National Taiwan Ocean University Institutional Repository:Item 987654321/42132
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题名: Numerical Modeling of Wave-induced Rotations of a Bottom-hinged Flapper with a SPH Model
作者: David Chen;S.-Y. Tzang;C.-M. Hsieh;Y.-C. Chow;Jiahn-Horng Chen;C.-C. Lin;Robert R Hwang
贡献者: 國立臺灣海洋大學:機械與機電工程學系
日期: 2014-06
上传时间: 2017-04-27T01:16:15Z
出版者: Journal of Marine Science and Technology
摘要: Abstract:In this study, a Smoothed Particle Hydrodynamics model for simulating wave-induced rotations of a bottom-hinged flapper was established in a 2-D numerical wave flume. The simulated rotating angles illustrated that the flapper could swing back and forth following harmonic wave loadings. The simulations were also seen to be in good agreement with experimental data, confirming the applicability of the present numerical model. The simulated hydrodynamic behaviors at different phases showed that the flapper moved downstream under the wave crest and upstream under the wave trough following the elliptical form of water particle trajectory. The energy conversions of a flapper during an average wave cycle showed that larger rotating angle ranges could result in higher energy conversions. However, smaller rotating angle ranges could result in higher captured efficiency.
關聯: 22(3), pp.372-380
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/42132
显示于类别:[機械與機電工程學系] 期刊論文

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