An ideal vapor compression refrigeration cycle is modified to include a counter flow heat exchanger between the stream exiting the condenser and the evaporator. R-12 is the working fluid. Data are known at various locations; the mass flow rate is given. Determine (a) refrigerant capacity (b) power input required in the compressor (c) COP. 20 bar CONDENSER 40c+3 1 bar 10C 20 bar 40C 3 R-12 20 bar 10C 1 bar sat.vap 1 1 bar EVAPORATOR m=.12 kg/s

The higher the room temperature, the worse the performance of the air conditioner in the summer.   True  False

1 The condenser can be part of which loop(s)? a- Airside loop b- Chilled-water loop c- Refrigeration loop d-Heat-rejection loop e-Controls loop 2 The evaporator can be part of which loop(s)? a- Airside loop b- Chilled-water loop c- Refrigeration loop d-Heat-rejection loop e-Controls loop 3 Which loop is eliminated in a direct expansion (DX) system? a- Airside loop b- Chilled-water loop c- Refrigeration loop d-Heat-rejection loop e-Controls loop 4 What are some benefits of using a "packaged" piece of cooling equipment rather than a "split" system?

What is Ice Powered Air Conditioning?