A device, including a heat engine and a heat pump, will be designed to deliver energy to a Heat Source as shown in Fig.Q3. It takes waste energy at 75°C as a source Qw1 to the heat engine rejecting heat at 30°C. The remainder Qw2 goes into the heat pump that delivers a QH at 235°C. If the total waste energy is 3 MW find the rate of energy delivered at the high temperature, QH.
A device, including a heat engine and a heat pump, will be designed to deliver energy to a Heat Source as shown in Fig.Q3. It takes waste energy at 75°C as a source Qw1 to the heat engine rejecting heat at 30°C. The remainder Qw2 goes into the heat pump that delivers a QH at 235°C. If the total waste energy is 3 MW find the rate of energy delivered at the high temperature, QH.
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 12RQ: The function of the pressure tank in an open-loop, geo-thermal heat pump well system is to prevent...
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Question
A device, including a heat engine and a heat
pump, will be designed to deliver energy to a Heat Source as
shown in Fig.Q3. It takes waste energy at 75°C as a source
Qw1 to the heat engine rejecting heat at 30°C. The remainder
Qw2 goes into the heat pump that delivers a QH at 235°C. If
the total waste energy is 3 MW find the rate of energy
delivered at the high temperature, QH.
Transcribed Image Text:Waste
source
Heat Source
235 C
QH
(НЕ)
(HP)
QL
Qw2
Ambient
30 с
Waste
source
Fig. Q3. Heat engine
driving a heat pump
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