A 10 metric tons ice plant using ammonia refrigerant operates between evaporator and condenser temperature of -20°C and 35°C, respectively. The ice plant is to produce ice at -12°C from water at 30°C in 24 hrs. Assuming losses to be 18% of the heat absorbed from water, determine the: a.) Total amount of heat needed to absorbed by the evaporator in kW b.) Power required by the compressor in kW
A 10 metric tons ice plant using ammonia refrigerant operates between evaporator and condenser temperature of -20°C and 35°C, respectively. The ice plant is to produce ice at -12°C from water at 30°C in 24 hrs. Assuming losses to be 18% of the heat absorbed from water, determine the: a.) Total amount of heat needed to absorbed by the evaporator in kW b.) Power required by the compressor in kW
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 10 metric tons ice plant using ammonia refrigerant operates between evaporator and condenser temperature of -20°C and 35°C, respectively. The ice plant is to produce ice at -12°C from water at 30°C in 24 hrs. Assuming losses to be 18% of the heat absorbed from water, determine the:
a.) Total amount of heat needed to absorbed by the evaporator in kW
b.) Power required by the compressor in kW
Transcribed Image Text:h₂
Note: Properties of ammonia:
kJ
1736 h3 =h₂
kg
=
9
=
h₁
366
=
kJ
kg
1437
kJ
kg
9
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