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Effects of thermocline on performance of underwater glider’s power system propelled by ocean thermal

Hai YANG, Jie MA,

Frontiers in Energy 2009, Volume 3, Issue 4,   Pages 472-479 doi: 10.1007/s11708-009-0052-7

Abstract: thermocline at different seasons and locations affect the working processes of the glider’s power systemBased on the enthalpy method, a mathematical model of the underwater glider’s power system waswas introduced, so that the effects of different thermoclines on the underwater glider’s power systemThere exist the threshold values of the thermocline’s depth and upper thickness for the power systemTo keep the power system working efficiently, a glider must be kept in warm surface water for a certain

Keywords: mathematical     underwater glider     system working     certain     corresponding threshold    

Manufacturing system modeling and performance evaluation based on improved stochastic statechart

ZHANG Guojun, HE Jiabing, ZHU Haiping, CHEN Xuan

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 4,   Pages 453-458 doi: 10.1007/s11465-007-0078-7

Abstract: can streamline the modeling process, a stochastic statechart is improved by using the abstract sub-systemand general system chart to express the comparability and integrity of a stochastic statechart respectivelycan be obtained by using a continuous-time Markov chain, which is transformed from a manufacturing systemcase study shows that the improved stochastic statechart can effectively simplify the modeling and performanceevaluation process and the results are useful to the configuration and optimization of a manufacturing system

Keywords: performance evaluation     different     configuration     improved     continuous-time    

Discrete-event stochastic systems with correlated inputs: Modeling and performance evaluation

Frontiers of Engineering Management 2022, Volume 9, Issue 2,   Pages 214-220 doi: 10.1007/s42524-022-0192-6

Abstract: Furthermore, the performance measures of the systems with correlated inputs can be significantly different

Keywords: discrete-event stochastic system     correlated input     performance evaluation    

Evaluation of the performance of a centralized ground-water heat pump system in cold climate region

Shilei LU,Zhe CAI,Li ZHANG,Yiran LI

Frontiers in Energy 2014, Volume 8, Issue 3,   Pages 394-402 doi: 10.1007/s11708-014-0310-1

Abstract: The aim of this study is to evaluate the performance of a centralized open-loop ground-water heat pump(GWHP) system for climate conditioning in Beijing with a cold climate in China.Thus, a long-time test was conducted on a running GWHP system for the heating season from December 2011The analysis of the testing data indicates that the average heat-pump coefficient of performance (COP) and the COP of the system (COPs) are 4.27 and 2.59.

Keywords: ground-water heat pump (GWHP)     actual coefficient of performance     heat transfixion    

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 absorptionBut simultaneously, the variation of working process as well as performance is complicated since thecity 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 under

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

Micromixing performance of the teethed high shear mixer under semi-batch operation

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 4,   Pages 546-559 doi: 10.1007/s11705-021-2069-3

Abstract: structural and operating parameters of the teethed high shear mixers were adjusted to study the micromixing performancein the semi-batch operated system, using the Villermaux/Dushman reaction system.

Keywords: high shear mixer     semi-batch operation     micromixing performance     Villermaux/Dushman system     segregation    

Research on performance evaluation system of the western traffic science and technology project and preliminarysystem design

Zhao Jiehua,Kang Hourong

Strategic Study of CAE 2008, Volume 10, Issue 12,   Pages 73-78

Abstract: Based on the determination of the performance evaluation implementation flow of the traffic science and

Keywords: the western traffic science and technology project     performance evaluation     post-evaluation index system    

The Performance-based Design of the Smoke Evacuation and Ventilation System in an Olympic Gymnasium

Fu Qiang,Zhang Heping,Zhu Wuba,Xie Qiyuan

Strategic Study of CAE 2007, Volume 9, Issue 12,   Pages 21-25

Abstract: formula from NFPA92B,  and makes an optimization design of the smoke evacuation and ventilation systemnatural ventilation as well as the influence of the mechanical ventilation volume on the smoke evacuation systemprovides the theoretical basis for the optimization design of the smoke evacuation and ventilation system

Keywords: gymnasium     smoke evacuation system     ventilation system     performance-based    

Optimization and performance prediction of a new near-zero emission coal utilization system with combined

GUAN Jian, WANG Qinhui, LI Xiaomin, LUO Zhongyang, CEN Kefa

Frontiers in Energy 2007, Volume 1, Issue 1,   Pages 113-119 doi: 10.1007/s11708-007-0013-y

Abstract: In accordance with the new near-zero emission coal utilization system with combined gasification andTo enhance the system efficiency, the system pressure and the gasifier carbon conversion ratio were optimizedAfter taking into consideration the influence of the pressure and carbon conversion ratio on the performanceof the system, the gasifier and the combustor were synthetically studied.The system efficiency could reach around 62.1% when operated in these two optimum parameters.

Keywords: influence     efficiency calculation     optimum     software FactSage     transport    

A reliable and practical reference objective for the deviation diagnosis of energy system parameters

Liping LI, Zheng LI,

Frontiers in Energy 2009, Volume 3, Issue 4,   Pages 440-445 doi: 10.1007/s11708-009-0051-8

Abstract: The core objective to optimize a complex energy system is to set the reference target to guide the parameteradjustment of system operation.In this paper, a new case-based approach is proposed based on an online performance assessment programThe online model of a coal-fired power unit’s performance assessment is demonstrated, and the distributionpattern of the performance index is revealed by statistical analysis of the abundant data.

