavior</a>, <a href="https://publications.waset.org/abstracts/search?q=PU%20foam" title=" PU foam"> PU foam</a>, <a href="https://publications.waset.org/abstracts/search?q=sandwich%20panel" title=" sandwich panel"> sandwich panel</a>, <a href="https://publications.waset.org/abstracts/search?q=3-point%20bending" title=" 3-point bending"> 3-point bending</a>, <a href="https://publications.waset.org/abstracts/search?q=flexural%20strength" title=" flexural strength"> flexural strength</a> </p> <a href="https://publications.waset.org/abstracts/47190/effect-of-upper-face-sheet-material-on-flexural-strength-of-polyurethane-foam-hybrid-sandwich-material" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/47190.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">317</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">9587</span> STC Parameters versus Real Time Measured Parameters to Determine Cost Effectiveness of PV Panels</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=V.%20E.%20Selaule">V. E. Selaule</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20M.%20Schoeman%20H.%20C.%20Z.%20Pienaar"> R. M. Schoeman H. C. Z. Pienaar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Research has shown that solar energy is a renewable energy resource with the most potential when compared to other renewable energy resources in South Africa. There are many makes of Photovoltaic (PV) panels on the market and it is difficult to assess which to use. PV panel manufacturers use Standard Test Conditions (STC) to rate their PV panels. STC conditions are different from the actual operating environmental conditions were the PV panels are used. This paper describes a practical method to determine the most cost effective available PV panel. The method shows that PV panel manufacturer STC ratings cannot be used to select a cost effective PV panel. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=PV%20orientation" title="PV orientation">PV orientation</a>, <a href="https://publications.waset.org/abstracts/search?q=PV%20panel" title=" PV panel"> PV panel</a>, <a href="https://publications.waset.org/abstracts/search?q=PV%20STC" title=" PV STC"> PV STC</a>, <a href="https://publications.waset.org/abstracts/search?q=Solar%20energy" title=" Solar energy"> Solar energy</a> </p> <a href="https://publications.waset.org/abstracts/15551/stc-parameters-versus-real-time-measured-parameters-to-determine-cost-effectiveness-of-pv-panels" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/15551.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">472</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">9586</span> Simulations of a Jet Impinging on a Flat Plate</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Reda%20Mankbadi">Reda Mankbadi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper we explore the use of a second-order unstructured-grid, finite-volume code for direct noise prediction. We consider a Mach 1.5 jet impinging on a perpendicular flat plate. Hybrid LES-RANS simulations are used to calculate directly both the flow field and the radiated sound. The ANSYS Fluent commercial code is utilized for the calculations. The acoustic field is obtained directly from the simulations and is compared with the integral approach of Ffowcs Williams-Hawkings (FWH). Results indicate the existence of a preferred radiation angle. The spectrum obtained is in good agreement with observations. This points out to the possibility of handling the effects of complicated geometries on noise radiation by using unstructured second-orders codes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=CFD" title="CFD">CFD</a>, <a href="https://publications.waset.org/abstracts/search?q=Ffowcs%20Williams-Hawkings%20%28FWH%29" title=" Ffowcs Williams-Hawkings (FWH)"> Ffowcs Williams-Hawkings (FWH)</a>, <a href="https://publications.waset.org/abstracts/search?q=imping%20jet" title=" imping jet"> imping jet</a>, <a href="https://publications.waset.org/abstracts/search?q=ANSYS%20fluent%20commercial%20code" title=" ANSYS fluent commercial code"> ANSYS fluent commercial code</a>, <a href="https://publications.waset.org/abstracts/search?q=hybrid%20LES-RANS%20simulations" title=" hybrid LES-RANS simulations"> hybrid LES-RANS simulations</a> </p> <a href="https://publications.waset.org/abstracts/28525/simulations-of-a-jet-impinging-on-a-flat-plate" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/28525.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">452</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">9585</span> Flat-Top Apodization of Laser Beams by Means of Acousto-Optics </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sergey%20I.%20Chizhikov">Sergey I. Chizhikov</a>, <a href="https://publications.waset.org/abstracts/search?q=Vladimir%20Y.%20Molchanov"> Vladimir Y. Molchanov</a>, <a href="https://publications.waset.org/abstracts/search?q=Konstantin%20B.