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A Numerical Study on Flow Characteristics Around Rectangular Cylinder with Different Width-to-height Ratios
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종횡비 변화에 따른 사각실린더 주위의 유동 특성에 관한 수치적 연구

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Type
Academic journal
Author
Yong Gap Park (부산대학교) Chang Min Son (Rolls-Royce plc)
Journal
The Society Of Air-Conditioning And Refrigerating Engineers Of Korea Korean Journal of Air-Conditioning and Refrigeration Engineering Vol.22 No.8 KCI Excellent Accredited Journal
Published
2010.8
Pages
523 - 529 (7page)

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A Numerical Study on Flow Characteristics Around Rectangular Cylinder with Different Width-to-height Ratios
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Abstract· Keywords

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We investigate two-dimensional laminar flow around rectangular cylinders placed in a uniform stream. Numerical simulations are performed, using finite volume method, in the ranges of 50≤Re≤150 and 0.1≤W/H≤1.0, where Re and W/H are the Reynolds number and the width-to-height ratio, respectively. The immersed boundary method is used to handle the rectangular cylinder in a rectangular grid system. Comparisons with the previous results show good agreement in Strouhal number, drag and lift coefficient. The present study reports the detailed information of flow structure at different width-to-height ratios in the ranges of 50≤Re≤150.

Contents

ABSTRACT
1. 서론
2. 수치해석 방법
3. 결과 및 고찰
4. 결론
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UCI(KEPA) : I410-ECN-0101-2010-553-002761218