Temperature Transformation for High-Temperature Heat Pumps

[+] Author and Article Information
R. Radermacher, L. A. Howe

Department of Mechanical Engineering, The University of Maryland, College Park, MD 20742

J. Eng. Gas Turbines Power 110(4), 652-657 (Oct 01, 1988) (6 pages) doi:10.1115/1.3240186 History: Received April 20, 1987; Online October 15, 2009


A heat pump cycle is introduced that allows heat pumping between two very high temperature levels, while the suction temperature of the working fluid vapor passing through the compressor is considerably lower. This effect of “Temperature Transformation” is achieved by using a working fluid mixture instead of a single pure component and by employing an unconventional cycle design. The proposed cycle allows the extension of heat pump applications to high temperature levels without encountering operating problems for conventional compressors. This cycle and its features are explained. Its performance has been calculated and the results are presented and discussed.

Copyright © 1988 by ASME
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