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摘要:
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.
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篇名 Analysis on variation characteristics of geothermal response in Liaoning Province
来源期刊 地下水科学与工程:英文版 学科 工学
关键词 AVERAGE initial FORMATION TEMPERATURE AVERAGE THERMAL conductivity FORMATION TEMPERATURE recovery THERMAL response Liaoning Province
年,卷(期) dxskxygcywb_2017,(4) 所属期刊栏目
研究方向 页码范围 336-342
页数 7页 分类号 TV
字数 语种
DOI
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节点文献
AVERAGE
initial
FORMATION
TEMPERATURE
AVERAGE
THERMAL
conductivity
FORMATION
TEMPERATURE
recovery
THERMAL
response
Liaoning
Province
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研究来源
研究分支
研究去脉
引文网络交叉学科
相关学者/机构
期刊影响力
地下水科学与工程:英文版
季刊
2305-7068
河北省石家庄市中华北大街268号
出版文献量(篇)
277
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0
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