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## The cooling load of a cold store is 24kW, the evaporator temperature is -10 ° C, the condenser temperature is 40 ° C. R134a is used as the refrigerant. Calculate the mass flow rate, the power consumed by the compressor, the cooling effect coefficient and coefficient according to all these data. (compressor characteristics Heating effect hik (compressor internal efficiency) = 0.75, hmk (mechanical efficiency) = 0.80, hec (electric efficiency) = 0.97 and hkk (belt pulley efficiency) = 0.95) motor

The cooling load of a cold store is 24kW, the evaporator temperature is -10 ° C, the condenser temperature is 40 ° C. R134a is used as the refrigerant. Calculate the mass flow rate, the power consumed by the compressor, the cooling effect coefficient and coefficient according to all these data. (compressor characteristics Heating effect hik (compressor internal efficiency) = 0.75, hmk (mechanical efficiency) = 0.80, hec (electric efficiency) = 0.97 and hkk (belt pulley efficiency) = 0.95) motor
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