Keywords: energy system     case-based     optimization     power unit operation     performance    

and permeability reducing admixtures having different action mechanisms on mechanical and durability performance

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 5,   Pages 1277-1291 doi: 10.1007/s11709-021-1752-2

Abstract: PRA-B, with both insoluble residues and a small amount of air-entraining properties, showed the best performance

Keywords: cementitious system     mineral additive     permeability reducing admixture     mechanical properties     durabilityperformance    

Influence of aeration intensity on the performance of A/O-type sequencing batch MBR system treating azo

Xinhua WANG, Jingmei LI, Xiufen LI, Guocheng DU

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 4,   Pages 615-622 doi: 10.1007/s11783-011-0362-y

Abstract: Among the numerous parameters affecting the membrane bioreactor (MBR) performance, the aeration intensityIn the present investigation, an anoxic/aerobic-type (A/O-type) sequencing batch MBR system, added anoxic

Keywords: batch membrane bioreactor     azo dye     aeration intensity     extracellular polymeric substances     sludge properties    

Sustainability performance analysis of environment innovation systems using a two-stage network DEA model

Frontiers of Engineering Management   Pages 425-438 doi: 10.1007/s42524-022-0205-5

Abstract: The term environmental innovation system refers to an innovation network composed of enterprises, universitiesAn environmental innovation system not only exerts important impact on the achievement of carbon neutralityInvestigations on environmental innovation system performance constantly assume a single-stage independentsystem while ignoring its internal structure.model is developed in this study to analyze the efficiency of Chinese regional environmental innovation system

Keywords: data envelopment analysis     environmental efficiency     environmental innovation system     shared resources    

Recent advances in system reliability optimization driven by importance measures

Shubin SI, Jiangbin ZHAO, Zhiqiang CAI, Hongyan DUI

Frontiers of Engineering Management 2020, Volume 7, Issue 3,   Pages 335-358 doi: 10.1007/s42524-020-0112-6

Abstract: System reliability optimization problems have been widely discussed to maximize system reliability withBirnbaum importance is a well-known method for evaluating the effect of component reliability on systemRecently, these IMs have been applied in allocating limited resources to the component to maximize systemperformance.Finally, some challenges in system reliability optimization that need to be solved in the future are

Keywords: importance measure     system performance     reliability optimization     optimization rules     optimization algorithms    

Viability of a concentrated solar power system in a low sun belt prefecture

Rahul BHATTACHARJEE, Subhadeep BHATTACHARJEE

Frontiers in Energy 2020, Volume 14, Issue 4,   Pages 850-866 doi: 10.1007/s11708-020-0664-5

Abstract: This paper examines the viability of the adoption of the CSP system in a low sun belt region with a lowerThe obtained results out of the designed system, subjected to low DNI are not found below par, but comparableto some extent with the performance results of such CSP plants at a higher DNI.

Keywords: concentrated solar power     direct normal irradiance     plant performance     plant economics     thermal energy storage    

Title Author Date Type Operation

Effects of thermocline on performance of underwater glider’s power system propelled by ocean thermal

Hai YANG, Jie MA,

Journal Article

Manufacturing system modeling and performance evaluation based on improved stochastic statechart

ZHANG Guojun, HE Jiabing, ZHU Haiping, CHEN Xuan

Journal Article

Discrete-event stochastic systems with correlated inputs: Modeling and performance evaluation

Journal Article

Evaluation of the performance of a centralized ground-water heat pump system in cold climate region

Shilei LU,Zhe CAI,Li ZHANG,Yiran LI

Journal Article

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

Xiangyang YE,Liming LIU,Zeyu LI

Journal Article

Micromixing performance of the teethed high shear mixer under semi-batch operation

Journal Article

Research on performance evaluation system of the western traffic science and technology project and preliminarysystem design

Zhao Jiehua,Kang Hourong

Journal Article

The Performance-based Design of the Smoke Evacuation and Ventilation System in an Olympic Gymnasium

Fu Qiang,Zhang Heping,Zhu Wuba,Xie Qiyuan

Journal Article

Optimization and performance prediction of a new near-zero emission coal utilization system with combined

GUAN Jian, WANG Qinhui, LI Xiaomin, LUO Zhongyang, CEN Kefa

Journal Article

A reliable and practical reference objective for the deviation diagnosis of energy system parameters

Liping LI, Zheng LI,

Journal Article

and permeability reducing admixtures having different action mechanisms on mechanical and durability performance

Journal Article

Influence of aeration intensity on the performance of A/O-type sequencing batch MBR system treating azo

Xinhua WANG, Jingmei LI, Xiufen LI, Guocheng DU

Journal Article

Sustainability performance analysis of environment innovation systems using a two-stage network DEA model

Journal Article

Recent advances in system reliability optimization driven by importance measures

Shubin SI, Jiangbin ZHAO, Zhiqiang CAI, Hongyan DUI

Journal Article

Viability of a concentrated solar power system in a low sun belt prefecture

Rahul BHATTACHARJEE, Subhadeep BHATTACHARJEE

Journal Article