Predicted and Measured Pressure Drop in Parallel Plate Rotary Regenerators

[+] Author and Article Information
I. L. Maclaine-Cross

Broken Hill Division, University of New South Wales, Broken Hill, New South Wales, Australia

C. W. Ambrose

Department of Mechanical Engineering, Monash University, Clayton, Victoria, Australia

J. Fluids Eng 102(1), 59-63 (Mar 01, 1980) (5 pages) doi:10.1115/1.3240625 History: Received March 19, 1979; Online October 26, 2009


The flow in the passages of parallel plate rotary heat exchangers or regenerators is laminar and fully developed. Laminar flow theory should allow an accurate prediction of heat and mass transfer and pressure drop. Previously measured values of pressure drop have been 20 percent higher than predicted. Pressure drop is predicted here by considering the passage cross section rectangular and correcting for flow acceleration, property variations, and inlet and outlet pressure drop. The pressure drops measured on a parallel plate sensible heat regenerator were within 3 percent of theory and on a prototype parallel plate total heat regenerator within 4 percent.

Copyright © 1980 by ASME
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