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Journal of Enhanced Heat Transfer
Fator do impacto: 0.562 FI de cinco anos: 0.605 SJR: 0.175 SNIP: 0.361 CiteScore™: 0.33

ISSN Imprimir: 1065-5131
ISSN On-line: 1026-5511

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Journal of Enhanced Heat Transfer

DOI: 10.1615/JEnhHeatTransf.v12.i1.10
pages 1-20

Heat Transfer and Pressure Drop Characteristics of Finned Tube Banks in Forced Convection (Comparison of Heat Transfer and Pressure Drop Characteristics of Serrated and Spiral Fins)

Kiyoshi Kawaguchi
Faculty of Engineering, Toyama University, Gofuku 3190, Toyama-shi, Toyama, 930-8555 Japan
Kenichi Okui
Faculty of Engineering, Toyama University, Gofuku 3190, Toyama-shi, Toyama, 930-8555 Japan
Takaharu Kashi
Faculty of Engineering, Toyama University, Gofuku 3190, Toyama-shi, Toyama, 930-8555 Japan

RESUMO

In recent years, requirement for the reduction of energy consumption has been increasing to solve the problems of global warming and shortage of petroleum resources. In the power generation field, thermal power generation occupies 60% of the power generation demand, so the improvement of thermal efficiency is of considerable importance. In this article, the heat transfer and pressure drop characteristics of finned tube banks used for heat exchangers in thermal power generation plants were studied experimentally. Serrated finned tube banks for improvement of higher heat transfer and conventional spiral finned tube banks were tested under the same test conditions. Empirical equations to predict the heat transfer coefficient and the pressure drop were proposed.


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