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Initial Evaporative Comparison of R-22 with Alternative Refrigerants R-134a and R-321R-125
J. P. Wattelet, J. C. Chato, A. L. Souza, and B. R. Christoffersen
ACRCTR-39 June 1993

For additional information:
Air Conditioning and Refrigeration Center University of Illinois Mechanical & Industrial Engineering Dept. 1206 West Green Street Urbana, IL 61801 (217) 333-3115

Prepared as part ofACRC Project 01 Refrigerant-Side Evaporation and Condensation Studies 1. C. Chato, Principal Investigator

The Air Conditioning and Refrigeration Center was founded in 1988 with a grant from the estate of Richard W. Kritzer, the founder of Peerless of America Inc. A State of Illinois Technology Challenge Grant helped build the laboratory facilities. The ACRC receives continuing support from the Richard W. Kritzer Endowment and the National Science Foundation. Thefollowing organizations have also become sponsors of the Center.

Acustar Division of Chrysler Allied-Signal, Inc. Amana Refrigeration, Inc. Brazeway, Inc. Carrier Corporation Caterpillar, Inc. E. I. du Pont de Nemours & Co. Electric Power Research Institute Ford Motor Company Frigidaire Company General Electric Company Harrison Division of GM ICI Americas, Inc. Modine Manufacturing Co. Peerless of America, Inc. Environmental Protection Agency U. S. Army CERL Whirlpool Corporation
For additional iriformation: Air Conditioning & Refrigeration Center Mechanical & Industrial Engineering Dept. University of Illinois 1206 West Green Street Urbana IL 61801


INITIAL EVAPORATIVE COMPARISON OF R·22 WITH ALTERNATIVE REFRIGERANTS R·l34a AND R·32/R·125 J.P. Wattelet, J.C. ehato, A.L. Souza, and B.R. Christoffersen ABSTRACT Initial R-22 alternatives were examined for conditions found in stationary air conditioning system evaporators. Heat transfer coefficients for both R-134a and a 60%/40% azeotropic mixture of…...

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