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Reliability analysis of urban gas transmission and distribution system based on FMEA and correlation

Su LI,Weiguo ZHOU

Frontiers in Energy 2014, Volume 8, Issue 4,   Pages 443-448 doi: 10.1007/s11708-014-0336-4

Abstract: In order to improve the safety management of urban gas transmission and distribution system, failuremode and effects analysis (FMEA) was used to construct the reliability analysis system of the pipelineUsing FMEA along with weight analysis and expert investigation approach, the FMEA evaluation table was

Keywords： gas transmission and distribution system     risk evaluation     reliability analysis     failure mode and effectsanalysis (FMEA)     correlation operator    

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Risk analysis methods of the water resources system under uncertainty

Zeying GUI,Chenglong ZHANG,Mo Li,Ping GUO

Frontiers of Agricultural Science and Engineering 2015, Volume 2, Issue 3,   Pages 205-215 doi: 10.15302/J-FASE-2015073

Abstract: The main characteristic of the water resources system (WRS) is its great complexity and uncertainty,which makes it highly desirable to carry out a risk analysis of the WRS.Then the quantitative characterization methods of risk analysis are introduced, including three criteriaA more comprehensive risk analysis methodology for the WRS is proposed based on the comparison of theThis paper provides a decision support of risk analysis for researchers, policy makers and stakeholders

Keywords： water resources system     evaluation criterion     optimization model     risk analysis method     uncertainty    

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Last Planner System and Scrum: Comparative analysis and suggestions for adjustments

Roshan POUDEL, Borja GARCIA de SOTO, Eder MARTINEZ

Frontiers of Engineering Management 2020, Volume 7, Issue 3,   Pages 359-372 doi: 10.1007/s42524-020-0117-1

Abstract: This study provides a critical review of the concepts of Agile, Lean, Scrum, and Last Planner SystemA comparative analysis is conducted between LPS and Scrum to expand LPS by considering Scrum’s best practicesEight dimensions, namely, 1) origins, 2) main purpose, 3) overall system/framework process, 4) tools(Agile) and LPS (Lean) and could be seen as a contribution toward the evolution of the Last Planner System

Keywords： Lean Construction     Last Planner System     Agile     Scrum     comparative analysis     AEC projects     project teams    

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Energy and economic analysis of a point-focus concentrating photovoltaic system when its installation

C. RENNO, A. PERONE

Frontiers in Energy 2021, Volume 15, Issue 2,   Pages 384-395 doi: 10.1007/s11708-020-0717-9

Abstract: The main aim of this paper is to analyze energy and economic performances of a point-focus CPV systemradiation incident on it is experimentally developed to evaluate the energy performance of the CPV systemdistribution of direct normal irradiance (DNI) and the environmental temperature for each locality, a CPV systemThe electric producibility of the CPV system, by varying its module number, is evaluated for different

Keywords： CPV system     point-focus     experimental model     energy and economic analysis    

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Substance flow analysis for an urban drainage system of a representative hypothetical city in China

Hua BAI, Siyu ZENG, Xin DONG, Jining CHEN

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 5,   Pages 746-755 doi: 10.1007/s11783-013-0551-y

Abstract: This paper discusses the use of substance flow analysis (SFA) as a tool to support quantified researchIt is estimated that the annual flux of water, COD, TN and TP through the urban drainage system in 2010decade, resulting in a more than threefold increase in the input of substances into the urban drainage system

Keywords： substance flow analysis (SFA)     urban drainage system     representative hypothetical city (RH city)     water    

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Simulation analysis of pressure regulation of hydraulic thrust system on a shield tunneling machine

Zhibin LIU, Haibo XIE, Huayong YANG

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 3,   Pages 377-382 doi: 10.1007/s11465-011-0226-y

Abstract:

Hydraulic thrust system is an important system in a shield tunneling machine.Pressure regulation of thrust cylinders is the most important function for thrust system during tunnelIn this paper, a hydraulic thrust system is explained, and a corresponding simulation model is carriedout in order to study the system characteristics.may have a greater effect on pressure regulation and oil supply flow rate should be adaptive to the system

