Publicación: Exergy analysis of an absorption refrigeration system using pair working fluid water-ammonia
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2022
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Atribución-NoComercial-SinDerivadas 4.0 Internacional
info:eu-repo/semantics/openAccess
info:eu-repo/semantics/openAccess
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['Universidad Nacional de Educación a Distancia (España)', 'Universidad Politécnica de Madrid. Departamento de Ingeniería Mecánica']
Resumen
The current work presents an exergy analysis of each component of an absorption refrigeration system using water-ammonia as working fluids and with a rectifier in the generator output. A static simulation was performed with fixed temperatures and heat input, thus obtaining the thermodynamic state of each point, then the value of the Coefficient of Performance (COP) and the exergetic efficiency was calculated. The COP behavior, efficiency, cooling capacity and irreversibilities were also analyzed for each component due to the variation in the condensation temperature, evaporation temperature and the heat of the gases supplied to generator. The analysis developed in this study also shows that ways to improve absorption refrigeration systems should focus on developing more efficient components, in particular the generator, heat exchanger and the absorber, all of which presented high exergy losses in the system.
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Categorías UNESCO
Palabras clave
absorption refrigeration system, water-ammonia, exergy analysis, rectifier, thermodynamic modeling
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Centro
E.T.S. de Ingenieros Industriales
Departamento
Mecánica