Experimental Measurements of the Flow and Heat Transfer of a Square Jet Impinging on an Array of Square Pin Fins-Reference-Cited by-同舟云学术

Experimental Measurements of the Flow and Heat Transfer of a Square Jet Impinging on an Array of Square Pin Fins

Published:2005-06-14 Issue:1 Volume:128 Page:61-70
ISSN:1043-7398
Container-title:Journal of Electronic Packaging
language:en
Short-container-title:

Author:

Issa Johnny S.¹²,Ortega Alfonso³⁴

Affiliation:

1. Member ASME

2. Experimental and Computational Heat Transfer Laboratory, Department of Aerospace and Mechanical Engineering, The University of Arizona, Tucson, AZ 85721

3. Fellow ASME

4. Experimental and Computational Heat Transfer Laboratory, Department of Aerospace andf Mechanical Engineering, The University of Arizona, Tucson, AZ 85721

Abstract

Abstract The flow behavior and heat transfer due to free air jet impingement on pin fin heat sinks was experimentally studied. Flow velocities and tip clearance ratios were varied from 2to20m∕s and 0 to 1, respectively. The stagnation pressure recovered at the center of the heat sink was higher for tall pins than for short pins. The pressure loss coefficient showed little dependence on Re, increased with increasing pin density and pin diameter, and decreased with increasing pin height and clearance ratio. The overall base-to-ambient thermal resistance decreased with increasing Re number, pin density, and pin diameter.

Publisher

ASME International

Subject

Electrical and Electronic Engineering,Computer Science Applications,Mechanics of Materials,Electronic, Optical and Magnetic Materials

Link

http://asmedigitalcollection.asme.org/electronicpackaging/article-pdf/128/1/61/6624567/61_1.pdf

Reference15 articles.

1. Design and Optimization of Pin Fin Heat Sinks for Low Velocity Applications;Shaukatullah

2. Experiments and Modeling of the Hydraulic Resistance and Heat Transfer of In-line Square Pin Fin Heat Sinks with Top By-pass Flow;Dogruoz;Int. J. Heat Mass Transfer

3. An Experimental Study of Forced Convection Heat Transfer from In-line Pin-Fin Arrays;Maudgal

4. Heat and Mass Transfer Between Impinging Gas Jets and Solid Surfaces;Martin

5. Electronic Cooling Technology with the Use of Turbulent Impinging Jets;Amano

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