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A general thermodynamic framework for understanding the behaviour of absorption chillers

Chua, HT and Toh, HK and Malek, A and Ng, KC and Srinivasan, K (2000) A general thermodynamic framework for understanding the behaviour of absorption chillers. In: International Journal of Refrigeration, 23 (7). 491 -507.

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Official URL: http://dx.doi.org/10.1016/S0140-7007(99)00077-8

Abstract

In this article, a general definition of the process average temperature has been developed, and the impact of the various dissipative mechanisms on 1/COP of the chiller evaluated. The present component-by-component black box analysis removes the assumptions regarding the generator outlet temperature(s) and the component effective thermal conductances. Mass transfer resistance is also incorporated into the absorber analysis to arrive at a more realistic upper limit to the cooling capacity. Finally, the theoretical foundation for the absorption chiller T-s diagram is derived. This diagrammatic approach only requires the inlet and outlet conditions of the chiller components and can be employed as a practical tool for system analysis and comparison. (C) 2000 Elsevier Science Ltd and IIR. All rights reserved.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Elsevier science.
Keywords: Refrigerating system;Absorption system; Design;Performance; ModellingAuthor Keywords:Système frigorifique;Système à absorption;Conception;Performance Modélisation
Department/Centre: Division of Mechanical Sciences > Mechanical Engineering
Date Deposited: 23 Aug 2010 06:27
Last Modified: 19 Sep 2010 06:14
URI: http://eprints.iisc.ernet.in/id/eprint/31440

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