Heat Transfer in a High Turbulence Air Jet Impinging Over a Flat Circular Disk-Reference-Cited by-同舟云学术

Heat Transfer in a High Turbulence Air Jet Impinging Over a Flat Circular Disk

Published:2003-03-21 Issue:2 Volume:125 Page:257-265
ISSN:0022-1481
Container-title:Journal of Heat Transfer
language:en
Short-container-title:

Author:

Siba Erick A.¹,Ganesa-Pillai M.²,Harris Kendall T.³,Haji-Sheikh A.³

Affiliation:

1. Dell Corp., One Dellway, Roundrock, TX 78682

2. 5505 Stonehenge Drive, Richardson, TX 75082

3. Department of Mechanical and Aerospace Engineering, The University of Texas at Arlington, Arlington, TX 76019-0023

Abstract

This study concerns the flow and heat transfer characteristics of a turbulent submerged circular air jet impinging on a horizontal flat surface when free stream turbulence exceeds 20 percent. The turbulent fluctuations of the free stream velocity are the primary aerodynamics influencing heat transfer. Two regions with distinct flow characteristics are observed: the stagnation region, and the wall-jet region. According to the linear form of the energy equation, the surface heat flux may be decomposed into laminar and turbulent components. An inverse methodology can determine the turbulent component of the heat transfer coefficient in the stagnation region and in the wall-jet region as a function of the root mean square value of the fluctuating component of velocity in the bulk flow direction.

Publisher

ASME International

Subject

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

Link

http://asmedigitalcollection.asme.org/heattransfer/article-pdf/125/2/257/5755228/257_1.pdf

Reference19 articles.

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2. Zapp, G., Jr., 1950, “The Effect of Turbulence on Local Heat Transfer Coefficient Around a Cylinder Normal to Air Flow,” Master’s thesis, Oregon State College, Corvallis, OR.

3. Kestin, J., Maeder, P. F., and Sogin, H. H., 1961, “The Influence of Turbulence on the Transfer of Heat to Cylinders Near the Stagnation Point,” Z. Agnew. Math. Phys., 12, pp. 115–132.

4. Martin, H. , 1977, “Heat and Mass Transfer Between Impinging Gas Jets and Solid Surfaces,” Adv. Heat Transfer, 13, pp. 1–60.

5. Lowery, G. W., and Vachon, P. I., 1975, “The Effect of Turbulence on Heat Transfer from Heated Cylinders,” Int. J. Heat Mass Transf., 18, pp. 1229–1242.

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