The Influence of Different Inflow Water Rate and Temperature on Heat Exchange Performance of Underground Heat Pump

In the paper, the influence of different inflow water rate and temperature on heat exchange performance of underground heat pump were discussed by experiment, two vital parameters was defined to measure the properties of ground heat exchanger: Energy Efficiency Coefficient and Heat Exchange Utility...

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Published in2011 International Conference on Information Management, Innovation Management and Industrial Engineering Vol. 2; pp. 530 - 533
Main Authors Zheng Min, Li Bai-yi
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.11.2011
Subjects
Electron tubes
Energy efficiency
heat pump
Heat pumps
Heat transfer
influential factors
Land surface temperature
parameters
Temperature measurement
underground tube
Water heating
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Abstract In the paper, the influence of different inflow water rate and temperature on heat exchange performance of underground heat pump were discussed by experiment, two vital parameters was defined to measure the properties of ground heat exchanger: Energy Efficiency Coefficient and Heat Exchange Utility Time. The experimental results showed that whether in the winter or summer working condition, and the change of water temperature of buried tube inlet could not affect the trend of Energy Efficiency Coefficient changing with time, and reducing water velocity will help to enhance energy efficiency of buried tube, and improve the host operating efficiency.
AbstractList In the paper, the influence of different inflow water rate and temperature on heat exchange performance of underground heat pump were discussed by experiment, two vital parameters was defined to measure the properties of ground heat exchanger: Energy Efficiency Coefficient and Heat Exchange Utility Time. The experimental results showed that whether in the winter or summer working condition, and the change of water temperature of buried tube inlet could not affect the trend of Energy Efficiency Coefficient changing with time, and reducing water velocity will help to enhance energy efficiency of buried tube, and improve the host operating efficiency.
Author Zheng Min
Li Bai-yi
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  surname: Li Bai-yi
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  organization: Fac. of Archit., Southwest Jiaotong Univ., Chengdu, China
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Snippet In the paper, the influence of different inflow water rate and temperature on heat exchange performance of underground heat pump were discussed by experiment,...
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StartPage 530
SubjectTerms Electron tubes
Energy efficiency
heat pump
Heat pumps
Heat transfer
influential factors
Land surface temperature
parameters
Temperature measurement
underground tube
Water heating
Title The Influence of Different Inflow Water Rate and Temperature on Heat Exchange Performance of Underground Heat Pump
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