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Forced Convection Heat Transfer Characteristics of V-Bent Circular Fin-Tube Heat Exchanger

[+] Author Affiliations
Jong Hwi Lee, Hie Chan Kang

Kunsan National University, Kunsan, Jeonbuk, Korea

Paper No. AJK2011-35011, pp. 4017-4022; 6 pages
  • ASME-JSME-KSME 2011 Joint Fluids Engineering Conference
  • ASME-JSME-KSME 2011 Joint Fluids Engineering Conference: Volume 1, Symposia – Parts A, B, C, and D
  • Hamamatsu, Japan, July 24–29, 2011
  • Conference Sponsors: Fluids Engineering Division
  • ISBN: 978-0-7918-4440-3
  • Copyright © 2011 by KSME


The purpose of the present study is to investigate the flow resistances and heat transfer characteristics of V-bent circular fin-tube heat exchangers. Two types of V-bent fin, in which the fin areas are identical but the type of bend is different (uni- and bi-directional), have been tested numerically. The heat transfer, pressure drop, fin temperature, and fin efficiency are discussed. The uni-directional bent fin showed higher flow resistance and better heat transfer performance than the bi-directional fin. With a 37% V-bent design, the heat transfer coefficient of the uni-directional fin was up to 33% higher than that of the plain circular fin in the present test range.

Copyright © 2011 by KSME



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