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Reliability prediction and its validation for nuclear power units in service

Jinyuan SHI,Yong WANG

Frontiers in Energy 2016, Volume 10, Issue 4,   Pages 479-488 doi: 10.1007/s11708-016-0425-7

Abstract: The equivalent availability factor is used to measure the reliability, and the equivalent availabilityThe numerical model based on the maintenance factor predicts the equivalent availability factor deductingUsing these factors, the equivalent availability factor of nuclear power units in the following 3 yearsavailability factors.It is found that the relative errors of the predicted equivalent availability factors for nuclear power

Keywords： nuclear power units in service     reliability     reliability prediction     equivalent availability factors    

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Understanding coupled factors that affect the modelling accuracy of typical planar compliant mechanisms

Guangbo HAO,Haiyang LI,Suzen KEMALCAN,Guimin CHEN,Jingjun YU

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 2,   Pages 129-134 doi: 10.1007/s11465-016-0392-z

Abstract: This paper investigates a quantitative equivalent modulus using nonlinear finite element analysis (FEA) to reflect coupled factors in affecting the modelling accuracy of two typical distributed-complianceIt has been shown that all parameters have influences on the equivalent modulus with different degrees; that the presence of large load-stiffening effect makes the equivalent modulus significantly deviate

Keywords： coupling factors     modelling accuracy     compliant mechanisms     equivalent modulus    

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Availability growth models and verification of power equipment

Jinyuan SHI, Jiamin XU

Frontiers in Energy 2021, Volume 15, Issue 2,   Pages 529-538 doi: 10.1007/s11708-019-0624-0

Abstract: The general availability growth models for large scale complicated repairable system such as electricThe calculation formulas for the maintenance coefficient, mathematical expressions for general availabilityAvailability growth models for electric generating units, power station auxiliaries, and transmissionand distribution installations are given together with verification examples for availability growthgrowth models conform to rules of availability growth tendency of power equipment.

Keywords： electric generating unit     power station auxiliary     transmission and distribution installation     reliability     availability     availability growth model    

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Bridging reliability and operations management for superior system availability: Challenges and opportunities

Frontiers of Engineering Management   Pages 391-405 doi: 10.1007/s42524-022-0206-4

Abstract: decisions under an integrated reliability-maintenance-inventory framework for attaining superior system availability

Keywords： system availability     product-service integration     installed base     new product introduction     service supply    

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A modified zone model for estimating equivalent room thermal capacity

Hua CHEN, Xiaolin WANG

Frontiers in Energy 2013, Volume 7, Issue 3,   Pages 351-357 doi: 10.1007/s11708-013-0254-x

Abstract: The zone model has been widely applied in control analysis of heating, ventilation and air conditioning (HVAC) systems to achieve a high building efficiency. This paper proposed a modified zone model which is much simpler in the HVAC system simulation and has the similar accuracy to the complicated simulation model. The proposed model took into consideration the effect of envelop heat reservoir on the room indoor temperature by introducing the thermal admittance of the inner surfaces of the building enclosure. The thermal admittance for the building enclosure was developed based on the building thermal network analytical theory and transfer function method. The efficacy of the proposed model was demonstrated by comparing it with the complicated model — heat balance method (HTB2 program). The predicted results from the proposed model well agreed with those from the complicated simulation. The proposed model can then make the HVAC system dynamic simulation much faster and more acceptable for control design due to its simplicity and efficiency.

