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Second Thermal and Fluids Engineering  Conference

ISSN: 2379-1748
ISBN: 978-1-56700-430-4

EXERGY-BASED ECOLOGICAL CRITERION AND OPTIMIZATION OF AN IRREVERSIBLE ABSORPTION HEAT PUMP

Xiaoyong Qin
Institute of Thermal Science and Power Engineering, Naval University of Engineering, Wuhan 430033, China; Military Key Laboratory for Naval Ship Power Engineering, Naval University of Engineering, Wuhan 430033, China; College of Power Engineering, Naval University of Engineering, Wuhan 430033, China

Lingen Chen
Institute of Thermal Science and Power Engineering, Naval University of Engineering, Wuhan, 430033, P. R. China; Military Key Laboratory for Naval Ship Power Engineering, Naval University of Engineering, Wuhan, 430033, P. R. China; College of Power Engineering, Naval University of Engineering, Wuhan 430033, P. R. China

Yanlin Ge
Institute of Thermal Science and Power Engineering, Naval University of Engineering, Wuhan, 430033, P. R. China; Military Key Laboratory for Naval Ship Power Engineering, Naval University of Engineering, Wuhan, 430033, P. R. China; College of Power Engineering, Naval University of Engineering, Wuhan 430033, P. R. China

Zhihui Xie
Institute of Thermal Science and Power Engineering, Naval University of Engineering, Wuhan, 430033, P. R. China; Military Key Laboratory for Naval Ship Power Engineering, Naval University of Engineering, Wuhan, 430033, P. R. China; College of Power Engineering, Naval University of Engineering, Wuhan 430033, P. R. China

Abstract

Based on irreversible four-temperature-level (FTL) cycle models, an ecological criterion function of absorption heat pump (AHP) plants is proposed. This function can attain a compromise in inter restricted relations between exergy output and exergy loss of AHP plants. Relations among ecological function, coefficient of performance (COP), heating load, exergy output and exergy loss, and various loss factors are derived. Simplified relations are derived when various irreversibility factors can be ignored. The exergy-based ecological characteristics are analyzed through numerical examples. The results can provide some new suggestions about parameter selection for practical AHP plants.

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