%20Yushkov"> Konstantin B. Yushkov</a> </p> <p class="card-text"><strong>Abstract:</strong></p> We demonstrate a method for adaptive spatial shaping of laser beams by means of acousto-optic Bragg diffraction. Transformation of the angular spectrum during Bragg diffraction is used to convert Gaussian intensity distribution into a flat-top one. Theoretical model is supported by the experiment. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=acousto-optics" title="acousto-optics">acousto-optics</a>, <a href="https://publications.waset.org/abstracts/search?q=flat%20top" title=" flat top"> flat top</a>, <a href="https://publications.waset.org/abstracts/search?q=beam%20shaping" title=" beam shaping"> beam shaping</a>, <a href="https://publications.waset.org/abstracts/search?q=Bragg%20diffraction" title=" Bragg diffraction"> Bragg diffraction</a> </p> <a href="https://publications.waset.org/abstracts/19123/flat-top-apodization-of-laser-beams-by-means-of-acousto-optics" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/19123.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">625</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">9584</span> Efficiency Enhancement in Solar Panel</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=R.%20S.%20Arun%20Raj">R. S. Arun Raj </a> </p> <p class="card-text"><strong>Abstract:</strong></p> In today's climate of growing energy needs and increasing environmental issues, alternatives to the use of non-renewable and polluting fossil fuels have to be investigated. One such alternative is the solar energy. The SUN provides every hour as much energy as mankind consumes in one year. This paper clearly explains about the solar panel design and new models and methodologies that can be implemented for better utilization of solar energy. Minimisation of losses in solar panel as heat is my innovative idea revolves around. The pay back calculations by implementation of solar panels is also quoted. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=on-grid%20and%20off-grid%20systems" title="on-grid and off-grid systems">on-grid and off-grid systems</a>, <a href="https://publications.waset.org/abstracts/search?q=pyro-electric%20effect" title=" pyro-electric effect"> pyro-electric effect</a>, <a href="https://publications.waset.org/abstracts/search?q=pay-back%20calculations" title=" pay-back calculations"> pay-back calculations</a>, <a href="https://publications.waset.org/abstracts/search?q=solar%20panel" title=" solar panel"> solar panel</a> </p> <a href="https://publications.waset.org/abstracts/20431/efficiency-enhancement-in-solar-panel" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/20431.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">594</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">9583</span> Effect of Corrosion on the Shear Buckling Strength</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Myoung-Jin%20Lee">Myoung-Jin Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Sung-Jin%20Lee"> Sung-Jin Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Young-Kon%20Park"> Young-Kon Park</a>, <a href="https://publications.waset.org/abstracts/search?q=Jin-Wook%20Kim"> Jin-Wook Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Bo-Kyoung%20Kim"> Bo-Kyoung Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Song-Hun%20Chong"> Song-Hun Chong</a>, <a href="https://publications.waset.org/abstracts/search?q=Sun-Ii%20Kim"> Sun-Ii Kim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The ability to resist the shear strength arises mainly from the web panel of steel girders and as such, the shear buckling strength of these girders has been extensively investigated. For example, Blaser鈥檚 reported that when buckling occurs, the tension field has an effect after the buckling strength of the steel is reached. The findings of these studies have been applied by AASHTO, AISC, and to the European Code that provides guidelines for designs aimed at preventing shear buckling. Steel girders are susceptible to corrosion resulting from exposure to natural elements such as rainfall, humidity, and temperature. This corrosion leads to a reduction in the size of the web panel section, thereby resulting in a decrease in the shear strength. The decrease in the panel section has a significant effect on the maintenance section of the bridge. However, in most conventional designs, the influence of corrosion is overlooked during the calculation of the shear buckling strength and hence over-design is common. Therefore, in this study, a steel girder with an A/D of 1:1, as well as a 6-mm-, 16-mm-, and 12-mm-thick web panel, flange, and intermediate reinforcing material, respectively, were used. The total length was set to that (3200 mm) of the default model. The effect of corrosion shear buckling was investigated by determining the volume amount of corrosion, shape of the erosion patterns, and the angular change in the tensile field of the shear buckling strength. This study provides the basic data that will enable designs that incorporate values closer (than those used in most conventional designs) to the actual shear buckling strength. