A heat pump shown is driven by 2.5 MW motor and receives heat from a source at 80 c° and deliver energy to a boiler that operates at constant pressure and saturation temperature of 130 c. The water enters the boiler as saturated liquid and leaves as saturated vapor at the same temperature. The heat pump operates with a COP (coefficient of performance) that is 70% of a Carnot heat pump COP. Find: 1- the maximum mass flow rate of water the system can deliver 2- the heat received from the cold source Q boiler mwater TH VHP - w 2.5 MW TL=80°C
A heat pump shown is driven by 2.5 MW motor and receives heat from a source at 80 c° and deliver energy to a boiler that operates at constant pressure and saturation temperature of 130 c. The water enters the boiler as saturated liquid and leaves as saturated vapor at the same temperature. The heat pump operates with a COP (coefficient of performance) that is 70% of a Carnot heat pump COP. Find: 1- the maximum mass flow rate of water the system can deliver 2- the heat received from the cold source Q boiler mwater TH VHP - w 2.5 MW TL=80°C
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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Question
Transcribed Image Text:A heat pump shown is driven by 2.5 MW motor and receives heat from a source at 80 C and
deliver energy to a boiler that operates at constant pressure and saturation temperature of 130
c°. The water enters the boiler as saturated liquid and leaves as saturated vapor at the same
temperature. The heat pump operates with a COP (coefficient of performance) that is 70% of a
Carnot heat pump COP.
Find: 1- the maximum mass flow rate of water the system can deliver
2- the heat received from the cold source Q
boiler
mwater
+Www
TH
VHP - w
2.5 MW
TL=80°C
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