Keywords： tunnel     hydraulic thrust system     pressure regulation     simulation    

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Optimization model analysis of centralized groundwater source heat pump system in heating season

Shilei LU,Yunfang QI,Zhe CAI,Yiran LI

Frontiers in Energy 2015, Volume 9, Issue 3,   Pages 343-361 doi: 10.1007/s11708-015-0372-8

Abstract: The ground-water heat-pump system (GWHP) provides a high efficient way for heating and cooling whileof scientific guidance for operating control strategy, the coefficient of performance (COP) of the systemFinally, a field test on a GWHP system in Beijing was conducted and the model was applied.The new system operation optimization idea for taking every part of the GWHP into account that put forward

Keywords： optimization model     groundwater source heat pump system     theoretical analysis     example verification     heating    

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Water pumping analysis and experimental validation of beach well infiltration intake system in a seawatersource heat pump system

Huan ZHANG,Shu LIU,Xuejing ZHENG,Gaofeng CHEN

Frontiers in Energy 2015, Volume 9, Issue 3,   Pages 335-342 doi: 10.1007/s11708-015-0365-7

Abstract: Based on energy conservation equation and Darcy’s law, a model of beach well infiltration intake systemapplied in a seawater source heat pump system was established.

Keywords： water pumping analysis     experimental validation     infiltration intake system     seawater source heat pump    

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Theory analysis and system identification methods on thermal dynamics characteristics of ballscrews

XIA Junyong, HU Youmin, WU Bo, SHI Tielin

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 4,   Pages 408-415 doi: 10.1007/s11465-008-0061-y

Abstract: Two methods for system identification (the least square system identification and BP artificial neuralnetwork (ANN) system identification) are put forward to establish a dynamic characteristic model ofThe model of thermal error of the axis in a feed system of DM4600 vertical miller is established withComparing the results of the two identification methods, the BP ANN system identification is more precisethan the least square system identification.

Keywords： square system     network     vertical miller     transfer     ANN    

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

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 supercriticalCO2 turbine expansion electric power generation system was proposed in this paper.integrated model, thermo-economic and optimization analyses for the key design parameters of the whole systemSpecifically, in geothermal heat extraction simulation, an integrated wellbore-reservoir system modelflowrate, CO2 injection temperature, and monitored production well bottom pressure on LCOE, system

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

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Dynamics analysis of bladder-urethra system based on CFD

Qinghua JIN, Xiaojun ZHANG, Xiaoyang LI, Jianliu WANG,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 3,   Pages 336-340 doi: 10.1007/s11465-010-0027-8

Abstract: A mathematical model for a bladder-urethra system can provide basic analysis for the disabled urethraon computational fluid dynamics (CFD), we developed a three-dimensional urodynamic bladder-urethra systemonly improve urinary incontinence surgery for clinicians, but can also provide a basis for theoretical analysis

Keywords： bladder-urethra system     stress urinary incontinence (SUI)     computational fluid dynamics (CFD)     urodynamics    

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Performance analysis of solar absorption-subcooled compression hybrid refrigeration system in subtropical

Xiangyang YE,Liming LIU,Zeyu LI

Frontiers in Energy 2019, Volume 13, Issue 1,   Pages 185-192 doi: 10.1007/s11708-017-0452-z

Abstract: Solar absorption-subcooled compression hybrid refrigeration system is a new type of efficient and economicalThe performance of the hybrid system is higher due to the improvement of evaporator temperature of absorptioncity in south China, a corresponding parametric model has been developed for the hybrid refrigeration system, and a program written by Fortran has been used to analyze the performance of the hybrid system underHowever, when the temperature of the absorption increases from 36°C to 48°C, the average COP of hybrid system

Keywords： solar     absorption-subcooled     compression hybrid     dynamic simulation     performance analysis    

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Game theoretic analysis of environmental impact assessment system in China

CHENG Hongguang, PU Xiao, GONG Li, QI Ye

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 4,   Pages 448-453 doi: 10.1007/s11783-007-0071-8

Abstract: Environmental impact assessment (EIA) system has been established in China since 1973.

