Three-Dimensional Investigation of a Laminar Impinging Square Jet Interaction With Cross-Flow-Reference-Cited by-同舟云学术

Three-Dimensional Investigation of a Laminar Impinging Square Jet Interaction With Cross-Flow

Published:2003-03-21 Issue:2 Volume:125 Page:243-249
ISSN:0022-1481
Container-title:Journal of Heat Transfer
language:en
Short-container-title:

Author:

Aldabbagh L. B. Y.¹,Sezai I.¹,Mohamad A. A.²

Affiliation:

1. Mechanical Engineering Dept., Eastern Mediterranean University, G. Magosa, Mersin 10, Turkey

2. Dept. of Mechanical and Manufacturing Engineering, The University of Calgary, Calgary, AB, T2N 1N4, Canada

Abstract

The flow and heat transfer characteristics of an impinging laminar square jet through cross-flow have been investigated numerically by using the three-dimensional Navier-Stokes and energy equations in steady state. The simulations have been carried out for jet to cross-flow velocity ratios between 0.5 and 10 and for nozzle exit to plate distances between 1D and 6D, where D is the jet width. The complex nature of the flow field featuring a horseshoe vortex has been investigated. The calculated results show that the flow structure is strongly affected by the jet-to-plate distance. In addition, for jet-to-plate spacing of one jet width and for jet to cross-flow velocity ratios less than 2.5 an additional peak occurs at about three-dimensional downstream of the jet impingement point. For high jet to cross-flow ratios two horseshoe vortices form around the jet in the case of small jet-to-plate spacings.

Publisher

ASME International

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

Link

http://asmedigitalcollection.asme.org/heattransfer/article-pdf/125/2/243/5755054/243_1.pdf

Reference22 articles.

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2. Barata, J. M. M., Durao, D. F. G., and Heitor, M. V., 1991, “Impingement of Single and Twin Turbulent Jets Through a Crossflow,” AIAA J., 29(4), pp. 595–602.

3. Barata, J. M. M. , 1996, “Fountain Flows Produced by Multiple Impinging Jets in a Crossflow,” AIAA J., 34(12), pp. 2523–2530.

4. Chuang, S. H., Chen, M. H., Lii, S. W., and Tai, F. M., 1992, “Numerical Simulation of Twin-jet Impingement on a Flat Plate Coupled With Cross-Flow,” Int. J. Numer. Methods Fluids, 14, pp. 459–475.

5. Kim, S. W., and Benson, T. J., 1993, “Fluid Flow of a Row of Jets in Crossflow—A Numerical Study,” AIAA J., 31(5), pp. 806–811.

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