THEREE-DEMENSIONAL COMPUTATION OF FLOW AROUND TWO CIRCULAR CYLINDERS IN STAGGERED ARRANGEMENT

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  • KONDO Norio
    Dept. of Oceanic Architecture and Engineering, College of Science and Technology, Nihon University
  • MATSUKUMA Daisuke
    Graduate School of Science and Technology, Nihon University

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  • くい違い2円柱まわりの3次元流れ解析
  • クイ チガイ 2 エンチュウマワリ ノ 3ジゲン ナガレ カイセキ

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We present three-dimensional results of flow around two circular cylinders in staggered arrangement, which are located in a uniform flow. The two circular cylinders in numerical computations are arranged in the various distances to both in-line and transverse directions between the centers of two cylinders. It is well known from experimental data that the fluid forces acting on the circular cylinders vary depending on the spacing between the cylinders. The computed results at the Reynolds number of 1000 are discussed and are consistent with the experimental results in terms of the aerodynamic characteristics of circular cylinders.

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