Keywords： public     impact assessment     Environmental impact     general    

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Reliability analysis of the control system of large-scale vertical mixing equipment

YANG Mingjin, LI Xiwen, LI Shaoping, YANG Shuzi

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 2,   Pages 133-138 doi: 10.1007/s11465-008-0037-y

Abstract: The control system of vertical mixing equipment is a concentrate distributed monitoring system (CDMS)A reliability analysis model was built and its analysis was conducted based on reliability modeling theoriesAnalysis and operational results show that the control system can meet all technical requirements forThe reliability performance of the control system can be considerably improved by adopting a controlor improving the quality of each component and cable of the system.

Keywords： composite     redundancy     monitoring     vertical     technical    

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Experimental investigation and feasibility analysis of a thermophotovoltaic cogeneration system in high-temperature

Jianxiang WANG, Hong YE, Xi WU, Hujun WANG, Xiaojie XU

Frontiers in Energy 2013, Volume 7, Issue 2,   Pages 146-154 doi: 10.1007/s11708-013-0253-y

Abstract: The experimental - characteristics of a Si cell module in a thermophotovoltaic (TPV) system were investigatedtemperature increases from 1273 to 1573 K, leading to a suppressed increase of the output power of the system0.05 W/cm when the temperature of the SiC radiator is 1573 K, while the electrical efficiency of the systemThe system electrical efficiency could reach 3.1% with a Yb O radiator at 1573 K.The system cost and investment recovery period are 6732 EUR/kWel and 14 years, respectively.

Keywords： thermophotovoltaic (TPV)     industrial waste heat     ytterbium oxide     system efficiency    

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Title Author Date Type Operation

Reliability analysis of urban gas transmission and distribution system based on FMEA and correlation

Su LI,Weiguo ZHOU

Journal Article

Risk analysis methods of the water resources system under uncertainty

Zeying GUI,Chenglong ZHANG,Mo Li,Ping GUO

Journal Article

Last Planner System and Scrum: Comparative analysis and suggestions for adjustments

Roshan POUDEL, Borja GARCIA de SOTO, Eder MARTINEZ

Journal Article

Energy and economic analysis of a point-focus concentrating photovoltaic system when its installation

C. RENNO, A. PERONE

Journal Article

Substance flow analysis for an urban drainage system of a representative hypothetical city in China

Hua BAI, Siyu ZENG, Xin DONG, Jining CHEN

Journal Article

Simulation analysis of pressure regulation of hydraulic thrust system on a shield tunneling machine

Zhibin LIU, Haibo XIE, Huayong YANG

Journal Article

Optimization model analysis of centralized groundwater source heat pump system in heating season

Shilei LU,Yunfang QI,Zhe CAI,Yiran LI

Journal Article

Water pumping analysis and experimental validation of beach well infiltration intake system in a seawatersource heat pump system

Huan ZHANG,Shu LIU,Xuejing ZHENG,Gaofeng CHEN

Journal Article

Theory analysis and system identification methods on thermal dynamics characteristics of ballscrews

XIA Junyong, HU Youmin, WU Bo, SHI Tielin

Journal Article

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

Journal Article

Dynamics analysis of bladder-urethra system based on CFD

Qinghua JIN, Xiaojun ZHANG, Xiaoyang LI, Jianliu WANG,

Journal Article

Performance analysis of solar absorption-subcooled compression hybrid refrigeration system in subtropical

Xiangyang YE,Liming LIU,Zeyu LI

Journal Article

Game theoretic analysis of environmental impact assessment system in China

CHENG Hongguang, PU Xiao, GONG Li, QI Ye

Journal Article

Reliability analysis of the control system of large-scale vertical mixing equipment

YANG Mingjin, LI Xiwen, LI Shaoping, YANG Shuzi

Journal Article

Experimental investigation and feasibility analysis of a thermophotovoltaic cogeneration system in high-temperature

Jianxiang WANG, Hong YE, Xi WU, Hujun WANG, Xiaojie XU

Journal Article