A heat pump is an electrical device that heats a building by pumping heat in from the cold outside. In other words, it's the same as a refrigerator, but its purpose is to warm the hot reservoir rather than to cool the cold reservoir (even though it does both). Let us define the following standard symbols, all taken to be positive by convention:Th = temperature inside buildingTe = temperature outsideQh heat pumped into building in 1 day Qe = heat taken from outdoors in 1 dayW = electrical energy used by heat pump in 1 day What relation among Qh, Qe) and W is implied by energy conservation alone? Will energy conservation permit the COP to be greater than I?
A heat pump is an electrical device that heats a building by pumping heat in from the cold outside. In other words, it's the same as a refrigerator, but its purpose is to warm the hot reservoir rather than to cool the cold reservoir (even though it does both). Let us define the following standard symbols, all taken to be positive by convention:Th = temperature inside buildingTe = temperature outsideQh heat pumped into building in 1 day Qe = heat taken from outdoors in 1 dayW = electrical energy used by heat pump in 1 day What relation among Qh, Qe) and W is implied by energy conservation alone? Will energy conservation permit the COP to be greater than I?
Introductory Chemistry: A Foundation
9th Edition
ISBN:9781337399425
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Donald J. DeCoste
Chapter10: Energy
Section: Chapter Questions
Problem 38QAP: In the “Chemistry in Focus” segment Firewalking: Magic or Science?, it is claimed that one reason...
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A heat pump is an electrical device that heats a building by pumping heat in from the cold outside. In other words, it's the same as a refrigerator, but its purpose is to warm the hot reservoir rather than to cool the cold reservoir (even though it does both). Let us define the following standard symbols, all taken to be positive by convention:
Th = temperature inside building
Te = temperature outside
Qh heat pumped into building in 1 day Qe = heat taken from outdoors in 1 day
W = electrical energy used by heat pump in 1 day
What relation among Qh, Qe) and W is implied by energy conservation alone? Will energy conservation permit the COP to be greater than I?
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