典型文献
Thermo-economic analysis of a direct supercritical CO2 electric power generation system using geothermal heat
文献摘要:
A comprehensive thermo-economic model combining a geothermal heat mining system and a direct supercritical CO2 turbine expansion electric power gen-eration system was proposed in this paper.Assisted by this integrated model,thermo-economic and optimization analyses for the key design parameters of the whole system including the geothermal well pattern and opera-tional conditions were performed to obtain a minimal levelized cost of electricity(LCOE).Specifically,in geothermal heat extraction simulation,an integrated well-bore-reservoir system model(T2Well/ECO2N)was used to generate a database for creating a fast,predictive,and compatible geothermal heat mining model by employing a response surface methodology.A parametric study was conducted to demonstrate the impact of turbine discharge pressure,injection and production well distance,CO2 injection flowrate,CO2 injection temperature,and mon-itored production well bottom pressure on LCOE,system thermal efficiency,and capital cost.It was found that for a 100 MWe power plant,a minimal LCOE of $0.177/kWh was achieved for a 20-year steady operation without considering CO2 sequestration credit.In addition,when CO2 sequestration credit is $1.00/t,an LCOE breakeven point compared to a conventional geothermal power plant is achieved and a breakpoint for generating electric power generation at no cost was achieved for a sequestration credit of $2.05/t.
文献关键词:
中图分类号:
作者姓名:
Xingchao WANG;Chunjian PAN;Carlos E.ROMERO;Zongliang QIAO;Arindam BANERJEE;Carlos RUBIO-MAYA;Lehua PAN
作者机构:
Department of Mechanical Engineering,Colorado School of Mines,Golden,CO 80401,USA;Energy Research Center,Lehigh University,Bethlehem,PA 18015,USA;Key Laboratory of Energy Thermal Conversion and Control of the Ministry of Education,Southeast University,Nanjing 210096,China;Department of Mechanical Engineering and Mechanics,Lehigh University,Bethlehem,PA 18015,USA;Mechanical Engineering,Universidad Michoacán de San Nicolas de Hidalgo,Morelia,Michoacán C.P.58030,Mexico;Energy Geosciences Division,Lawrence Berkeley National Laboratory,University of California,Berkeley,CA 94720,USA
文献出处:
引用格式:
[1]Xingchao WANG;Chunjian PAN;Carlos E.ROMERO;Zongliang QIAO;Arindam BANERJEE;Carlos RUBIO-MAYA;Lehua PAN-.Thermo-economic analysis of a direct supercritical CO2 electric power generation system using geothermal heat)[J].能源前沿,2022(02):246-262
A类:
T2Well,ECO2N,itored,breakeven
B类:
Thermo,economic,analysis,direct,supercritical,power,generation,system,using,geothermal,heat,comprehensive,thermo,model,combining,mining,turbine,expansion,was,proposed,this,paper,Assisted,by,integrated,optimization,analyses,key,design,parameters,whole,including,well,pattern,conditions,were,performed,obtain,minimal,levelized,cost,electricity,LCOE,Specifically,extraction,simulation,bore,reservoir,used,generate,database,creating,fast,predictive,compatible,employing,response,surface,methodology,parametric,study,conducted,demonstrate,impact,discharge,pressure,injection,production,distance,flowrate,temperature,bottom,efficiency,capital,It,found,that,MWe,plant,kWh,achieved,year,steady,operation,without,considering,sequestration,credit,In,addition,when,compared,conventional,breakpoint,generating
AB值:
0.498392
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