No presente trabalho são apresentados resultados de simulação numérica transiente de um sistema de refrigeração doméstico de compressão a vapor considerando o procedimento descrito por JAKOBSEN (1995). O modelo matemático empregado se baseia num sistema de equações algébrico-diferenciais (EAD) de primeira ordem, obtido a partir do balanço de energia nos diferentes componentes do sistema de refrigeração, e de algumas outras relações The employed mathematical model allows calculating the refrigeration system efficiency, predict the energy consumption, thermodynamically characterize the refrigeration system and its interactions and quantitatively describe the thermodynamic losses (entropy generation) of the system running in the operation regime. These results are obtained as a function of the compressor control strategy, compressor efficiency, and sizing of different components of the refrigeration system. The results confirm that the mathematical model and the computational program allow describing correctly the behavior of a domestic refrigeration system, resulting in a very useful tool for optimization of domestic refrigerators.
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