Fluid Flow Structures in Staggered Banks of Cylinders Located in a Channel

[+] Author and Article Information
M. J. Braun

Department of Mechanical Engineering, The University of Akron, Akron, OH 44325

V. V. Kudriavtsev

Department of Mechanical Engineering, The University of Akron/Moscow Aviation Institute, School of Engine Technology, Russia

J. Fluids Eng 117(1), 36-44 (Mar 01, 1995) (9 pages) doi:10.1115/1.2816815 History: Received August 22, 1993; Revised August 09, 1994; Online December 04, 2007


This paper contains numerical experiments that model fluid flow through a staggered array of cylinders and represents a continuation of work previously performed by the authors (Braun et al., 1993; Kudriavstsev et al., 1993). The results shown here concentrate on the analysis of the physics of flow and pressure distribution in (i) one row of cylinders, and (ii) seven rows of cylinders. The test section is the same square channel described by Braun et al. (1993). The numerical experiments were run in transient mode at Reynolds numbers (Re = umax d/v) ranging from 86 to 869. The primary purpose of this paper is to report qualitative results regarding the attached near-wall jet phenomenon and to discuss its flow mechanics. The authors compare various stages of the transient evolution of the flow structures for geometric configurations that contain one, and seven rows of pins respectively. The associated pressure distributions in the arrays of pins are also discussed.

Copyright © 1995 by The American Society of Mechanical Engineers
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