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RESEARCH PAPERS

Interference Between Two Circular Cylinders of Finite Height Vertically Immersed in a Turbulent Boundary Layer

[+] Author and Article Information
S. Taniguchi

Department of Applied Mechanical Engineering, Kitami Institute of Technology, Kitami 090, Japan

H. Sakamoto

Department of Mechanical Engineering, Kitami Institute of Technology, Kitami 090, Japan

M. Arie

Hokkaido University, Sapporo 060, Japan

J. Fluids Eng 104(4), 529-536 (Dec 01, 1982) (8 pages) doi:10.1115/1.3241901 History: Received February 25, 1981; Online October 26, 2009

Abstract

Measurements were made of the circumferential pressure distributions around two cylinders of finite height h and diameter d, spaced a distance s apart and vertically immersed in a turbulent boundary layer. The angle of attack φ and the dimensionless spacing s/d were varied. Drag and lift characteristics of both cylinders were classified into three regions divided by two zero-lift lines, namely 0 ≲ φ ≲ 30 deg, 30 ≲ φ ≲ 120 deg, and 120 ≲ φ ≲ 180 deg, in which interference between the two cylinders was found to be almost negligible for s/d ≳ 4.0, except for an influence in the wake region of the upstream cylinder.

Copyright © 1982 by ASME
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