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Effect of fins on forced convection heat transfer around a tube

✍ Scribed by Kenichi Hashizume; Takahiro Matsue; Yoshiaki Sueoka

Publisher
John Wiley and Sons
Year
2003
Tongue
English
Weight
808 KB
Volume
32
Category
Article
ISSN
1099-2871

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✦ Synopsis

Abstract

Effect of fins on heat transfer around a tube was investigated experimentally. A test tube of 30 mm diameter was installed in a test section of an open‐type wind tunnel as a single tube, or as a center tube in a single tube row and in a tube bundle of staggered layout. Fins made of paper were put on the test tube having certain fin spacing. It was clarified from the experiment that the local heat transfer coefficient around the tube degrades with decreasing fin spacing, especially on the downstream side of the tube, and the minimum fin spacing where the effect of the fin begins to appear is the largest for the single tube and the smallest for the tube bundle. Β© 2003 Wiley Periodicals, Inc. Heat Trans Asian Res, 32(5): 445–454, 2003; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/htj.10098

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