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=corrosion" title="corrosion">corrosion</a>, <a href="https://publications.waset.org/abstracts/search?q=shear%20buckling%20strength" title=" shear buckling strength"> shear buckling strength</a>, <a href="https://publications.waset.org/abstracts/search?q=steel%20girder" title=" steel girder"> steel girder</a>, <a href="https://publications.waset.org/abstracts/search?q=shear%20strength" title=" shear strength"> shear strength</a> </p> <a href="https://publications.waset.org/abstracts/46131/effect-of-corrosion-on-the-shear-buckling-strength" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/46131.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">375</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">9582</span> Seismic Assessment of Flat Slab and Conventional Slab System for Irregular Building Equipped with Shear Wall</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Muhammad%20Aji%20Fajari">Muhammad Aji Fajari</a>, <a href="https://publications.waset.org/abstracts/search?q=Ririt%20Aprilin%20Sumarsono"> Ririt Aprilin Sumarsono</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Particular instability of structural building under lateral load (e.g earthquake) will rise due to irregularity in vertical and horizontal direction as stated in SNI 03-1762-2012. The conventional slab has been considered for its less contribution in increasing the stability of the structure, except special slab system such as flat slab turned into account. In this paper, the analysis of flat slab system at Sequis Tower located in South Jakarta will be assessed its performance under earthquake. It consists of 6 floors of the basement where the flat slab system is applied. The flat slab system will be the main focus in this paper to be compared for its performance with conventional slab system under earthquake. Regarding the floor plan of Sequis Tower basement, re-entrant corner signed for this building is 43.21% which exceeded the allowable re-entrant corner is 15% as stated in ASCE 7-05 Based on that, the horizontal irregularity will be another concern for analysis, otherwise vertical irregularity does not exist for this building. Flat slab system is a system where the slabs use drop panel with shear head as their support instead of using beams. Major advantages of flat slab application are decreasing dead load of structure, removing beams so that the clear height can be maximized, and providing lateral resistance due to lateral load. Whilst, deflection at middle strip and punching shear are problems to be detail considered. Torsion usually appears when the structural member under flexure such as beam or column dimension is improper in ratio. Considering flat slab as alternative slab system will keep the collapse due to torsion down. Common seismic load resisting system applied in the building is a shear wall. Installation of shear wall will keep the structural system stronger and stiffer affecting in reduced displacement under earthquake. Eccentricity of shear wall location of this building resolved the instability due to horizontal irregularity so that the earthquake load can be absorbed. Performing linear dynamic analysis such as response spectrum and time history analysis due to earthquake load is suitable as the irregularity arise so that the performance of structure can be significantly observed. Utilization of response spectrum data for South Jakarta which PGA 0.389g is basic for the earthquake load idealization to be involved in several load combinations stated on SNI 03-1726-2012. The analysis will result in some basic seismic parameters such as period, displacement, and base shear of the system; besides the internal forces of the critical member will be presented. Predicted period of a structure under earthquake load is 0.45 second, but as different slab system applied in the analysis then the period will show a different value. Flat slab system will probably result in better performance for the displacement parameter compare to conventional slab system due to higher contribution of stiffness to the whole system of the building. In line with displacement, the deflection of the slab will result smaller for flat slab than a conventional slab. Henceforth, shear wall will be effective to strengthen the conventional slab system than flat slab system. