refrigeration system absorbs heat from a space at 5 ◦C at a rate of 25 kW and rejects heat to water in the condenser. Water enters the condenser at 15 ◦C at a rate of 0.84 kg/s. The COP of the system is estimated to be 1.75. Determine (a) the power input to the system, (b) the temperature of the water at the exit of the condenser, and (c) the maximum possible COP of the system. The specific heat of water is 4.18 kJ/kg·◦C.
refrigeration system absorbs heat from a space at 5 ◦C at a rate of 25 kW and rejects heat to water in the condenser. Water enters the condenser at 15 ◦C at a rate of 0.84 kg/s. The COP of the system is estimated to be 1.75. Determine (a) the power input to the system, (b) the temperature of the water at the exit of the condenser, and (c) the maximum possible COP of the system. The specific heat of water is 4.18 kJ/kg·◦C.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A refrigeration system absorbs heat from a space at 5 ◦C at a rate of 25 kW and rejects heat
to water in the condenser. Water enters the condenser at 15 ◦C at a rate of 0.84 kg/s. The
COP of the system is estimated to be 1.75. Determine (a) the power input to the system,
(b) the temperature of the water at the exit of the condenser, and (c) the maximum possible
COP of the system. The specific heat of water is 4.18 kJ/kg·◦C.
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