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Experiment and surge analysis of centrifugal two-stage turbocharging system

HE Yituan, MA Chaochen

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 4,   Pages 365-368 doi: 10.1007/s11465-008-0073-7

Abstract: rotation speed of a high pressure (HP) stage compressor can be converted into corrected parameters under a standardcondition according to the Mach number similarity criterion, because the air flow in a HP stage compressor

Keywords： auto-modeling     compressor     Reynolds number     characteristic     standard condition    

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Research on the ecological compensation standard of the basin pollution control project based on evolutionary

Dongbin HU, Huiwu LIU, Xiaohong CHEN, Yang CHEN

Frontiers of Engineering Management 2019, Volume 6, Issue 4,   Pages 575-583 doi: 10.1007/s42524-019-0044-1

Abstract: Ecological compensation is a new resource and environment management model. As one of the main areas for implementing ecological compensation policies, basin ecological compensation has become an important measure for encouraging basin pollution control projects and improving the quality of regional economic development. By applying the basic game analysis of evolutionary game theory and building an evolutionary game model with a “reward–punishment” mechanism, this paper compares the interest-related decision-making behaviors of the upstream and downstream stakeholders of basin ecological compensation. By using data on the water quality of Xiangjiang River Basin, this paper calculates the rewards and penalties in different intervals by building a parametric regression mathematical model and employing the local linear regression method. Results show that a decline in water quality should be fined RMB 925500 yuan, an improvement in water quality should be awarded RMB 1227800 yuan, and a deteriorating water quality should be severely fined RMB 5087600 yuan.

Keywords： evolutionary game     ecological compensation standard     Xiangjiang River Basin    

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A review of condition-based maintenance: Its prognostic and operational aspects

Yanrong LI, Shizhe PENG, Yanting LI, Wei JIANG

Frontiers of Engineering Management 2020, Volume 7, Issue 3,   Pages 323-334 doi: 10.1007/s42524-020-0121-5

Abstract: Condition-based maintenance (CBM) detects early signs of failure and dictates when maintenance shouldbe performed based on the actual condition of a system.

Keywords： condition-based maintenance     prognostics     operational decision-making     reliability    

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Trend prediction technology of condition maintenance for large water injection units

Xiaoli XU, Sanpeng DENG

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 2,   Pages 171-175 doi: 10.1007/s11465-009-0091-0

Abstract: Trend prediction technology is the key technology to achieve condition-based maintenance of mechanicalnormal operation of units and save maintenance costs, trend prediction technology is studied to achieve condition-basedindustrial site verification shows that the proposed trend prediction technology can reflect the operating conditiontrend change of the water injection units and provide technical means to achieve condition-based predictive

Keywords： water injection units     condition-based maintenance     trend prediction    

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Standard model of knowledge representation

Wensheng YIN

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 3,   Pages 275-288 doi: 10.1007/s11465-016-0372-3

Abstract: According to ontology, system theory, and control theory, a standard model of knowledge representationIn addition, the standard model of knowledge representation provides a way to solve problems of non-precision

Keywords： knowledge representation     standard model     ontology     system theory     control theory     multidimensional representation    

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Overview of the quality standard research of traditional Chinese medicine

Huimin Gao, Zhimin Wang, Yujuan Li, Zhongzhi Qian

Frontiers of Medicine 2011, Volume 5, Issue 2,   Pages 195-202 doi: 10.1007/s11684-011-0134-x

Abstract: In this review, the progress of the development and the current status of quality standard as well as

Keywords： traditional Chinese medicine     quality standard     quality control     quantitative analysis of multi-components    

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A Standard for the Commissioning Process

William L. Gillis,Elizabeth A. Cudney

Frontiers of Engineering Management 2015, Volume 2, Issue 1,   Pages 39-51 doi: 10.15302/J-FEM-2015006

Abstract: four-phase model can accomplish this by filling the gaps among the major Cx activities and provide a standardinvestigates some potential reasons for inconsistent Cx services, presents an argument for the need of a Cx standard, and proposes a potential standard.

