NDLI: Research of undergroundwater temperature recovery characteristics on site after water-source heat pump heating

Content Provider	IEEE Xplore Digital Library
Author	Jun Pan Shixiao Li
Copyright Year	2011
Description	Author affiliation: Shenyang architecture university, Shenyang Liaoning China (Jun Pan; Shixiao Li)
Abstract	To study the underground water temperature restoration characteristics after the water-source heat pump engineering's heating, the underground water temperature restoration range and rate at the different depths and time of pump and rejection wells of 13 heat pump engineering areas of Shenyang urban area were monitored and analyzed. Results show that the shallow groundwater's temperature is affected by factors such as the climate and supplies of Hunhe River; below the ground surface, from 0 to 25m is the alternating temperature zone; from 25 to 35m is the constant temperature zone for its stable temperature. The temperature of the pump wells and rejection ones can gradually recovery to consistent after 20–60 days, the recovery ability increases with its depth raising. Additionally, under the force of the hydrodynamic field, the groundwater exchanges heat with the aquifer in the process of runoff, and in the runoff direction the underground water temperature changes regularly. In the practical water-source heat pump engineering, groundwater temperature recovery characteristics should be comprehensively mastered, and only by grasping the trend of the groundwater temperature field of the regional aquifer accurately can the heat pump efficiency be improved effectively.
Starting Page	3591
Ending Page	3595
File Size	316744
Page Count	5
File Format	PDF
ISBN	9781424481620
e-ISBN	9781424481651
DOI	10.1109/ICECENG.2011.6058133
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-09-16
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Temperature Shenyang urban area Heat pumps Heating by water-source heat pump Heat engines Water heating Land surface temperature Water temperature recovery characteristics Heat recovery Water resources Underground water
Content Type	Text
Resource Type	Article

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