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A three-dimensional transient model for EGS subsurface thermo-hydraulic process
Jiang, Fangming; Chen, Jiliang; Huang, Wenbo; Luo, Liang
2014-08-01
发表期刊ENERGY
卷号72页码:300-310
摘要Understanding the subsurface thermo-hydraulic process in enhanced or engineered geothermal systems (EGS) is crucial to the efficiency of heat extraction and the sustainable utilization of geothermal reservoir. We present in detail a three-dimensional transient model for the study of subsurface thermo-hydraulic process during EGS heat extraction and demonstrate its capability through test simulations. Since this model considers the actual existence of local thermal non-equilibrium between rock matrix and fluid flowing in the porous heat reservoir during EGS heat extraction, the model results shed light on the local heat exchange in the reservoir. One other salient feature of this model is its capability of simulating the complete subsurface thermo-hydraulic process during EGS heat extraction, not only the thermo-flow in the reservoir and well boreholes, but also the heat conduction or transport in rocks enclosing the reservoir. The results obtained from the test simulations, though the considered reservoir is imaginary and homogeneously fractured, corroborate the capability and validity of the present model. Moreover, the model results from the specially designed triplet well EGS case indicate its superior heat extraction performance. (C) 2014 Elsevier Ltd. All rights reserved.
文章类型Article
关键词Hot Dry Rock Technology Enhanced Or Engineered Geothermal Systems Local Thermal Non-equilibrium Numerical Model Porous Heat Reservoir
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1016/j.energy.2014.05.038
研究领域[WOS]Thermodynamics ; Energy & Fuels
关键词[WOS]ENHANCED GEOTHERMAL SYSTEMS ; HOT DRY ROCK ; NUMERICAL-SIMULATION ; FORCED-CONVECTION ; HEAT EXTRACTION ; POROUS-MEDIA ; FLUID ; RESERVOIRS
收录类别SCI
语种英语
WOS类目Thermodynamics ; Energy & Fuels
WOS记录号WOS:000340321100028
引用统计
被引频次:31[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/10747
专题中国科学院广州能源研究所
作者单位Chinese Acad Sci, Guangzhou Inst Energy Convers, CAS Key Lab Renewable Energy, Lab Adv Energy Syst, Guangzhou 510640, Guangdong, Peoples R China
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Jiang, Fangming,Chen, Jiliang,Huang, Wenbo,et al. A three-dimensional transient model for EGS subsurface thermo-hydraulic process[J]. ENERGY,2014,72:300-310.
APA Jiang, Fangming,Chen, Jiliang,Huang, Wenbo,&Luo, Liang.(2014).A three-dimensional transient model for EGS subsurface thermo-hydraulic process.ENERGY,72,300-310.
MLA Jiang, Fangming,et al."A three-dimensional transient model for EGS subsurface thermo-hydraulic process".ENERGY 72(2014):300-310.
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