Irreversible refrigerators with isothermal heat exchanges: Réfrigérateurs irréversibles avecéchanges thermiques isotherms |
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| Authors: | Giuseppe Grazzini |
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| Abstract: | A maximum for the coefficient of performance (COPf) is verified for a temperature difference between reservoirs and the hot isotherm of a closed irreversible cyclical refrigerator working at steady-state conditions. A maximum also exists when the COPf is considered as a function only of a parameter depending on the thermal characteristics of the heat exchangers. The influence of the parameter and entropy generation on the COPf maxima is described. |
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| Keywords: | refrigerators thermodynamic optimization irreversibilitiesMots clé s: ré frigé rateurs optimization thermodynamique irré versibilité s |
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