Hydrodynamic cavitation that occurs inside valves not only increases the energy consumption burden of the whole piping system but also leads to severe damages to the valve body and the piping system with a large economic loss. In this paper, in order to reduce the hydrodynamic cavitation inside globe valves, effects of valve body geometrical parameters including bending radius, deviation distance, and arc curvature linked to in/export parts on hydrodynamic cavitation are investigated by using a cavitation model. To begin with, the numerical model is compared with similar works to check its accuracy. Then, the cavitation index and the total vapor volume are predicted. The results show that vapor primarily appears around the valve seat and connecting downstream pipes. The hydrodynamic cavitation does not occur under a small inlet velocity, a large bending radius, and a large deviation distance. Cavitation intensity decreases with the increase of the bending radius, the deviation distance, and the arc curvature linked to in/export parts. This indicates that valve geometrical parameters should be chosen as large as possible, while the maximal fluid velocity should be limited. This work is of significance for hydrodynamic cavitation or globe valve design.
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March 2018
Research-Article
A Parametric Study of Hydrodynamic Cavitation Inside Globe Valves
Zhi-xin Gao,
Zhi-xin Gao
Institute of Process Equipment,
Zhejiang University,
Hangzhou 310027, China
e-mail: zhixingao@foxmail.com
Zhejiang University,
Hangzhou 310027, China
e-mail: zhixingao@foxmail.com
Search for other works by this author on:
Jin-yuan Qian,
Jin-yuan Qian
Institute of Process Equipment;
State Key Laboratory of Fluid Power and
Mechatronic Systems,
Zhejiang University,
Hangzhou 310027, China;
Department of Energy Sciences,
Lund University,
P.O. Box 118,
Lund SE-22100, Sweden
e-mails: qianjy@zju.edu.cn;
jin-yuan.qian@energy.lth.se
State Key Laboratory of Fluid Power and
Mechatronic Systems,
Zhejiang University,
Hangzhou 310027, China;
Department of Energy Sciences,
Lund University,
P.O. Box 118,
Lund SE-22100, Sweden
e-mails: qianjy@zju.edu.cn;
jin-yuan.qian@energy.lth.se
Search for other works by this author on:
Zan Wu,
Zan Wu
Department of Energy Sciences,
Lund University,
P.O. Box 118,
Lund SE-22100, Sweden
e-mail: zan.wu@energy.lth.se
Lund University,
P.O. Box 118,
Lund SE-22100, Sweden
e-mail: zan.wu@energy.lth.se
Search for other works by this author on:
Bengt Sunden
Bengt Sunden
Department of Energy Sciences,
Lund University,
P.O. Box 118,
Lund SE-22100, Sweden
e-mail: bengt.sunden@energy.lth.se
Lund University,
P.O. Box 118,
Lund SE-22100, Sweden
e-mail: bengt.sunden@energy.lth.se
Search for other works by this author on:
Zhi-jiang Jin
Zhi-xin Gao
Institute of Process Equipment,
Zhejiang University,
Hangzhou 310027, China
e-mail: zhixingao@foxmail.com
Zhejiang University,
Hangzhou 310027, China
e-mail: zhixingao@foxmail.com
Jin-yuan Qian
Institute of Process Equipment;
State Key Laboratory of Fluid Power and
Mechatronic Systems,
Zhejiang University,
Hangzhou 310027, China;
Department of Energy Sciences,
Lund University,
P.O. Box 118,
Lund SE-22100, Sweden
e-mails: qianjy@zju.edu.cn;
jin-yuan.qian@energy.lth.se
State Key Laboratory of Fluid Power and
Mechatronic Systems,
Zhejiang University,
Hangzhou 310027, China;
Department of Energy Sciences,
Lund University,
P.O. Box 118,
Lund SE-22100, Sweden
e-mails: qianjy@zju.edu.cn;
jin-yuan.qian@energy.lth.se
Zan Wu
Department of Energy Sciences,
Lund University,
P.O. Box 118,
Lund SE-22100, Sweden
e-mail: zan.wu@energy.lth.se
Lund University,
P.O. Box 118,
Lund SE-22100, Sweden
e-mail: zan.wu@energy.lth.se
Bengt Sunden
Department of Energy Sciences,
Lund University,
P.O. Box 118,
Lund SE-22100, Sweden
e-mail: bengt.sunden@energy.lth.se
Lund University,
P.O. Box 118,
Lund SE-22100, Sweden
e-mail: bengt.sunden@energy.lth.se
1Corresponding author.
Contributed by the Fluids Engineering Division of ASME for publication in the JOURNAL OF FLUIDS ENGINEERING. Manuscript received May 16, 2017; final manuscript received September 15, 2017; published online October 31, 2017. Assoc. Editor: Shizhi Qian.
J. Fluids Eng. Mar 2018, 140(3): 031208 (9 pages)
Published Online: October 31, 2017
Article history
Received:
May 16, 2017
Revised:
September 15, 2017
Citation
Jin, Z., Gao, Z., Qian, J., Wu, Z., and Sunden, B. (October 31, 2017). "A Parametric Study of Hydrodynamic Cavitation Inside Globe Valves." ASME. J. Fluids Eng. March 2018; 140(3): 031208. https://doi.org/10.1115/1.4038090
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