Publicação: Coeficiente de operación de un sistema formado por un refrigerador doméstico acoplado a un acumulador de agua caliente para la recuperación de energía
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An experimental apparatus containing a domestic refrigerator coupled to a vertical hot water storage tank was used for energy recovery. The original condenser of the refrigerator was maintained, but modified with a concentric tubes heat exchanger with countercurrent water and refrigerating gas flows. The coefficient of performance for the heat pump is calculated by the ratio of energy in the heat storage and the electric power consumed by the domestic refrigerator compressor. The results show that the increasing of hydrostatic pressure in the storage tank increases the water flow rate and the coefficient of performance. The proposed device also reduces the heat dissipation to the surroundings. This is more important in small confinements found in low-cost houses.
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Coefficient of performance, Domestic refrigerator, Heat exchanger, Thermal storage, Coefficient of Performance, Concentric tube, Counter current, Domestic refrigerators, Electric power, Energy recovery, Experimental apparatus, Heat pumps, Hot water storage tanks, Storage tank, Water flow rate, Condenser tubes, Heat exchangers, Heat pump systems, Heat storage, Hydrostatic pressure, Power quality, Refrigerators
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Espanhol
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Informacion Tecnologica, v. 23, n. 2, p. 141-150, 2012.
