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Vibration Fault Diagnosis for Large Scale Steam Turbine Sets

Yu Wenhu,Song bin

Strategic Study of CAE 2001, Volume 3, Issue 1,   Pages 44-50

Abstract:

This paper describes the development of vibration fault diagnosis for steam turbines being used inSystem of performance and vibration remote monitoring and diagnosis for large-scale steam turbine setsFinally, this paper presents the develop trends of vibration fault diagnosis for steam turbines

Keywords： steam turbine sets     fault diagnosis     vibration     performance diagnosis    

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Reliability design method for steam turbine blades

SHI Jinyuan

Frontiers in Energy 2008, Volume 2, Issue 4,   Pages 363-368 doi: 10.1007/s11708-008-0073-7

Abstract: frequencies and exciting force frequencies of blades as random variables, a reliability design method for steamturbine blades is presented.The fatigue strength and the vibration design reliability of turbine blades are determined with the aidWith these methods, the design reliability of steam turbine blades can be guaranteed in the design stageThis research may provide some scientific basis for reliability design of steam turbine blades.

Keywords： design reliability     force     probability     purport     reliability design    

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1000 MW ultra-supercritical turbine steam parameter optimization

FENG Weizhong

Frontiers in Energy 2008, Volume 2, Issue 2,   Pages 187-193 doi: 10.1007/s11708-008-0030-5

Abstract: The 2 × 1000 MW ultra-supercritical steam turbine of Shanghai Waigaoqiao Phase III project, which usesgrid frequency regulation and overload control through an overload valve, is manufactured by Shanghai TurbineThrough optimization, the steam pressure is regarded as the criterion between constant pressure and slidingAt high circulating water temperature, the turbine overload valve is kept closed when the unit load iscondenser to reduce the exhaust steam flow and the heat load to the main condenser, the unit average
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Probability strength design of steam turbine blade and sensitivity analysis with respect to random parameters

DUAN Wei

Frontiers in Energy 2008, Volume 2, Issue 1,   Pages 107-115 doi: 10.1007/s11708-008-0018-1

Abstract: Many stochastic parameters have an effect on the reliability of a steam turbine blade during practical

Keywords： Probability sensitivity     sensitivity analysis     number     cross-section     statistical    

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Effect of heat transfer coefficient of steam turbine rotor on thermal stress field under off-design condition

Jie GUO,Danmei XIE,Hengliang ZHANG,Wei JIANG,Yan ZHOU

Frontiers in Energy 2016, Volume 10, Issue 1,   Pages 57-64 doi: 10.1007/s11708-015-0385-3

Abstract: The precise calculation of temperature and thermal stress field of steam turbine rotor under off-designThe result shows that the accuracy of coefficient calculation when steam parameters are low has a greaterWhen steam parameters are high and HT coefficient is larger than 10 W/(m ·°C), there will be barely

Keywords： steam turbine     rotor     thermal stress     heat transfer coefficient     empirical formula    

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Numerical simulation of a new hollow stationary dehumidity blade in last stage of steam turbine

Youmin HOU, Danmei XIE, Wangfan LI, Xinggang YU, Yang SHI, Hanshi QIN

Frontiers in Energy 2011, Volume 5, Issue 3,   Pages 288-296 doi: 10.1007/s11708-011-0160-z

Abstract: As a result of adopting saturation steam and long blade, problems of water erosion of last stage bladefor steam turbine become more prominent.In order to improve the operation reliability and efficiency of steam turbine, it is necessary to investigatethe nonequilibrium condensing wet steam two phase flow and the dehumidity method.steam condensing flow in the cascades.

Keywords： steam turbine     hollow stationary blade     dehumidity     numerical simulation    

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Steam turbine governor modeling and parameters testing for power system simulation

Ying LI, Chufeng PENG, Zenghui YANG

Frontiers in Energy 2009, Volume 3, Issue 2,   Pages 198-203 doi: 10.1007/s11708-009-0004-2

Abstract: The theoretical modeling, parameters test and model correction for a steam turbine (ST) governor are

Keywords： power system simulation     ST governor system     modeling     parameters testing    

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The Analysis on the Air-exciting-vibration Force of Steam Turbine

Chai Shan,Zhang Yaoming,Qu Qingwen,Zhao Youqun,Yao Fusheng

Strategic Study of CAE 2001, Volume 3, Issue 4,   Pages 68-72

Abstract: force are derived for straight blade, short twist blade, long twist blade and the control stage of steamturbine in uniform air-flow field.air-exciting-vibration force can be directly calculated based on the design parameters and air-flow parameters of steamturbine.

Keywords： steam turbine     air-exciting-vibration force     hydro-dynamics    

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Structure improvement and strength finite element analysis of VHP welded rotor of 700°C USC steam turbine

Jinyuan SHI,Zhicheng DENG,Yong WANG,Yu YANG

Frontiers in Energy 2016, Volume 10, Issue 1,   Pages 88-104 doi: 10.1007/s11708-015-0387-1

Abstract: element analysis method for very high pressure (VHP) rotors of the 700°C ultra-super-critical (USC) steamturbine are presented.The main parameters of steam and the steam thermal parameters of blade stages of VHP welded rotors aswell as the start and shutdown curves of the steam turbine are determined.turbine is safe at the steady condition and during the transient start or shutdown process.

