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 2RQ: An important factor (or factors) involving water quality with regard to open-loop heat pump systems...

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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 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
The values of a vapor compression refrigeration cycle were given below. Calculate the values ofrefrigerant flow rate, refrigeration capacity, and the COP of the system.T1= Evaporator water outlet = 10 °CT2= Evaporator water inlet = 16 °CT3= Condenser water inlet = 16 °CT4= Condenser water outlet = 22°CCooling water flow rate = 1.5 L/minHeating water flow rate = 1.5 L/minEnthalpy of R134a in evaporator outlet = 305 kj/kg,Enthalpy of R134a in evaporator inlet =115 kj/kgEnthalpy of R134a in condenser inlet =327 kj/kg
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4. The values of a vapor compression refrigeration cycle were given below. Calculate the values of refrigerant flow rate, refrigeration capacity, and the COP of the system. T1= Evaporator water outlet = 10 °C T2= Evaporator water inlet = 16 °C T3= Condenser water inlet = 16 °C T4= Condenser water outlet = 22°C Cooling water flow rate = 1.5 L/min Heating water flow rate = 1.5 L/min Enthalpy of R134a in evaporator outlet = 305 kj/kg, Enthalpy of R134a in evaporator inlet =115 kj/kg Enthalpy of R134a in condenser inlet =327 kj/kg
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