Exergy and energy analysis of a cascade refrigeration system using R744+R170 for low temperature applications

Muhammad Idrus Alhamid; Darwin R B Syaka

Exergy and energy analysis of a cascade refrigeration system using R744+R170 for low temperature applications

Muhammad Idrus Alhamid, Darwin R B Syaka, Nasruddin

Department of Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

This article presents a thermodynamic energy and exergy analysis to optimize a cascade refrigeration system to be used for biomedical cold-storage application. An azeotrope mixture carbon dioxide and ethane-propane (R744+R170-R290) cascade system has been promoted as a prospective alternative solution to the use of HFC refrigerants. A novel multilinear regression analysis was employed to develop mathematical expressions for maximum COP, optimum evaporating temperatures of the R290 cycle, and an optimum mass flow ratio in terms of evaporating temperature, condensing temperature and temperature differences in the system's cascade condenser.

Original language	English
Pages (from-to)	1-8
Number of pages	8
Journal	International Journal of Mechanical and Mechanics Engineering
Volume	10
Issue number	6
Publication status	Published - 15 Dec 2010

Keywords

Carbon dioxide
Ethane
Exergy
Mixture
Optimize
Refrigeration

Cite this

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N2 - This article presents a thermodynamic energy and exergy analysis to optimize a cascade refrigeration system to be used for biomedical cold-storage application. An azeotrope mixture carbon dioxide and ethane-propane (R744+R170-R290) cascade system has been promoted as a prospective alternative solution to the use of HFC refrigerants. A novel multilinear regression analysis was employed to develop mathematical expressions for maximum COP, optimum evaporating temperatures of the R290 cycle, and an optimum mass flow ratio in terms of evaporating temperature, condensing temperature and temperature differences in the system's cascade condenser.

AB - This article presents a thermodynamic energy and exergy analysis to optimize a cascade refrigeration system to be used for biomedical cold-storage application. An azeotrope mixture carbon dioxide and ethane-propane (R744+R170-R290) cascade system has been promoted as a prospective alternative solution to the use of HFC refrigerants. A novel multilinear regression analysis was employed to develop mathematical expressions for maximum COP, optimum evaporating temperatures of the R290 cycle, and an optimum mass flow ratio in terms of evaporating temperature, condensing temperature and temperature differences in the system's cascade condenser.

KW - Carbon dioxide

KW - Ethane

KW - Exergy

KW - Mixture

KW - Optimize

KW - Refrigeration

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ER -

Exergy and energy analysis of a cascade refrigeration system using R744+R170 for low temperature applications

Abstract

Keywords

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