Keywords： 700°C ultra-super-critical unit     steam turbine     very high pressure rotor     structure strength design     strength    

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A Decision-making Method Based on Fuzzy Sets and Rough Sets Theory

Luo Dang

Strategic Study of CAE 2004, Volume 6, Issue 12,   Pages 32-36

Abstract: presented for dealing with uncertain and imprecise problems, based on the difference between fuzzy setsand rough sets theories.analysis, to make a decision table specified,and then to simplify the decision table by means of the rough sets

Keywords： fuzzy clustering     rough sets     decision table     decision rule    

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Improved approach to quality function deployment based on Pythagorean fuzzy sets and application to assembly

Huchang LIAO, Yinghan CHANG, Di WU, Xunjie GOU

Frontiers of Engineering Management 2020, Volume 7, Issue 2,   Pages 196-203 doi: 10.1007/s42524-019-0038-z

Abstract: To increase the effectiveness of QFD, we propose an improved method based on Pythagorean fuzzy sets (

Keywords： quality function deployment     Pythagorean fuzzy sets     group consensus     combined weights     assembly robot design    

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Noise control technology for generator sets in enclosures

ZHANG Nailong, YANG Wentong, FEI Renyuan

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 4,   Pages 377-384 doi: 10.1007/s11465-008-0051-0

Abstract: The health and life of human beings are affected by loud noise from high power generator sets.

Keywords： equipment     generator     sound-attenuated enclosure     convenient     Enclosure development    

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High-Level Layout Technology and Engineering Application for Advanced Air-Cooled Ultra-Supercritical Steam-Turbine

Wang Shumin, Zhang Yi, Xu Lu, Li Yanbing, Gu Yongzheng, Zhuo Hua, Sun Rui, Zhang Manping, Jiang Shihong, Liu Jianhai, Li Hongxing

Strategic Study of CAE 2023, Volume 25, Issue 2,   Pages 147-159 doi: 10.15302/J-SSCAE-2023.02.012

Abstract: engineering innovation practice of the high-level layout technology for an air-cooled ultra-supercritical steam-turbinethe main power house,thereby ensuring the safety of the main power house structure, high-temperature steampipelines, and steam turbine generator unit through technological breakthroughs.and reheat steam pipelines of the high-level layout (its operating floor level being 65 m) can save34.2% and 20.9% of raw materials,respectively; and exhaust steam pipes of the air-cooled island can save

Keywords： ultra-supercritical     advanced coal-fired power     air-cooled steam turbine generator unit     high-level layout    

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Modeling analysis on solar steam generator employed in multi-effect distillation (MED) system

Zhaorui ZHAO, Bao YANG, Ziwen XING

Frontiers in Energy 2019, Volume 13, Issue 1,   Pages 193-203 doi: 10.1007/s11708-019-0608-0

Abstract: Specifically, the effects of operating parameters, such as the motive steam temperature, seawater flowproduced have been investigated in the MED desalination system combined with the bilayer wood solar steamIt is found that, under a given operating condition, there exists an optimum steam generation temperatureThis parametric simulation study will help the design of efficient bilayer wood solar steam generator

Keywords： solar energy     steam generating     multi-effect desalination    

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Intrinsic kinetics and external diffusion of catalytic steam gasification of fine coal char particles

Xuantao Wu, Jie Wang

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 2,   Pages 415-426 doi: 10.1007/s11705-018-1725-8

Abstract: Catalytic steam gasification of fine coal char particles was carried out using a self-made laboratory

Keywords： coal char     catalytic steam gasification     pressure     kinetics     diffusion    

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Title Author Date Type Operation

Vibration Fault Diagnosis for Large Scale Steam Turbine Sets

Yu Wenhu,Song bin

Journal Article

Reliability design method for steam turbine blades

SHI Jinyuan

Journal Article

1000 MW ultra-supercritical turbine steam parameter optimization

FENG Weizhong

Journal Article

Probability strength design of steam turbine blade and sensitivity analysis with respect to random parameters

DUAN Wei

Journal Article

Effect of heat transfer coefficient of steam turbine rotor on thermal stress field under off-design condition

Jie GUO,Danmei XIE,Hengliang ZHANG,Wei JIANG,Yan ZHOU

Journal Article

Numerical simulation of a new hollow stationary dehumidity blade in last stage of steam turbine

Youmin HOU, Danmei XIE, Wangfan LI, Xinggang YU, Yang SHI, Hanshi QIN

Journal Article

Steam turbine governor modeling and parameters testing for power system simulation

Ying LI, Chufeng PENG, Zenghui YANG

Journal Article

The Analysis on the Air-exciting-vibration Force of Steam Turbine

Chai Shan,Zhang Yaoming,Qu Qingwen,Zhao Youqun,Yao Fusheng

Journal Article

Structure improvement and strength finite element analysis of VHP welded rotor of 700°C USC steam turbine

Jinyuan SHI,Zhicheng DENG,Yong WANG,Yu YANG

Journal Article

A Decision-making Method Based on Fuzzy Sets and Rough Sets Theory

Luo Dang

Journal Article

Improved approach to quality function deployment based on Pythagorean fuzzy sets and application to assembly

Huchang LIAO, Yinghan CHANG, Di WU, Xunjie GOU

Journal Article

Noise control technology for generator sets in enclosures

ZHANG Nailong, YANG Wentong, FEI Renyuan

Journal Article

High-Level Layout Technology and Engineering Application for Advanced Air-Cooled Ultra-Supercritical Steam-Turbine

Wang Shumin, Zhang Yi, Xu Lu, Li Yanbing, Gu Yongzheng, Zhuo Hua, Sun Rui, Zhang Manping, Jiang Shihong, Liu Jianhai, Li Hongxing

Journal Article

Modeling analysis on solar steam generator employed in multi-effect distillation (MED) system

Zhaorui ZHAO, Bao YANG, Ziwen XING

Journal Article

Intrinsic kinetics and external diffusion of catalytic steam gasification of fine coal char particles

Xuantao Wu, Jie Wang

Journal Article