Keywords： construction     engineering management     quality     commissioning    

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Real-time tool condition monitoring method based on temperature measurement and artificial neural network

Frontiers of Mechanical Engineering doi: 10.1007/s11465-021-0661-3

Abstract: processes often cause severe damages of workpieces and lead to large quantities of loss, making tool conditionHere, a real-time tool condition monitoring method integrated in an in situ fiber optic temperature

Keywords： tool condition monitoring     cutting temperature     neural network     learning rate adaption    

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Benzene removal by nano magnetic particles under continuous condition from aqueous solutions

Amin Mohammad Mehdi,Bina Bijan,Majd Amir Masoud Samani,Pourzamani Hamidreza

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 3,   Pages 345-356 doi: 10.1007/s11783-013-0574-4

Abstract: removal from aqueous solutions was evaluated using Fe O nano magnetic particles (NM) in continuous conditionThe results indicated that all factors were significant and the optimum condition was: pH 8, NM doseThe nano particles were shown to capture 98.7% of the benzene in optimum batch condition and 94.5% incontinuous condition.

Keywords： benzene     experimental design     Fe3O4     continues condition     thermal recycling    

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Quantitative standard of eco-compensation for the water source area in the middle route of the South-to-North

Zhanfeng DONG, Jinnan WANG

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 3,   Pages 459-473 doi: 10.1007/s11783-010-0288-9

Abstract: This paper establishes an analytic framework of eco-compensation standard for the protection of the water

Keywords： the South-to-North Water Transfer Scheme     eco-compensation standard     opportunity costs     deviation square    

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In-situ condition monitoring of reinforced concrete structures

Sanjeev Kumar VERMA,Sudhir Singh BHADAURIA,Saleem AKHTAR

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 4,   Pages 420-437 doi: 10.1007/s11709-016-0336-z

Abstract: through modeling of physical deterioration mechanisms, performance characteristics and parameters and condition

Keywords： concrete     carbonation     chloride     corrosion     monitoring     models    

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Optimization of the power, efficiency and ecological function for an air-standard irreversible Dual-Miller

Zhixiang WU, Lingen CHEN, Yanlin GE, Fengrui SUN

Frontiers in Energy 2019, Volume 13, Issue 3,   Pages 579-589 doi: 10.1007/s11708-018-0557-z

Abstract: This paper establishes an irreversible Dual-Miller cycle (DMC) model with the heat transfer (HT) loss, friction loss (FL) and other internal irreversible losses. To analyze the effects of the cut-off ratio ( ) and Miller cycle ratio ( ) on the power output ( ), thermal efficiency ( ) and ecological function ( ), obtain the optimal and optimal , and compare the performance characteristics of DMC with its simplified cycles and with different optimization objective functions, the , and of irreversible DMC are analyzed and optimized by applying the finite time thermodynamic (FTT) theory. Expressions of , and are derived. The relationships among , , and compression ratio ( ) are obtained by numerical examples. The effects of and on , , , maximum power output ( ), maximum efficiency ( ) and maximum ecological function ( ) are analyzed. Performance differences among the DMC, the Otto cycle (OC), the Dual cycle (DDC), and the Otto-Miller cycle (OMC) are compared for fixed design parameters. Performance characteristics of irreversible DMC with the choice of , and as optimization objective functions are analyzed and compared. The results show that the irreversible DMC engine can reach a twice-maximum power, a twice-maximum efficiency, and a twice-maximum ecological function, respectively. Moreover, when choosing as the optimization objective, there is a 5.2% of improvement in while there is a drop of only 2.7% in compared to choosing as the optimization objective. However, there is a 5.6% of improvement in while there is a drop of only 1.3% in compared to choosing as the optimization objective.