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=conventional%20slab" title="conventional slab">conventional slab</a>, <a href="https://publications.waset.org/abstracts/search?q=flat%20slab" title=" flat slab"> flat slab</a>, <a href="https://publications.waset.org/abstracts/search?q=horizontal%20irregularity" title=" horizontal irregularity"> horizontal irregularity</a>, <a href="https://publications.waset.org/abstracts/search?q=response%20spectrum" title=" response spectrum"> response spectrum</a>, <a href="https://publications.waset.org/abstracts/search?q=shear%20wall" title=" shear wall"> shear wall</a> </p> <a href="https://publications.waset.org/abstracts/74915/seismic-assessment-of-flat-slab-and-conventional-slab-system-for-irregular-building-equipped-with-shear-wall" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/74915.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">191</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9581</span> Gluability of Bambusa balcooa and Bambusa vulgaris for Development of Laminated Panels</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Daisy%20Biswas">Daisy Biswas</a>, <a href="https://publications.waset.org/abstracts/search?q=Samar%20Kanti%20Bose"> Samar Kanti Bose</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Mozaffar%20Hossain"> M. Mozaffar Hossain</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The development of value added composite products from bamboo with the application of gluing technology can play a vital role in economic development and also in forest resource conservation of any country. In this study, the gluability of <em>Bambusa balcooa</em> and <em>Bambusa vulgaris</em>, two locally grown bamboo species of Bangladesh was assessed. As the culm wall thickness of bamboos decreases from bottom to top, a culm portion of up to 5.4 m and 3.6 m were used from the base of <em>B. balcooa</em> and <em>B.</em> <em>vulgaris</em>, respectively, to get rectangular strips of uniform thickness. The color of the <em>B. vulgaris </em>strips was yellowish brown and that of <em>B. balcooa</em> was reddish brown. The strips were treated in borax-boric, bleaching and carbonization for extending the service life of the laminates. The preservative treatments changed the color of the strips. Borax–boric acid treated strips were reddish brown. When bleached with hydrogen peroxide, the color of the strips turned into whitish yellow. Carbonization produced dark brownish strips having coffee flavor. Chemical constituents for untreated and treated strips were determined. <em>B.</em> <em>vulgaris</em> was more acidic than <em>B. balcooa</em>. Then the treated strips were used to develop three-layered bamboo laminated panel. Urea formaldehyde (UF) and polyvinyl acetate (PVA) were used as binder. The shear strength and abrasive resistance of the panel were evaluated. It was found that the shear strength of the UF-panel was higher than the PVA-panel for all treatments. Between the species, gluability of <em>B. vulgaris </em>was better and in some cases better than hardwood species<em>. </em>The abrasive resistance of <em>B. balcooa</em> is slightly higher than <em>B. vulgaris; </em>however, the latter was preferred as it showed well gluability. The panels could be used as structural panel, floor tiles, flat pack furniture component, and wall panel etc. However, further research on durability and creep behavior of the product in service condition is warranted. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Bambusa%20balcooa" title="Bambusa balcooa">Bambusa balcooa</a>, <a href="https://publications.waset.org/abstracts/search?q=Bambusa%20vulgaris" title=" Bambusa vulgaris"> Bambusa vulgaris</a>, <a href="https://publications.waset.org/abstracts/search?q=polyvinyl%20acetate" title=" polyvinyl acetate"> polyvinyl acetate</a>, <a href="https://publications.waset.org/abstracts/search?q=urea%20formaldehyde" title=" urea formaldehyde"> urea formaldehyde</a> </p> <a href="https://publications.waset.org/abstracts/58326/gluability-of-bambusa-balcooa-and-bambusa-vulgaris-for-development-of-laminated-panels" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/58326.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">9580</span> Some Trends in Analysis of Two-Way Solid Slabs</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Reem%20I.%20Al-Ya%27%20Goub">Reem I. Al-Ya' Goub</a>, <a href="https://publications.waset.org/abstracts/search?q=Nasim%20Shatarat"> Nasim Shatarat</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents the results of analytical and comparative study among software programs' outputs in analysis of some two way solid slabs; flat plate, flat slab with beams and flat slab with drop panels problems that already been analyzed using Classical Equivalent Frame Method (CEFM) by several reinforced concrete book authors. The primary objective of this research is to determine the moment results using various software programs. Then, a summary of the results and differences percentages were obtained to show how analysis procedure effects the outputs of calculations that vary from software program to another when comparing them with the results of CEFM. Moment values were obtained using either the Equivalent Frame Method (EFM) or Finite Element Method (FEM) that's used among many software programs. The results of the analyses demonstrate that software programs vary markedly in terms of the information they provide to the structural designer regarding values of the model insertion, stiffness, effective moment of inertia used and specially the moment values. