Numerical analysis of aerodynamic interference between two circular cylinders using the overset grid method

被引：0
|
作者：
Ishimatsu, Takuto [1 ,2 ]
Morishita, Etsuo [1 ]
Okunuk, Takeo [1 ]
Koyama, Hisao [1 ]
机构：
[1] Department of Aeronautics And Astronautics, Graduate School of Engineering, University of Tokyo, Tokyo, Japan
[2] Massachusetts Institute of Technology, United States
来源：
Transactions of the Japan Society for Aeronautical and Space Sciences | 2008年 / 51卷 / 173期
关键词：
Flows over two circular cylinders in tandem; side-by-side; and staggered arrangements were analyzed using the overset grid method; which is capable of handling a variety of sizes and arrangements. The Reynolds number was 100 based on the cylinder diameter. The present computation code was validated by comparison with benchmark solutions for flow around a single cylinder. Wind-tunnel experiments were conducted for the side-by-side cylinder flow for comparison with numerical simulations. Calculation showed two critical spacings in the tandem arrangement where the aerodynamic forces and Strouhal number change discontinuously. Three critical spacings and four distinct flow patterns were found numerically in the side-by-side arrangement. Similar critical spacings were found in the staggered arrangement calculation and formed critical lines. Furthermore; a pocket region was found for a staggered arrangement surrounded by the critical line. © 2008 The Japan Society for Aeronautical and Space Sciences;
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Journal article (JA)
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页码：139 / 145
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