Keywords： finite-time thermodynamics     Dual-Miller cycle     power output     thermal efficiency     ecological function    

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Distributed flexible reconfigurable condition monitoring and diagnosis technology

HU You-min, YANG Shu-zi, DU Run-sheng

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 3,   Pages 276-281 doi: 10.1007/s11465-006-0025-z

Abstract: The distributed condition monitoring and diagnosis technology based on the flexible and reconfigurableA condition monitoring diagnosis model based on the distributed flexible and reconfigurable idea is proposed

Keywords： chemical     diagnosis system     configuration     monitoring     equipment    

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Comprehensive health condition assessment on partial sewers in a southern Chinese city based on fuzzy

Lili GAN, Jiane ZUO, Yajiao WANG, Thong Soon LOW, Kaijun WANG

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 1,   Pages 144-150 doi: 10.1007/s11783-013-0554-8

Abstract: comprehensive evaluation and analytical hierarchy process was applied to give a comprehensive health conditionAside from the overall condition evaluation, the structure, function, and stability status of the sewerA comprehensive index was proposed to give the overall health condition of pipes with different defectsResults show that 48% of the inspected pipes were in good condition (0< <0.25), and about 33% of thesewer pipes analyzed were categorized to be at severe or urgent condition levels ( >0.5), although most

Keywords： sewer     health condition assessment     analytical hierarchy process     fuzzy comprehensive evaluation     fuzzy mathematic    

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Effects of Boundary Condition and Helix Angle on Meshing Performance of TI Worm Gearing

SUN Yue-hai, DUAN Lu-qian, WANG Shu-ren, ZHANG Ce

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 1,   Pages 90-95 doi: 10.1007/s11465-005-0006-7

Abstract: contact area of tooth surface of toroidal involute (TI) worm gearing, the authors introduced boundary condition

Keywords： preferable     inexistence     Results     validity     boundary condition    

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Title Author Date Type Operation

Experiment and surge analysis of centrifugal two-stage turbocharging system

HE Yituan, MA Chaochen

Journal Article

Research on the ecological compensation standard of the basin pollution control project based on evolutionary

Dongbin HU, Huiwu LIU, Xiaohong CHEN, Yang CHEN

Journal Article

A review of condition-based maintenance: Its prognostic and operational aspects

Yanrong LI, Shizhe PENG, Yanting LI, Wei JIANG

Journal Article

Trend prediction technology of condition maintenance for large water injection units

Xiaoli XU, Sanpeng DENG

Journal Article

Standard model of knowledge representation

Wensheng YIN

Journal Article

Overview of the quality standard research of traditional Chinese medicine

Huimin Gao, Zhimin Wang, Yujuan Li, Zhongzhi Qian

Journal Article

A Standard for the Commissioning Process

William L. Gillis,Elizabeth A. Cudney

Journal Article

Real-time tool condition monitoring method based on temperature measurement and artificial neural network

Journal Article

Benzene removal by nano magnetic particles under continuous condition from aqueous solutions

Amin Mohammad Mehdi,Bina Bijan,Majd Amir Masoud Samani,Pourzamani Hamidreza

Journal Article

Quantitative standard of eco-compensation for the water source area in the middle route of the South-to-North

Zhanfeng DONG, Jinnan WANG

Journal Article

In-situ condition monitoring of reinforced concrete structures

Sanjeev Kumar VERMA,Sudhir Singh BHADAURIA,Saleem AKHTAR

Journal Article

Optimization of the power, efficiency and ecological function for an air-standard irreversible Dual-Miller

Zhixiang WU, Lingen CHEN, Yanlin GE, Fengrui SUN

Journal Article

Distributed flexible reconfigurable condition monitoring and diagnosis technology

HU You-min, YANG Shu-zi, DU Run-sheng

Journal Article

Comprehensive health condition assessment on partial sewers in a southern Chinese city based on fuzzy

Lili GAN, Jiane ZUO, Yajiao WANG, Thong Soon LOW, Kaijun WANG

Journal Article

Effects of Boundary Condition and Helix Angle on Meshing Performance of TI Worm Gearing

SUN Yue-hai, DUAN Lu-qian, WANG Shu-ren, ZHANG Ce

Journal Article