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The heat transfer and pressure drop characteristics of finned tube banks in forced convection (effects of fin height on pressure drop characteristics)

✍ Scribed by Kiyoshi Kawaguchi; Kenichi Okui; Toshihiro Asai; Yutaka Hasegawa

Publisher
John Wiley and Sons
Year
2006
Tongue
English
Weight
829 KB
Volume
35
Category
Article
ISSN
1099-2871

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✦ Synopsis

Abstract

In recent years the requirement for the reduction of energy consumption has been increasing to solve the problems of global warming and the shortage of petroleum resources. For example, in the power generation field, as thermal power generation occupied 60% of the power generation demand, considerable improvement of the thermal efficiency is required. This paper describes the pressure drop characteristics of finned tube banks used for heat exchangers in thermal power generation that were clarified by testing serrated finned tube banks with different fin heights for improved heat transfer and conventional spiral finned tube banks with different fin heights, and an equation to predict pressure drop which is necessary for the heat exchanger design is proposed. Β© 2006 Wiley Periodicals, Inc. Heat Trans Asian Res, 35(3): 179–193, 2006; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/htj.20112

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