Keywords： room model     thermal network analysis     transfer function     heating     ventilation and air conditioning (HVAC) system simulation    

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Analyzing the service availability of mobile cloud computing systems by fluid-flow approximation

Hong-wu LV,Jun-yu LIN,Hui-qiang WANG,Guang-sheng FENG,Mo ZHOU

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 7,   Pages 553-567 doi: 10.1631/FITEE.1400410

Abstract: However, at present, the service availability of MCC is usually measured by some certain metrics of arepresentation since different systems have different load levels, different deployments, and many other random factorsfluid-flow approximation, a breakthrough to avoid state-space explosion, is adopted to analyze the service availabilitytime of devices, minimum number of nodes chosen, and action throughput, are defined to estimate the availabilityExperimental results show that our method costs less time in analyzing the service availability of MCC

Keywords： Service availability     Mobile cloud computing     Fluid-flow approximation     Ordinary differential equations    

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Distribution of background equivalent static wind load on high-rise buildings

Jianguo ZHANG , Ming GU ,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 3,   Pages 241-248 doi: 10.1007/s11709-009-0036-z

Abstract: gust load envelope (GLE) methods, are verified in terms of their accuracy in describing the background equivalentBased on the results, formulae of the distribution of background equivalent static load on high-rise

Keywords： high-rise buildings     along-wind     cross-wind     background equivalent static wind load     close formulae    

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China’s new problems of food security revealed by the Food Equivalent Unit

Huilong LIN,Ruichao LI,Cangyu JIN,Chong WANG,Maohong WEI,Jizhou REN

Frontiers of Agricultural Science and Engineering 2014, Volume 1, Issue 1,   Pages 69-76 doi: 10.15302/J-FASE-2014023

Abstract: Thus, not only grain for human consumption, but also animal foods have been integrated into the Food Equivalent

Keywords： food security     nutrition security     food equivalent unit     grassland agriculture     China    

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Equivalent circuit and characteristic simulation of a brushless electrically excited synchronous wind

Hao WANG, Fengge ZHANG, Tao GUAN, Siyang YU

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 3,   Pages 420-426 doi: 10.1007/s11465-017-0439-9

Abstract: In view of this problem, the equivalent circuit and electromagnetic torque expression of the BEESG areThe generator is simulated and tested experimentally using the established equivalent circuit model.Results show the validity of the equivalent circuit model.

Keywords： wind power     brushless electrically excited synchronous generator     hybrid rotor     equivalent circuit    

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Aerobic granular sludge formation based on substrate availability: Effects of flow pattern and fermentation

Quan Yuan, Hui Gong, Hao Xi, Kaijun Wang

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 3, doi: 10.1007/s11783-020-1226-0

Abstract: plug-flow) and fermentation pretreatment on aerobic granular sludge (AGS) formation with various substrate availability

Keywords： Anaerobic plug-flow feeding mode     Anaerobic mixed-flow mode     Fermentation pretreatment     Substrate gradient     Penetration depth    

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Fault classification and reconfiguration of distribution systems using equivalent capacity margin method

K. Sathish KUMAR, T. JAYABARATHI

Frontiers in Energy 2012, Volume 6, Issue 4,   Pages 394-402 doi: 10.1007/s11708-012-0211-0

Abstract: support vector machines (SVM) for prediction of fault classification and the use of the concept of equivalent

Keywords： support vector machines (SVM)     structural risk minimization (SRM)     equivalent capacity margin (ECM)     restoration    

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Meta-analysis of the risk factors of breast cancer concerning reproductive factors and oral contraceptive

Qiong DAI MD, Bei LIU MD, Yukai DU MM,

Frontiers of Medicine 2009, Volume 3, Issue 4,   Pages 452-458 doi: 10.1007/s11684-009-0080-z

Abstract: The authors performed a meta-analysis of case-control studies that addressed whether reproductive factorsbreast cancer risk while breast-feeding and number of full-term pregnancies ≥1 are protective factors

Keywords： meta-analysis     breast cancer     risk factors     reproductive factors     oral contraceptive use    

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Risk factors of prognosis after acute kidney injury in hospitalized patients

Sasa Nie, Zhe Feng, Lihua Xia, Jiuxu Bai, Fenglin Xiao, Jian Liu, Li Tang, Xiangmei Chen

Frontiers of Medicine 2017, Volume 11, Issue 3,   Pages 393-402 doi: 10.1007/s11684-017-0532-9

Abstract:

