Experiments are conducted on a heat pump with refrigerants R22, R407C and R407A. The performance is compared in terms of coefficient of performance, heating/cooling capacities, and exergy efficiency of the overall system. The results are analyzed from an exergy point of view to bring out the conditions under which the performance is maximum.
Issue Section:
Technical Papers
1.
Gabrielii
, C.
, and Vamling
, L.
, 1997
, “Replacement of R22 in tube and shell condensers: experiments and simulations
,” Int. J. Refrig.
, 20
, pp. 165
–178
.2.
Apera
, C.
, Mastrullo
, R.
, and de Rossi
, F.
, 1996
, “Behavior and Performance of R502 Alternative Working Fluids in Refrigerating Plants
,” Int. J. Refrig.
, 19
, pp. 257
–263
.3.
Domanski
, P. A.
, Didion
, D. A.
, and Doyle
, J. P.
, 1994
, “Evaluation of Suction-line/liquid-line Heat Exchange in the Refrigeration Cycle
,” Int. J. Refrig.
, 17
(7
), pp. 487
–493
.4.
Mulroy
, W. J.
, Domanski
, P. A.
, and Didon
, D. A.
, 1994
, “Glide Matching with Binary and Ternary Zeotropic Refrigerant Mixtures Part. I: An Experimental Study
,” Int. J. Refrig.
, 17
, pp. 220
–229
.5.
Jung
, D.
, Song
, Y.
, and Park
, B.
, 2000
, “Performance des Melanges de Frigorigences Utilises Pour Remplacer le HCFC22
,” Int. J. Refrig.
, 23
, pp. 466
–474
.6.
Ferreira, C. A. I., Vanderree, H., and Touber, S., 1999, “The Role of Compressors in Industrial Refrigeration Plants (An Exergy Analysis),” Proceedings of the 20th International Congress of Refrigeration, IIR/IIF, Sydney, Australia, sept. 19–24, 1999, III(578), pp. 2843–2851.
7.
Pannock, J., Didion, D. A., and Radermacher, R., 1991, “Energetic Behavior of Chlorine-free Zeotropic Refrigerant Mixtures in a Heat Pump or Air Conditioner: A Computer Study and Practical Test,” Proceeding of DKV Tagungsbericht, 18(2), pp. 125–139.
8.
Domanski
, P. A.
, and Didion
, D. A.
, 1993
, “Thermodynamic Evaluation of R-22 Alternative Refrigerants and Refrigerants Mixtures
,” ASHRAE Trans.
, 99
, pp. 636
–648
.9.
Dheeraj, G., Venkatarathnam, G., Srinivasa Murthy, S., and Oellrich, L. R., 2000, “Untersuchungen an Einem Kombinierten Wa¨rmepumpen-Ku¨hler Teststand fu¨r Gleichzeitige Heiz-und Ku¨hlanwendungen,” Experiments on Compression Heat Pump-Chillers for Simultaneous Heating and Cooling Applications, Annual conference of Deutscher Ka¨lte-und Klimatechnischer Verein (DKV), Bremen, Germany, Nov. 2000 II(2), pp. 65–76.
10.
Dheeraj, G., 2000, “Experiments on Heat Pump Chiller with Different Working Fluids,” M.S. Thesis, Indian Institute of Technology Madras, India.
11.
Brodyansky, V. M., Sorin, M. V., Legoff, P., and Pilavachi, P. A., 1994, “The Efficiency of Industrial Processes: Exergy Analysis and Optimization,” Elsevier, Amsterdam.
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