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What is Refrigeration and Heat Pump Calculations about?
This document contains 5 problems related to refrigerators, heat pumps, and heat engines. Problem 1 calculates the cooling rate of a refrigerator operating between 250K and 300K with a 10kW compressor to be 50kW. Problem 2 determines the minimum power input required for a refrigerator maintaining -8°C while removing heat at 300kJ/min is 1.623kW. Problem 3 asks if a 5kW heat pump is powerful enough to maintain a house at 22°C while extracting 110,000kJ/h of heat from outside air at 2°C.
- Author
- Sushan Ju
- Language
- EN