The risk factors, especially laboratory indicators, of prognosis after acute kidney injury (AKI) remainThe epidemiological features and factors influencing hospital mortality and renal function recovery wereIncreased AKI stage, tumor disease, post-cardiopulmonary resuscitation, and RRT were the risk factorsIn addition to traditional risk factors, white blood cell count, platelet count, albumin, and BMI wereNo laboratory indicators were found to be the risk factors of renal function recovery in AKI patients

Keywords： acute kidney injury     risk factors     prognosis    

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Numerical calculation for the equivalent surface source of the thermal neutron duct of in-hospital neutron

Zhu Yangni,Jiang Xinbiao,Zhao Zhumin,Zhang Liang,Zhou Yongmao

Strategic Study of CAE 2012, Volume 14, Issue 8,   Pages 56-59

Abstract:

Numerical calculation for the equivalent surface source of the thermalEquivalent neutron and γ surface sources for BNCT are built using equivalent surface source modelAnd these sources are reliable to calculate absorbed dose distribution in equivalent model of head quickly

Keywords： IHNI－1 reactor     thermal neutron duct     equivalent neutron surface source     equivalent γ surface source    

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Study of a High-Availability Dual Computer System with Fault Tolerant Architecture

Jin Shiyao,Hu Huaping,Li Hongliang

Strategic Study of CAE 1999, Volume 1, Issue 3,   Pages 46-50

Abstract:

To ensure the high availability, the duplex-computer system with fault tolerance architecture is usedIn this paper, there are great progresses in the analysis of availability, the judgement over of two

Keywords： availability     duplex system     fault judgement ratio     switch success ratio    

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Title Author Date Type Operation

Reliability prediction and its validation for nuclear power units in service

Jinyuan SHI,Yong WANG

Journal Article

Understanding coupled factors that affect the modelling accuracy of typical planar compliant mechanisms

Guangbo HAO,Haiyang LI,Suzen KEMALCAN,Guimin CHEN,Jingjun YU

Journal Article

Availability growth models and verification of power equipment

Jinyuan SHI, Jiamin XU

Journal Article

Bridging reliability and operations management for superior system availability: Challenges and opportunities

Journal Article

A modified zone model for estimating equivalent room thermal capacity

Hua CHEN, Xiaolin WANG

Journal Article

Analyzing the service availability of mobile cloud computing systems by fluid-flow approximation

Hong-wu LV,Jun-yu LIN,Hui-qiang WANG,Guang-sheng FENG,Mo ZHOU

Journal Article

Distribution of background equivalent static wind load on high-rise buildings

Jianguo ZHANG , Ming GU ,

Journal Article

China’s new problems of food security revealed by the Food Equivalent Unit

Huilong LIN,Ruichao LI,Cangyu JIN,Chong WANG,Maohong WEI,Jizhou REN

Journal Article

Equivalent circuit and characteristic simulation of a brushless electrically excited synchronous wind

Hao WANG, Fengge ZHANG, Tao GUAN, Siyang YU

Journal Article

Aerobic granular sludge formation based on substrate availability: Effects of flow pattern and fermentation

Quan Yuan, Hui Gong, Hao Xi, Kaijun Wang

Journal Article

Fault classification and reconfiguration of distribution systems using equivalent capacity margin method

K. Sathish KUMAR, T. JAYABARATHI

Journal Article

Meta-analysis of the risk factors of breast cancer concerning reproductive factors and oral contraceptive

Qiong DAI MD, Bei LIU MD, Yukai DU MM,

Journal Article

Risk factors of prognosis after acute kidney injury in hospitalized patients

Sasa Nie, Zhe Feng, Lihua Xia, Jiuxu Bai, Fenglin Xiao, Jian Liu, Li Tang, Xiangmei Chen

Journal Article

Numerical calculation for the equivalent surface source of the thermal neutron duct of in-hospital neutron

Zhu Yangni,Jiang Xinbiao,Zhao Zhumin,Zhang Liang,Zhou Yongmao

Journal Article

Study of a High-Availability Dual Computer System with Fault Tolerant Architecture

Jin Shiyao,Hu Huaping,Li Hongliang

Journal Article