Analytical and Experimental Investigation of Flow-Reversible Heat Exchangers Using Temperature-Entropy Bond Graphs

[+] Author and Article Information
Rahmatallah Shoureshi, Kevin M. McLaughlin

School of Mechanical Engineering, Purdue University, West Lafayette, Ind. 47907

J. Dyn. Sys., Meas., Control 106(2), 170-175 (Jun 01, 1984) (6 pages) doi:10.1115/1.3143732 History: Received October 11, 1982; Online July 21, 2009


Modeling of heat exchangers using true bond graphs with temperature and rate of change of entropy as power variables is presented. Techniques used for modeling of irreversabilities and compressible flows are shown. The results of two and three lump models are compared with experimental results, with the agreement between those low order models and the experimental results being good. This paper shows how well a three lump model (6th order) can predict the dynamics of an actual reversal of flow. Heat exchanger response to mass flow rate oscillation is presented.

Copyright © 1984 by ASME
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