Analysis on variation characteristics of geothermal response in Liaoning Province

ZHU Wei; TANG Wen; LIU Qiang; ZHANG Mei-gui

Volume 5 Issue 4

Dec. 2017

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Article Navigation > Journal of Groundwater Science and Engineering > 2017 > 5(4): 336-342

ZHU Wei, TANG Wen, LIU Qiang, et al. 2017: Analysis on variation characteristics of geothermal response in Liaoning Province. Journal of Groundwater Science and Engineering, 5(4): 336-342.

Citation:

ZHU Wei, TANG Wen, LIU Qiang, et al. 2017: Analysis on variation characteristics of geothermal response in Liaoning Province. Journal of Groundwater Science and Engineering, 5(4): 336-342.

ZHU Wei, TANG Wen, LIU Qiang, et al. 2017: Analysis on variation characteristics of geothermal response in Liaoning Province. Journal of Groundwater Science and Engineering, 5(4): 336-342.

Citation:

ZHU Wei, TANG Wen, LIU Qiang, et al. 2017: Analysis on variation characteristics of geothermal response in Liaoning Province. Journal of Groundwater Science and Engineering, 5(4): 336-342.

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Analysis on variation characteristics of geothermal response in Liaoning Province

1Shenyang geological survey center of Geological Survey of China, Shenyang 110034, China.2Liaoning Geo-environmental Monitoring Station, Shenyang 110034, China.

Publish Date: 2017-12-28

Abstract

Abstract

Due to energy shortage and increasing environmental awareness, resources in shallow underground space have been rapidly exploited and utilized. So that studying variation characteristics of geothermal response in gneiss is necessary for effective and rational use of underground heat. Based on field test of thermal response in gneiss under hydrogeological survey project carried out in shallow geothermal energy development zone in Liaoning Province, this thesis analyzes mathematical statistics of geothermal response characteristics in main gneiss of Laoning Province. The initial formation temperature ranges from 10.80 ℃ to 15.80 ℃ according to field test. The statistical results show that in the condition of natural water content, the average thermal conductivity of Quaternary loose rocks comes as clay< silty< silty fine sand< medium sand< coarse sand< gravelly sand. This order is consistent with thermal conductivity characteristics of gneiss obtained in the laboratory. Formation temperature recovery in different strata follows as granite> medium sand> clay. This order is opposite to the absolute value of temperature recovery curve slope of corresponding lithology, which shows that the stratum with higher temperature recovery rate has lower temperature recovery curve slope.
- Average initial formation temperature,
- Average thermal conductivity,
- Formation temperature recovery,
- Thermal response,
- Liaoning Province

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References(10)

References

LV Peng, SUN You-hong, et al. 2012. In-situ thermal response test methods and experiment for design of ground source heat pump system. Journal of Jilin University (Earth Science Edition), 42 (S1): 362-366.

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