Fig. 2: Refrigerant flash intercooling only slightly increases the coefficient of performance (COP) for ammonia. | Communications Engineering

Fig. 2: Refrigerant flash intercooling only slightly increases the coefficient of performance (COP) for ammonia.

From: A unified approach for the thermodynamic comparison of heat pump cycles

Fig. 2

a The calculated COP improvement \(\alpha\) varies when the intermediate temperature \({T}_{i}\) in the flash tank increases for different condensing temperatures. b The maximum COP improvement (Max α). c The corresponding optimal flash tank temperature (optimal \({T}_{i}\)).

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