F116 NUMERICAL SIMULATION OF UNSTEADY HEAT TRANSFER AROUND TWO CIRCULAR CYLINDERS ARRANGED IN TANDEM TO A UNIFORM FLOW BYA VORTEX AND HEAT ELEMENTS METHOD(Numerical methods-2)
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概要
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A vortex elements method based on Biot-Savalt law and a viscous diffusion model was extended to analysis for unsteady heat transfer. Discrete heat elements were introduced into the flow field close to a wall surface in addition to nascent vortex elements. In this study, unsteady flow and heat transfer were calculated around two circular cylinders closely arranged in tandem to a uniform flow at the Reynolds number of 1000 and Prandtl number of 0.71. As results of the present calculation, it was found that time-averaged drag coefficient, Strouhal number and Nusselt number distributions agree qualitatively with experiment. Fluctuations of flow and heat transfer characteristic around two cylinders were discussed on the basis of the present results.
- 一般社団法人日本機械学会の論文
- 2000-10-01
著者
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Kamemoto Kyoji
Department Of Mechanical Engineering And Materials Science Yokohama National University
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Nakamura Hajime
Department Of Mechanical Engineering The National Defense Academy
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Nakamura Hajime
Department Of Biological Responses Institute For Virus Research Kyoto University
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IGARASHI Tamotsu
Department of Mechanical Engineering, The National Defense Academy
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Igarashi Tamotsu
Department Of Mechanical Engineering The National Defense Academy
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Igarashi Tamotsu
Department Of Mechanical Engineering National Defense Academy
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Igarashi Tamotsu
Department Of Mechanical Engineering
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