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Thermo-economic analysis of a direct supercritical CO electric power generation system using geothermalheat

Frontiers in Energy 2022, Volume 16, Issue 2,   Pages 246-262 doi: 10.1007/s11708-021-0749-9

Abstract: A comprehensive thermo-economic model combining a geothermal heat mining system and a direct supercriticalthermo-economic and optimization analyses for the key design parameters of the whole system including the geothermalSpecifically, in geothermal heat extraction simulation, an integrated wellbore-reservoir system model(T2Well/ECO2N) was used to generate a database for creating a fast, predictive, and compatible geothermalheat mining model by employing a response surface methodology.

Keywords： geothermal heat mining     supercritical CO2     power generation     thermo-economic analysis     optimization    

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A novel flow-resistor network model for characterizing enhanced geothermal system heat reservoir

Jian GUO, Wenjiong CAO, Yiwei WANG, Fangming JIANG

Frontiers in Energy 2019, Volume 13, Issue 1,   Pages 99-106 doi: 10.1007/s11708-018-0555-1

Abstract: The fracture characteristics of a heat reservoir are of critical importance to enhanced geothermal systemspresents the development of a novel flow-resistor network model to describe the hydraulic processes in heatreservoir are simplified by using flow resistors and the typically complicated fracture network of the heatFor heat reservoirs with various fracture configurations, the corresponding flow-resistor networks areBesides, it performs a case study dealing with the Soultz enhanced geothermal system (EGS).

Keywords： enhanced geothermal systems     flow-resistor network model     fracture characteristics     heat reservoir    

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Development Strategy for Co-mining of the Deep Mineral and Geothermal Resources

Cai Meifeng, Duo Ji, Chen Xiangsheng, Mao Jingwen, Tang Chun´an, Liu Zhiqiang, Ji Hongguang, Ren Fenhua, Guo Qifeng, Li Peng

Strategic Study of CAE 2021, Volume 23, Issue 6,   Pages 43-51 doi: 10.15302/J-SSCAE-2021.06.006

Abstract:

Co-mining of the deep mineral and geothermal resources is crucial forthe sustainable development of deep mining and provides a brand-new technical means for geothermal miningand utilization of geothermal resources worldwide, and summarize the basic research progress of theco-mining in China.and geothermal industries in China.

Keywords： deep mineral resources     geothermal resources     co-mining     high-temperature strata     geothermal energy exchange    

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A numerical study of non-Darcy flow in EGS heat reservoirs during heat extraction

Wenjiong CAO, Wenbo HUANG, Guoling WEI, Yunlong JIN, Fangming JIANG

Frontiers in Energy 2019, Volume 13, Issue 3,   Pages 439-449 doi: 10.1007/s11708-019-0612-4

Abstract: It is deduced by analogy that the fluid flow in enhanced geothermal system (EGS) heat reservoirs maypaper, a transient 3D model was presented, taking into consideration the non-Darcy fluid flow in EGS heatreservoirs, to simulate the EGS long-term heat extraction process.It is found that non-Darcy effects decrease the mass flow rate of the fluid injected and reduce the heatThe non-Darcy flow in SCCO - EGSs may thus greatly reduce their heat extraction performance.

Keywords： enhanced geothermal system     non-Darcy flow     heat extraction     Reynolds number     Forchheimer number    

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The Basic Characteristics of the Yangbajing Geothermal Field-A Typical High Temperature Geothermal System

Duo Ji

Strategic Study of CAE 2003, Volume 5, Issue 1,   Pages 42-47

Abstract:

The Yangbajing Geothermal Field is one of non-volcanic high-temperature geothermal fields.

