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The behavior of the cooling capacity and efficiency of hermetic compressors operating in tropical conditions is studied and the effect on the functioning of domestic refrigerators is evaluated. For this experimental study, the performance of hermetic compressors at ambient temperatures of 35 and 38 ° C was analyzed and compared with those obtained under the standard CECOMAF and ASHRAE test conditions. Hermetic compressors from three manufacturers were used, in which such thermodynamic parameters were determined through a secondary flow calorimeter and an accelerated run test to know the mechanical wear of the compressor components. The results show that, on the average, more than 10% of the cooling capacity and more than 7% efficiency of the hermetic compressors studied are lost. The assessment in accelerated run showed that none of the compressor components presented intense mechanical wear.

EVAUACIÓN EXPERIMENTAL DE COMPRESORES HERMÉTICOS EN CONDICIONESDE CLIMA TROPICAL: EFICIENCIA Y CAPACIDAD FRIGORÍFICA