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33002707 An Aqueous Lithium Bromide Absorption Refrigerator Part I Theoretical Investigation

Satha Aphornratana

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Abstract

In this paper, an absorption refrigerator using lithium bromide-water as the working fluid was investigated theoretically. A mathematical model was developed and used to analyse an absorption cycle over a range of operating temperatures. Theoretical results showed that the Solution Circulation Ratio (SCR) plays a very important role in the system performance. The results also showed that Coefficient of Performance (COP) of the system can not always be improved by raising the generator temperature due to the problem of crystallisation.

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What this paper is about

In this paper, an absorption refrigerator using lithium bromide-water as the working fluid was investigated theoretically. A mathematical model was developed and used to analyse an absorption cycle over a range of operating temperatures. Theoretical results showed that the Solution Circulation Ratio (SCR) plays a very important role in the system performance. The results also showed that Coefficient of Performance (COP) of the system can not always be improved by raising the generator temperature due to the problem of crystallisation.

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Available abstract

In this paper, an absorption refrigerator using lithium bromide-water as the working fluid was investigated theoretically. A mathematical model was developed and used to analyse an absorption cycle over a range of operating temperatures. Theoretical results showed that the Solution Circulation Ratio (SCR) plays a very important role in the system performance. The results also showed that Coefficient of Performance (COP) of the system can not always be improved by raising the generator temperature due to the problem of crystallisation.

Key concepts: Lithium bromide, Absorption refrigerator, Aqueous solution, Coefficient of performance, Absorption (acoustics), Thermodynamics, Lithium (medication), Refrigerator car

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