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=two-way%20solid%20slabs" title="two-way solid slabs">two-way solid slabs</a>, <a href="https://publications.waset.org/abstracts/search?q=flat%20plate" title=" flat plate"> flat plate</a>, <a href="https://publications.waset.org/abstracts/search?q=flat%20slab%20with%20beams" title=" flat slab with beams"> flat slab with beams</a>, <a href="https://publications.waset.org/abstracts/search?q=flat%20slab%20with%20drop%20panels" title=" flat slab with drop panels"> flat slab with drop panels</a>, <a href="https://publications.waset.org/abstracts/search?q=analysis" title=" analysis"> analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=modeling" title=" modeling"> modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=EFM" title=" EFM"> EFM</a>, <a href="https://publications.waset.org/abstracts/search?q=CEFM" title=" CEFM"> CEFM</a>, <a href="https://publications.waset.org/abstracts/search?q=FEM" title=" FEM"> FEM</a> </p> <a href="https://publications.waset.org/abstracts/9999/some-trends-in-analysis-of-two-way-solid-slabs" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/9999.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">411</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">9579</span> Quantitative Characterization of Single Orifice Hydraulic Flat Spray Nozzle</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Y.%20C.%20Khoo">Y. C. Khoo</a>, <a href="https://publications.waset.org/abstracts/search?q=W.%20T.%20Lai"> W. T. Lai</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The single orifice hydraulic flat spray nozzle was evaluated with two global imaging techniques to characterize various aspects of the resulting spray. The two techniques were high resolution flow visualization and Particle Image Velocimetry (PIV). A CCD camera with 29 million pixels was used to capture shadowgraph images to realize ligament formation and collapse as well as droplet interaction. Quantitative analysis was performed to give the sizing information of the droplets and ligaments. This camera was then applied with a PIV system to evaluate the overall velocity field of the spray, from nozzle exit to droplet discharge. PIV images were further post-processed to determine the inclusion angle of the spray. The results from those investigations provided significant quantitative understanding of the spray structure. Based on the quantitative results, detailed understanding of the spray behavior was achieved. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=spray" title="spray">spray</a>, <a href="https://publications.waset.org/abstracts/search?q=flow%20visualization" title=" flow visualization"> flow visualization</a>, <a href="https://publications.waset.org/abstracts/search?q=PIV" title=" PIV"> PIV</a>, <a href="https://publications.waset.org/abstracts/search?q=shadowgraph" title=" shadowgraph"> shadowgraph</a>, <a href="https://publications.waset.org/abstracts/search?q=quantitative%20sizing" title=" quantitative sizing"> quantitative sizing</a>, <a href="https://publications.waset.org/abstracts/search?q=velocity%20field" title=" velocity field"> velocity field</a> </p> <a href="https://publications.waset.org/abstracts/11794/quantitative-characterization-of-single-orifice-hydraulic-flat-spray-nozzle" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/11794.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">381</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">9578</span> The Influence of Social Interaction of Flat Occupants to Infrastucture Management of Kutobedah Flat in Malang City</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nony%20Rahadiva">Nony Rahadiva</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The development of housing in urban areas can not be separated from the high rate of population growth from both natural population growth and population growth due to migration. The development is bounded by urban land area so that construction of flats become a development priority. Quality of residential flats are influenced by the patterns of behavior of its inhabitants. The frequency of contact between the occupants become one of the effects of good social relations, but harmful activity can degrade the environment, especially in flats. One of the social relationships that can be seen on the