An ammonia refrigeration system involves an evaporator operating at -20°C and the condenser temperature set at 40°C. Determine the reduction in power requirements per ton of refrigeration with the use...

An ammonia refrigeration system involves an evaporator operating at -20°C and the condenser temperature set at 40°C. Determine the reduction in power requirements per ton of refrigeration with the use of a fl ash gas removal system at an intermediate pressure of 519 kPa ( Fig. 6.23 )