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Mark Kedzierski, Ph.D., National Institute of Standards and Technology
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J. Steven Brown, Ph.D., P.E., The Catholic University of America
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Junemo Koo, Ph.D., Kyung Hee University
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This presentation describes an evaluation of the cycle performance of thirty-nine refrigerants identified in the AHRI low global warming potential (GWP) Alternative Refrigerants Evaluation Program (Low-GWP AREP) in a typical air-conditioner. A methodology was developed using weighting factors to rank the alternative refrigerants either emphasizing the importance of large COP or the importance of reduced system size. The two ranking methodologies produced different rankings of the alternative refrigerants; however, the top three ranked refrigerants had at least two refrigerants in common with each other.
