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Study on the Air-Side Heat Transfer and Pressure Drop for Fin-Tube Heat Exchangers

[+] Author Affiliations
Ji Hwan Jeong

Cheonam College of Foreign Studies

Keun Sun Chang, Young Chel Kweon, Min Kyu Lee

Sunmoon University, Choongnam, Korea

Sang Jae Lee

HanYang University

Paper No. IMECE2002-39560, pp. 547-554; 8 pages
doi:10.1115/IMECE2002-39560
From:
  • ASME 2002 International Mechanical Engineering Congress and Exposition
  • Heat Transfer, Volume 7
  • New Orleans, Louisiana, USA, November 17–22, 2002
  • Conference Sponsors: Heat Transfer Division
  • ISBN: 0-7918-3638-X | eISBN: 0-7918-1691-5, 0-7918-1692-3, 0-7918-1693-1
  • Copyright © 2002 by ASME

abstract

Experimental measurements and numerical analysis have been carried out in order to investigate performances of air-side heat transfer and pressure drop for six types of heat exhcangers with various fin shapes. An air-enthalpy calorimeter is used in this work. Numerical analysis shows a good agreement with experimental measurements. Measurements for six types of heat exchangers at various air-velocity are compared with each other. Heat transfer per unit area appears to be nearly the same in the range of 0.7~0.9 m/s while it varies within 3% at 1.5 m/s. The numerical results show that most of heat transfer takes place through fins for all types and majority of heat transfer happens from the 1st row.

Copyright © 2002 by ASME

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