Answer it A Carnot refrigeration cycle absorbs heat at 270 K and rejects it at 300 K.1. Calculate the coefficient of performance of this refrigeration cycle.2. If the cycle is absorbing 1130 kJ/min at 270 K, how many kJ of work is required persecond ?3. If the Carnot heat pump operates between the same temperatures as the abovrefrigeration cycle, what is the coefficient of performance ?4. How many kJ/min will the heat pump deliver at 300 K if it absorbs 1130 kJ/min at 270 K

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Calculate the coefficient of performance of this refrigeration cycle. If the cycle is absorbing 1130 kJ/min at 270 K, how many kJ of work is required per second ?

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter44: Geothermal Heat Pumps

Section: Chapter Questions

Problem 13RQ: If 14 gpm of water is flowing through an open-loop heat pump with a temperature difference of 7F,...

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A Carnot refrigeration cycle absorbs heat at 270 K and rejects it at 300 K.
1. Calculate the coefficient of performance of this refrigeration cycle.
2. If the cycle is absorbing 1130 kJ/min at 270 K, how many kJ of work is required per
second ?
3. If the Carnot heat pump operates between the same temperatures as the abov
refrigeration cycle, what is the coefficient of performance ?
4. How many kJ/min will the heat pump deliver at 300 K if it absorbs 1130 kJ/min at 270 K

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A Carnot refrigeration cycle absorbs heat at 270 K and rejects it at 300 K. 1. Calculate the coefficient of performance of this refrigeration cycle. 2. If the cycle is absorbing 1130 kJ/min at 270 K, how many kJ of work is required per second ? 3. If the Carnot heat pump operates between the same temperatures as the abov refrigeration cycle, what is the coefficient of performance ? 4. How many kJ/min will the heat pump deliver at 300 K if it absorbs 1130 kJ/min at 270 K
A Carnot refrigeration cycle absorbs heat at 250 K and rejects it at 300 K Calculate- i) the coefficient of performance of this refrigeration cycle. ii) If the cycle is absorbing 1130 kJ/min at 270 K. how many kJ of work is required per second iii) If the Carnot heat pump operates between the same temperatures as the above refrigeration cycle, what is the coefficient of performance ?
A two stage refrigeration cycle is shown in fig. B. The working fluid is refrigerant 134a. The interchanger is a heat exchanger where the heat absorbed by the refrigerant in the higher-temperature cycle 2 serves to condense the refrigerant in the lower-temperature cycle 1. The refrigerant in cycle 1/2 leaves the interchanger as saturated liquid/vapor. The corresponding temperatures of saturation are 5.12 ℉ / 0 ℉. The saturation temperature in the evaporator is -40 ℉. The pressure in the condenser is 60 psia. The compressor in cycle 1 operates isentropically. The compressor in cycle 2 has an isentropic efficiency of 80%. (a) Sketch the cycle in a T-s diagram and determine the enthalpy at each point of the cycle. (b) Calculate the ratio of the mass flow rates of the refrigerant in the two cycles. (c) Calculate the coefficient of performance of this refrigeration cycle.
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9.