Power Reduction in Air Conditioning by Means of Off-Peak Operation and Coolness Storage

[+] Author and Article Information
J. C. Dudley

General Electric Co., Lynn, Mass.

S. I. Freedman

IU Energy Systems, Inc., So. Braintree, Mass.

J. Eng. Power 96(3), 165-168 (Jul 01, 1974) (4 pages) doi:10.1115/1.3445788 History: Received August 01, 1973; Online July 14, 2010


An original air-conditioning system was developed which requires considerably less power than conventional systems while providing identical cooling and dehumidification. The 50 percent (depending on application) power reduction is accomplished by off-peak compressor operation and storage of chilled water. The full cooling and dehumidification is accomplished by means of a new thermodynamic cycle involving two evaporators with an intermediate condenser operating with the stored chilled water. The system was built, instrumented, and operated reliably. Evaluation of performance data confirmed the theory and verified the power reduction, cooling, and dehumidification performance calculations.

Copyright © 1974 by ASME
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