Transient Response of Gas-to-Gas Crossflow Heat Exchangers With Neither Gas Mixed

[+] Author and Article Information
F. E. Romie

Palos Verdes Estates, Calif. 90274

J. Heat Transfer 105(3), 563-570 (Aug 01, 1983) (8 pages) doi:10.1115/1.3245622 History: Received July 18, 1972; Online October 20, 2009


The transient mixed mean temperatures of the two gases leaving a crossflow heat exchanger are found for a unit step increase in the entrance temperature of either gas. The temperature responses are given in graphical form for the range of parameters: Ntu from 1 to 8, capacity rate ratio from 0.6 to 1.67, and conductance, ratio from 0.5 to 2.0. The solutions are found using the Laplace transform method and apply to single-pass crossflow exchangers with neither gas mixed.

Copyright © 1983 by ASME
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