Keywords： high temperature geothermal     thermal reservoirs     genesis     Yangbajing     Tibet    

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Strategic analysis of China’s geothermal energy industry

Hao GONG, Baicun WANG, Haijun LIANG, Zuoxian LUO, Yaofeng CAO

Frontiers of Engineering Management 2021, Volume 8, Issue 3,   Pages 390-401 doi: 10.1007/s42524-020-0106-4

Abstract: China is an early user of geothermal energy, and its direct use ranks first in the world.Recent national strategies and policies have enabled China’s geothermal energy industry to enter a newThis paper investigates the strengths, weaknesses, opportunities, and threats (SWOT) to China’s geothermalthe resources, market, and technological foundation exist for the large-scale development of China’s geothermalfuture development strategies have been proposed to provide technical support and policy tools for geothermal

Keywords： geothermal energy     strategic analysis     SWOT–PEST     policy     administration    

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Large-scale geo-energy development: Sustainability impacts

Li JIANG,Liandong ZHU,Erkki HILTUNEN

Frontiers in Energy 2019, Volume 13, Issue 4,   Pages 757-763 doi: 10.1007/s11708-017-0455-9

Abstract: Geothermal energy is a renewable and alternative energy with the potential to replace fossil fuels andHowever, the development of geothermal energy has environmental, economic and social-cultural consequencesFrom a sustainability point of view, in the present study, a comprehensive analysis of consequences of geothermalThe geothermal energy industry will prosper only if sustainable aspects can be integrally considered.

Keywords： geothermal energy     sustainability     impact     development    

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Frontiers in Personless Mining and Avenues of Their Advancement in China

Li Zhongxue,Li Cuiping,Liu Shuangyue

Strategic Study of CAE 2007, Volume 9, Issue 11,   Pages 16-20

Abstract: depth and other adverse conditions confronted by the mining industries,  increase the efficiencyof extracting mineral resources,  and safeguard the safety and health of mining workers.to enhance technology innovations in personless mining and provide the mining industries with a freshperspective to personless mining.,  and proposes some avenues of advancing technology innovations in automated mining in China.

Keywords： hard-rock mining     automated mining     personless mining     personless mine    

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Absorption heat pump for waste heat reuse: current states and future development

Zhenyuan XU, Ruzhu WANG

Frontiers in Energy 2017, Volume 11, Issue 4,   Pages 414-436 doi: 10.1007/s11708-017-0507-1

Abstract: In this paper, three important aspects for absorption heat pump for waste heat reuse are reviewed.In the first part, different absorption heat pump cycles are classified and introduced.Absorption heat pumps for heat amplification and absorption heat transformer for temperature upgradingIn the third part, the applications of the absorption heat pump and absorption heat transformer for wasteheat reuse in different industries are introduced.

Keywords： absorption     heat pump     heat transformer     waste heat     working pair    

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The Research of Mining the Mutative Knowledge With Extension Data Mining

Chen Wenwei

Strategic Study of CAE 2006, Volume 8, Issue 11,   Pages 70-73

Abstract: extended the mutative information and knowledge, and nailed down the conceptions of extension data miningThis thesis also attested two theorems of the extension data mining and the formula of the extensionThe author put forward the extension data mining which extended from mining the static knowledge to miningSo it exploited a new aspect of data mining, and illuminated it by examples.

Keywords： extension information     extension knowledge     extension data mining     extension reasoning    

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Recent Science and Technology Frontier for Exploitation of Underground Metal Resources

Yu Runcang

Strategic Study of CAE 2002, Volume 4, Issue 9,   Pages 8-11

Abstract:

With the development of rockmechanics, extensive application of computer in mining area and promotionby intersection of multi-course, mining starts entering the science field, being regarded as skill alwaysand technology at the frontier for exploitation of underground metal resources： digital control of miningenvironment, wasteless mining, ocean mining and coping with threat of rockburst in deep mining, thatare of great importance to the development of mining course.

