ENERGETIC AND EXERGETIC ASSESSMENT OF DISPLAY CASES USED IN THE MARKET APPLICATIONS FOR PREFERENCE REFRIGERANT

Yıl 2012, Cilt: 2 Sayı: 2, 180 - 189, 01.12.2012

M. ZIya Sogut

Öz

This study examines energy and exergy analyses of display cases used to preserve daily products in market applications for different refrigerants. In the study, vapor compression cooling cycle is taken as a model and R22, R134a, R404A and R507C refrigerants used in common application and R407C, R410A and R422D evaluated as alternative refrigerants are studied under constant load in cycle. According to COP and exergy analyses, R134a gas and alternative gas R407C have come forth among the other gases with values 5.33 and 60.86%, and 5.41 and 62.04% respectively. The study finally emphasizes the importance of exergy analysis which is an important method to determine irreversibility of the systems

Anahtar Kelimeler

Display cases, Cooling, Refrigerant, Exergy Analyses, COP

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