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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/104654


    Title: LES Simulation of Hemispherical Dome’s Aerodynamic Characteristics in Smooth and Turbulence Boundary Layer Flows
    Authors: Chung-Lin Fu;Chii-Ming Cheng;Yuan-Lung Lo;De-Qian Cheng
    Keywords: LES;Hemispherical dome;Reynolds number;Separation point
    Date: 2015-09
    Issue Date: 2016-01-06 11:06:11 (UTC+8)
    Publisher: Elsevier BV
    Abstract: Large Eddy Simulation (LES) technique has been adopted in this research to investigate the aerodynamic characteristics of a hemispherical dome immersed in smooth flow and boundary layer flow at a Reynolds number around 2E+06. Accuracy of the numerical simulation result was validated in comparison with previous wind tunnel experiment performed by Cheng and Fu (2010). Results showed that the numerical simulation result agrees fairly well with the experimental one in mean pressure distributions both in smooth and turbulent flows. Regarding the RMS pressure coefficients, the agreement is fairly good for the smooth flow. However, it is rather poor for the turbulent boundary layer. Furthermore, the numerical simulation offers an insight into the characteristics of the flow near the separation point and provides comprehensive understanding for the location of the separation.
    Relation: Journal of Wind Engineering and Industrial Aerodynamics 144, pp.53–61
    DOI: 10.1016/j.jweia.2015.05.010
    Appears in Collections:[土木工程學系暨研究所] 期刊論文

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