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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 19    Special 1    September 2009

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Structural optimization for ball valve made of CF8M stainless steel
Xue-Guan SONG, Seung-Gyu KIM, Seok-Heum BAEK, Young-Chul PARK

Department of Mechanical Engineering, Dong-A University, Busan 604-714, Korea

Abstract:The mechanical and chemical properties of CF8M were studied through experiments. An application of CF8M in valve body was analyzed by using finite element method(FEM) to evaluate the structural safety. An optimization containing several variables based on the response surface method(RSM) was conducted to find the optimum dimension of the valve. The results show that using this process can save valve mass as well as the computational expense effectively.

 

Key words: ball valve; CF8M stainless steel; trade-off method; response surface method; optimization

ISSN 1672-7029
CN 43-1423/U

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