한국해양공학회:학술대회논문집 (Proceedings of the Korea Committee for Ocean Resources and Engineering Conference)
- 한국해양공학회 2003년도 춘계학술대회 논문집
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- Pages.240-244
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- 2003
T형 볼밸브 내의 유동특성 해석 및 압력변동의 FFT 분석
Study on the flow characteristics and FFT analysis to the pressure fluctuation in a T-type ball valve
- Yeo, Chang-Ho (Graduate School, Dong-A University) ;
- Heo, Hyeung-Seok (Graduate School, Dong-A University) ;
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Suh, Yong-Kweon
(Divison of Mechanical and Industrial System Engineering, Dong-A University)
- 발행 : 2003.05.23
초록
In this paper, we present the CFD and experimental results for flow characteristics as well as pressure fluctuation in a T-type ball valve. In the experiment, flow visualization for the wake is performed with a fluorescent dye. In CFD, the valve flow is simulated three-dimensionally using a commercial fluid analysis code, FLUENT 6.0. FFT analysis to the pressure fluctuation in the wake region is also calculated Analysis results show that the characteristic frequency of the wake flow is strongly dependent on the Reynolds number.