Thermodynamic analysis and design data for a double-effect absorption heat pump system using four working pairs |
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| Affiliation: | 1. Faculty of Chemistry and Chemical Engineering, University of Maribor, Maribor, Slovenia;2. Centre for Process System Engineering and Sustainability, Pázmány Péter Catholic University, Budapest, Hungary;3. Process System Engineering Laboratory, Department of Chemical and Biomolecular Engineering, Yonsei University, Seoul, Republic of Korea;1. Cryogenic Research Institute, Daesung Industrial Gases Co., Ltd, Ansan, Republic of Korea;2. National Fusion Research Institute, Daejeon, Republic of Korea;3. Department of Safety Engineering, Incheon National University, Incheon, Republic of Korea |
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| Abstract: | Performance analysis of a double-effect absorption heat pump system has been done for water-four working pairs (or mixture) by computer simulation. The coefficient of performance and mass flow ratio are investigated to compare these aqueous solutions [waterLiCl, waterLiBrLiBr waterLiClCaCl2Zn(NO3)2] which was developed for only cooling, with conventional waterLiBr solution, based on mass, material and heat balance equations for each part.From this analysis, it is found that the performances of the new aqueous solutions are better than that of LiBrwater solution not only in cooling systems, but also in heating systems, although the operating temperature ranges of these new aqueous solutions are very narrow in heating. Theoretical thermodynamic performance data can be used and are given here by design data. |
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