Maximum Cooling Capacity of a Chemical Heat Pump Using CaCl2 /CH3NH2
This paper examines theoretically and experimenally the maximum cooling capacity of a chemical heat pump that uses a reversible reaction of CaCl2/CH3NH2. The chemical heat pump consists of a reactor and a liquid vessel. CaCl2 is packed in the reactor and CH3NH2 is charged in the liquid vessel. This...
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Veröffentlicht in: | KAGAKU KOGAKU RONBUNSHU 1992/01/10, Vol.18(1), pp.44-50 |
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Format: | Artikel |
Sprache: | eng ; jpn |
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Zusammenfassung: | This paper examines theoretically and experimenally the maximum cooling capacity of a chemical heat pump that uses a reversible reaction of CaCl2/CH3NH2. The chemical heat pump consists of a reactor and a liquid vessel. CaCl2 is packed in the reactor and CH3NH2 is charged in the liquid vessel. This heat pump has two operating modes : regeneration mode and output mode. Each mode is operated for a fixed cycle period. The cooling output is supplied by the evaporation of CH3NH2. A theoretical model that expresses cooling capacity through reaction rate constants, operating temperatures and cycle period is developed. It gives the relation between the cooling capacity and the cycle period. As a result, we find that the maximum cooling capacity is achieved at different cycle periods according to the operating temperature selected. The experimental results were in good agreement with the theoretical analysis. |
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ISSN: | 0386-216X 1349-9203 |
DOI: | 10.1252/kakoronbunshu.18.44 |