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Thermo-economic optimization of an endoreversible four-heat-reservoir absorption-refrigerator

By Xiaoyong Qin, Lingen Chen, Fengrui Sun and Chih Wu

Abstract

Based on an endoreversible four-heat-reservoir absorption-refrigeration-cycle model, the optimal thermo-economic performance of an absorption-refrigerator is analyzed and optimized assuming a linear (Newtonian) heat-transfer law applies. The optimal relation between the thermo-economic criterion and the coefficient of performance (COP), the maximum thermo-economic criterion, and the COP and specific cooling load for the maximum thermo-economic criterion of the cycle are derived using finite-time thermodynamics. Moreover, the effects of the cycle parameters on the thermo-economic performance of the cycle are studied by numerical examples.Absorption-refrigeration-cycle Finite-time thermodynamics Thermo-economic performance Optimization

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