morbidodyssey
14.04.2020 •
Engineering
A freezer of 16 ft3 requires removal of 105 kJ heat transfer per day to maintain its temperature at 0C. a) Determine the minimum theoretical work input for one day of operation of the refrigeration cycle (cooling the freezer) if the heat is dumped into the ambient at temperature of 27C. b) What is the coefficient of performance of the refrigerator if in reality its power consumption is 400 W? How does this power consumption compare with that of similar size freezers available on market?
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Ответ:
For 51:
1, 3, 17, 51 (1x51, 51x1, 3x17, and 17x3)
For 75:
1, 3, 5, 15, 25, 75 (1x75, 75x1, 3x25, 25x3, 5x15, 15x5)