Carnot comparison of multi-temperature level absorption heat cycles |
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Authors: | K Abrahamsson, Jernqvist |
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Affiliation: | K Abrahamsson,Å Jernqvist |
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Abstract: | Comparison of different absorption heat cycles is not always made on the correct manner. This also includes comparison of an ideal absorption cycle with a mechanical analogy. A new Carnot model operating with two heat engines and two mechanical heat pumps is defined to be the correct and logical way to describe the mechanical analogy for an absorption heat pump and an absorption heat transformer. General equations for the Carnot coefficient of performance, COPr, are exemplified and simulated for an absorption heat pump and an absorption heat transformer, and an entropy flow fraction diagram is introduced. The important fact that the absorption heat cycles must operate under the same conditions when they are compared is discussed. |
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Keywords: | machine à absorption cycle frigorifique rendement Carnot comparaison entropie |
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