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Energy and exergy analysis of single effect and series flow double effect water-lithium bromide absorption refrigeration systems.
Author(s) : KAUSHIK S. C., ARORA A.
Type of article: Article, IJR article
Summary
In this paper, the energy and exergy analysis of single effect and series flow double effect water-lithium bromide absorption systems is presented. A computational model has been developed for the parametric investigation of these systems. Newly developed computationally efficient property equations of water-lithium bromide solution have been used in the computer code. The analysis involves the determination of effects of generator, absorber and evaporator temperatures on the energetic and exergetic performance of these systems. The effects of pressure drop between evaporator and absorber, and effectiveness of heat exchangers are also investigated. The performance parameters computed are coefficient of performance, exergy destruction, efficiency defects and exergetic efficiency. The results indicate that coefficient of performance of the single effect system lies in range of 0.6-0.75 and the corresponding value of coefficient of performance for the series flow double effect system lies in the range of 1-1.28. The effect of parameters such as temperature difference between heat source and generator and evaporator and cold room have also been investigated. Irreversibility is highest in the absorber in both systems when compared to other system components.
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Details
- Original title: Energy and exergy analysis of single effect and series flow double effect water-lithium bromide absorption refrigeration systems.
- Record ID : 2009-2028
- Languages: English
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 32 - n. 6
- Publication date: 2009/09
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