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This paper has investigated the PT equation of state for the new environmental-friendly refrigerant R600a, and on this basis, the mathematical model of heat pump with regenerator internal heat exchanger is constructed. After systematical calculating and analyzing the cycle performance of the heat pump charged with R600a and several types under standard operating condition and variable operating conditions,...
To the basis of first law of thermodynamics, mainly applicable to engineering calculations; to the basis of the second law of thermodynamics - entropy analysis method, can be used to apply to theoretical analysis and engineering calculations. In this paper, a single performance valuation and entropy analysis for heat recovery equipment have been used, which is to make performance evaluation of heat...
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