flats development is the residents in Kutobedah flat built in Malang city. Problems that occur in that place is unfavorable flat management due to social activities such as daily activities and also the neighboring activities of apartment dwellers who tend not to pay attention to the environment. Based on these problems we can do a study on social interaction in Kutobedah flat and its influence on the management of flat facilities and infrastructures. This research was carried out by submitting a questionnaire to the residents of the apartment based social activities , operations and maintenance of the flats. By using a weighted analysis, we can find that social interaction tenants is high, but the level of infrastructure and facilities management of the tenants is low so it is needed to counsel the residents how to use and maintain the infrastructure properly. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=activities" title="activities">activities</a>, <a href="https://publications.waset.org/abstracts/search?q=flat" title=" flat"> flat</a>, <a href="https://publications.waset.org/abstracts/search?q=infrastructure%20management" title=" infrastructure management"> infrastructure management</a>, <a href="https://publications.waset.org/abstracts/search?q=social%20interaction" title=" social interaction"> social interaction</a> </p> <a href="https://publications.waset.org/abstracts/20961/the-influence-of-social-interaction-of-flat-occupants-to-infrastucture-management-of-kutobedah-flat-in-malang-city" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/20961.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">432</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">9577</span> Evaluation of Postural Stability in Patients with Flat Feet: A Controlled Trial</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ghada%20Mohamed%20Rashad">Ghada Mohamed Rashad</a>, <a href="https://publications.waset.org/abstracts/search?q=Doaa%20Ayoub%20Elimy"> Doaa Ayoub Elimy</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20Hussein%20Elgendy"> Mohamed Hussein Elgendy</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Mohamed%20Fathi%20Elshiwi"> Ahmed Mohamed Fathi Elshiwi</a>, <a href="https://publications.waset.org/abstracts/search?q=Mahmoud%20Ghazy"> Mahmoud Ghazy</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: Flat feet cause changes in foot mobility, foot posture, and load distribution under the foot which influences dynamic balance, that is essential in activities of daily living and for optimal performance in sports activity. Purpose: To investigate the effect of flat feet on dynamic balance including overall stability index (OAI), anteroposterior stability index (APSI) and mediolateral stability index (MLSI). Study Design: The design of the study was an experimental design. Subjects: Forty subjects from both sexes were selected from the Faculty of Physical Therapy, Cairo University, their mean age (23.55 卤 1.74 ) years, divided into two groups, group A (8 males and 12 females) with flat feet, and group B (9 males and 11 females) with normal feet. Methods: The Navicular Drop Test was used to determine if the feet were pronated and Biodex Balance System was used to assess dynamic balance at level 8 and level 4 for both groups. Results: There was no significant difference in dynamic balance including (OSI, APSI and MLSI) of the Biodex at stability level (8) (most stable) (p = 0.56). While there was a significant difference between both groups in all dependent variables at stability level (4) (less stable level) (p = 0.0001). Conclusion: It may be concluded that flat feet have an effect on dynamic balance and there is balance affection in subjects with flat feet. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=flat%20feet" title="flat feet">flat feet</a>, <a href="https://publications.waset.org/abstracts/search?q=dynamic%20balance" title=" dynamic balance"> dynamic balance</a>, <a href="https://publications.waset.org/abstracts/search?q=postural%20stability" title=" postural stability"> postural stability</a>, <a href="https://publications.waset.org/abstracts/search?q=types%20of%20flat%20feet" title=" types of flat feet"> types of flat feet</a>, <a href="https://publications.waset.org/abstracts/search?q=eversion%20strength" title=" eversion strength"> eversion strength</a> </p> <a href="https://publications.waset.org/abstracts/36237/evaluation-of-postural-stability-in-patients-with-flat-feet-a-controlled-trial" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/36237.