Performance analysis of an absorption heat transformer with different working fluid combinations

Juan Yin, Lin Shi, Ming-Shan Zhu and Li-Zhong Han

Applied Energy, 2000, vol. 67, issue 3, 292 pages

Abstract: The absorption heat transformer (AHT) is a promising system for recovering waste heat. It can effectively recover about 50% of the waste heat and reuse it in industrial processes. However, there exists a need for identifying suitable working fluid combinations and for evaluating their relative performance characteristics. As an initial step, this paper presents a comparative performance study for the absorption heat transformer with H2O/LiBr, TFE(2,2,2-trifluoroethanol)/NMP(N-methy1-2-pyrrolidone), TFE/E181(dimethylether tetraethylene glycol) and TFE/PYR(2-pyrrolidone). The results show that the four working fluid combinations are all suitable for absorption heat transformers. H2O/LiBr is suitable at lower operating temperatures, while TFE/NMP, TFE/E181 and TFE/PYR are suitable at higher operating temperatures.

Keywords: Absorption; heat; transformer; H2O/LiBr; TFE/NMP; TFE/E181; TFE/PYR (search for similar items in EconPapers)
Date: 2000
References: View complete reference list from CitEc
Citations: View citations in EconPapers (19)

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