Transcription of Refrigeration Cycle - SFU.ca
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M. Bahrami ENSC 461 (S 11) Refrigeration Cycle 1 Refrigeration Cycle Heat flows in direction of decreasing temperature, , from high-temperature to low temperature regions. The transfer of heat from a low-temperature to high-temperature requires a refrigerator and/or heat pump. Refrigerators and heat pumps are essentially the same device; they only differ in their objectives. The performance of refrigerators and heat pumps is expressed in terms of coefficient of performance (COP): innetHHPinnetLRWQCOPWQCOP,, The Reversed Carnot Cycle Reversing the Carnot Cycle does reverse the directions of heat and work intera
M. Bahrami ENSC 461 (S 11) Refrigeration Cycle 5 R22: CHClF2 has less chlorine, a little better for the environment than R12 - used for lower temperature applications
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