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">530</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">9576</span> Analysis of Sound Absorption Coefficient</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zakiul%20Fuady">Zakiul Fuady</a>, <a href="https://publications.waset.org/abstracts/search?q=Ismail%20AB"> Ismail AB</a>, <a href="https://publications.waset.org/abstracts/search?q=Fauzi"> Fauzi</a>, <a href="https://publications.waset.org/abstracts/search?q=Zulfian"> Zulfian</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This research was conducted to analyze the absorption coefficients of sound at several types of materials as well as its combinations. The aim of this research was to find the value of sound absorption coefficients on the materials and its combinations. The materials used in this research were gypsum panel, gypsum-fibre palm, fibre palm-gypsum, and foamed concrete-fibre palm. The test was conducted by using a method of reverberation chamber based on the ISO 354-1985 with the types of the sound source: white noise and pink noise at the frequency of 125 Hz - 8000 Hz. Based on the test results of white noise, it was found that the panel of gypsum-fibre palm has 伪 = 0.93 at low frequency; the panel of fibre palm has 伪 = 0.97 at a medium frequency; and the panel of foamed concrete-fibre palm has 伪 = 0.89 at high frequency. Further, for the sound source of pink noise, it was found that the panel of gypsum-fibre palm has 伪 = 0.99 at low level; the panel of fibre palm-gypsum has 伪 = 0.86 at medium level; and the panel of fibre palm-gypsum has 伪 = 0.64 at high level. The fibre palm panel could absorb the sounds well since this material has bigger airspace (pore) than the foamed concrete and gypsum. Consequently, when the sounds wave enters to this material it will be trapped in the space. The panel of fibre palm affected an increasing of sound absorption coefficient value at the combination materials when the panel of fibre palm was placed under another panel. However, the absorption coefficient values of both fibre palm and fibre palm-gypsum panels are about the same. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=coefficient%20of%20sound%20absorption" title="coefficient of sound absorption">coefficient of sound absorption</a>, <a href="https://publications.waset.org/abstracts/search?q=pink%20noise" title=" pink noise"> pink noise</a>, <a href="https://publications.waset.org/abstracts/search?q=white%20noise" title=" white noise"> white noise</a>, <a href="https://publications.waset.org/abstracts/search?q=palm" title=" palm"> palm</a> </p> <a href="https://publications.waset.org/abstracts/86576/analysis-of-sound-absorption-coefficient" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/86576.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">254</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9575</span> Dynamic Response of Doubly Curved Composite Shell with Embedded Shape Memory Alloys Wires</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Amin%20Ardali">Amin Ardali</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammadreza%20Khalili"> Mohammadreza Khalili</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammadreza%20Rezai"> Mohammadreza Rezai</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, dynamic response of thin smart composite panel subjected to low-velocity transverse impact is investigated. Shape memory wires are used to reinforced curved composite panel in a smart way. One-dimensional thermodynamic constitutive model by Liang and Rogers is used for estimating the structural recovery stress. The two degrees-of-freedom mass-spring model is used for evaluation of the contact force between the curved composite panel and the impactor. This work is benefited from the Hertzian linear contact model which is linearized for the impact analysis of curved composite panel. The governing equations of curved panel are provided by first-order shear theory and solved by Fourier series related to simply supported boundary condition. For this purpose, the equation of doubly curved panel motion included the uniform in-plane forces is obtained. By the present analysis, the curved panel behavior under low-velocity impact, and also the effect of the impact parameters, the shape memory wire and the curved panel dimensions are studied. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=doubly%20curved%20shell" title="doubly curved shell">doubly curved shell</a>, <a href="https://publications.waset.org/abstracts/search?q=SMA%20wire" title=" SMA wire"> SMA wire</a>, <a href="https://publications.waset.org/abstracts/search?q=impact%20response" title=" impact response"> impact response</a>, <a href="https://publications.waset.org/abstracts/search?q=smart%20material" title=" smart material"> smart material</a>, <a href="https://publications.waset.org/abstracts/search?q=shape%20memory%20alloy" title=" shape memory alloy"> shape memory alloy</a> </p> <a href="https://publications.waset.org/abstracts/49593/dynamic-response-of-doubly-curved-composite-shell-with-embedded-shape-memory-alloys-wires" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/49593.