RESEARCH PAPERS: Heat Exchangers

Performance of Plate Finned Tube Heat Exchangers Under Dehumidifying Conditions

[+] Author and Article Information
Chi-chuan Wang

Energy & Resources Laboratories, Industrial Technology Research Institute, D200 ERL/ITRI, Bldg. 64, 195-6 Section 4, Chung Hsing Road, Chutung, 310, Hsinchu, Taiwan

Yi-chung Hsieh, Yur-tsai Lin

Yuan-Ze Institute of Technology, Chungli, Taiwan

J. Heat Transfer 119(1), 109-117 (Feb 01, 1997) (9 pages) doi:10.1115/1.2824075 History: Received May 16, 1996; Revised October 30, 1996; Online December 05, 2007


Systematic studies of continuous fin-and-tube tube heat exchangers under dehumidifying conditions are reported in the present study. The heat exchangers consist of nine fin-and-tube heat exchangers having plane fins. The effects of fin spacing, the number of tube row, and inlet conditions are investigated. Data are presented in terms of j factors and friction factors f . It is found that the inconsistencies in the open literature may be associated with the wet fin efficiency. A correlation is proposed for the present plate fin configuration; this correlation can describe 92 percent of j , and 91 percent of the f data within ±10 percent.

Copyright © 1997 by The American Society of Mechanical Engineers
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