Keywords： mining     metal resource     digital control of mining environment     wasteless mining    

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Technology Development and Engineering Practice for Protection and Utilization of Water Resources in Coal Mining

Da-zhao Gu

Frontiers of Engineering Management 2016, Volume 3, Issue 1,   Pages 59-66 doi: 10.15302/J-FEM-2016010

Abstract: as “the Western Area”) are major coal-producing areas in China due to rich coal resources and good miningThe surface evaporation is huge and a great amount of mine water generated in coal mining is evaporatedIn order to protect and utilize the water resources during large-scale coal mining in the Western AreaThe technology is also extended to other western mining areas, providing an effective path for harmonicmining of coal and water resources in western China.

Keywords： Western Mining Area     coal mining     water resources     coal mine underground reservoirs    

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Driving Factors of Green Mining in Coal Mining Enterprises in China

Lin-xiu Wang,Mu-xi Yu,Si-jia Wang

Frontiers of Engineering Management 2015, Volume 2, Issue 3,   Pages 211-223 doi: 10.15302/J-FEM-2015043

Abstract: This study constructs a Green Mining model based on identification and analysis of the four key drivingfactors of Green Mining in coal mining enterprises in China.The result shows that four key factors affect the intended implementation of Green Mining by improvingThe diffusion of Green Mining technology has direct positive influence on the intended Green Mining implementationFour Green Mining incentive policies are raised to regulate and motivate the coal mining enterprises

Keywords： Green Mining     driving factor     Structural Equation Model     empirical study    

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Energy and Mining Engineering Front 2019

Energy and Mining Engineering  Project Team

Engineering Fronts 2019, Volume 3, Issue 1,   Pages 73-102

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Energy and Mining Engineering Front 2022

Energy and Mining Engineering Project Team

Engineering Fronts 2022, Volume 6, Issue 1,   Pages 92-123

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Title Author Date Type Operation

Thermo-economic analysis of a direct supercritical CO electric power generation system using geothermalheat

Journal Article

A novel flow-resistor network model for characterizing enhanced geothermal system heat reservoir

Jian GUO, Wenjiong CAO, Yiwei WANG, Fangming JIANG

Journal Article

Development Strategy for Co-mining of the Deep Mineral and Geothermal Resources

Cai Meifeng, Duo Ji, Chen Xiangsheng, Mao Jingwen, Tang Chun´an, Liu Zhiqiang, Ji Hongguang, Ren Fenhua, Guo Qifeng, Li Peng

Journal Article

A numerical study of non-Darcy flow in EGS heat reservoirs during heat extraction

Wenjiong CAO, Wenbo HUANG, Guoling WEI, Yunlong JIN, Fangming JIANG

Journal Article

The Basic Characteristics of the Yangbajing Geothermal Field-A Typical High Temperature Geothermal System

Duo Ji

Journal Article

Strategic analysis of China’s geothermal energy industry

Hao GONG, Baicun WANG, Haijun LIANG, Zuoxian LUO, Yaofeng CAO

Journal Article

Large-scale geo-energy development: Sustainability impacts

Li JIANG,Liandong ZHU,Erkki HILTUNEN

Journal Article

Frontiers in Personless Mining and Avenues of Their Advancement in China

Li Zhongxue,Li Cuiping,Liu Shuangyue

Journal Article

Absorption heat pump for waste heat reuse: current states and future development

Zhenyuan XU, Ruzhu WANG

Journal Article

The Research of Mining the Mutative Knowledge With Extension Data Mining

Chen Wenwei

Journal Article

Recent Science and Technology Frontier for Exploitation of Underground Metal Resources

Yu Runcang

Journal Article

Technology Development and Engineering Practice for Protection and Utilization of Water Resources in Coal Mining

Da-zhao Gu

Journal Article

Driving Factors of Green Mining in Coal Mining Enterprises in China

Lin-xiu Wang,Mu-xi Yu,Si-jia Wang

Journal Article

Energy and Mining Engineering Front 2019

Energy and Mining Engineering  Project Team

Journal Article

Energy and Mining Engineering Front 2022

Energy and Mining Engineering Project Team

Journal Article