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">405</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9574</span> Investigating and Comparing the Performance of Baseboard and Panel Radiators by Calculating the Thermal Comfort Coefficient</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Erfan%20Doraki">Mohammad Erfan Doraki</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Salehi"> Mohammad Salehi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, to evaluate the performance of Baseboard and Panel radiators with thermal comfort coefficient, A room with specific dimensions was modeled with Ansys fluent and DesignBuilder, then calculated the speed and temperature parameters in different parts of the room in two modes of using Panel and Baseboard radiators and it turned out that use of Baseboard radiators has a more uniform temperature and speed distribution, but in a Panel radiator, the room is warmer. Then, by calculating the thermal comfort indices, It was shown that using a Panel radiator is a more favorable environment and using a Baseboard radiator is a more uniform environment in terms of thermal comfort. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Radiator" title="Radiator">Radiator</a>, <a href="https://publications.waset.org/abstracts/search?q=Baseboard" title=" Baseboard"> Baseboard</a>, <a href="https://publications.waset.org/abstracts/search?q=optimal" title=" optimal"> optimal</a>, <a href="https://publications.waset.org/abstracts/search?q=comfort%20coefficient" title=" comfort coefficient"> comfort coefficient</a>, <a href="https://publications.waset.org/abstracts/search?q=heat" title=" heat "> heat </a> </p> <a href="https://publications.waset.org/abstracts/134114/investigating-and-comparing-the-performance-of-baseboard-and-panel-radiators-by-calculating-the-thermal-comfort-coefficient" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/134114.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">167</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">9573</span> Numerical Simulation of Punching Shear of Flat Plates with Low Reinforcement</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fatema-Tuz-Zahura">Fatema-Tuz-Zahura</a>, <a href="https://publications.waset.org/abstracts/search?q=Raquib%20Ahsan"> Raquib Ahsan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Punching shear failure is usually the governing failure mode of flat plate structures. Punching failure is brittle in nature which induces more vulnerability to this type of structure. In the present study, a 3D finite element model of a flat plate with low reinforcement ratio and without any transverse reinforcement has been developed. Punching shear stress and the deflection data were obtained on the surface of the flat plate as well as through the thickness of the model from numerical simulations. The obtained data were compared with the experimental results. Variation of punching stress with respect to deflection as obtained from numerical results is found to be in good agreement with the experimental results; the range of variation of punching stress is within 5%. The numerical simulation shows an early and gradual onset of nonlinearity, whereas the same is late and abrupt as observed in the experimental results. The range of variation of punching stress for different slab thicknesses between experimental and numerical results is less than 15%. The developed numerical model is useful to complement available punching test series performed in the past. The results obtained from the numerical model will be helpful for designing retrofitting schemes of flat plates. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=flat%20plate" title="flat plate">flat plate</a>, <a href="https://publications.waset.org/abstracts/search?q=finite%20element%20model" title=" finite element model"> finite element model</a>, <a href="https://publications.waset.org/abstracts/search?q=punching%20shear" title=" punching shear"> punching shear</a>, <a href="https://publications.waset.org/abstracts/search?q=reinforcement%20ratio" title=" reinforcement ratio"> reinforcement ratio</a> </p> <a href="https://publications.waset.org/abstracts/45233/numerical-simulation-of-punching-shear-of-flat-plates-with-low-reinforcement" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/45233.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">257</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=flat%20field%20panel&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=flat%20field%20panel&page=3">3</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=flat%20field%20panel&page=4">4</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=flat%20field%20panel&page=5">5</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=flat%20field%20panel&page=6">6</a></li> <li class="page-item"><a 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