CLC number: TH136
On-line Access: 2024-08-27
Received: 2023-10-17
Revision Accepted: 2024-05-08
Crosschecked: 2021-03-18
Cited: 0
Clicked: 5254
Citations: Bibtex RefMan EndNote GB/T7714
Jin-yuan Qian, Juan Mu, Cong-wei Hou, Zhi-jiang Jin. A parametric study on unbalanced moment of piston type valve core[J]. Journal of Zhejiang University Science A, 2021, 22(4): 265-276.
@article{title="A parametric study on unbalanced moment of piston type valve core",
author="Jin-yuan Qian, Juan Mu, Cong-wei Hou, Zhi-jiang Jin",
journal="Journal of Zhejiang University Science A",
volume="22",
number="4",
pages="265-276",
year="2021",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A2000582"
}
%0 Journal Article
%T A parametric study on unbalanced moment of piston type valve core
%A Jin-yuan Qian
%A Juan Mu
%A Cong-wei Hou
%A Zhi-jiang Jin
%J Journal of Zhejiang University SCIENCE A
%V 22
%N 4
%P 265-276
%@ 1673-565X
%D 2021
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A2000582
TY - JOUR
T1 - A parametric study on unbalanced moment of piston type valve core
A1 - Jin-yuan Qian
A1 - Juan Mu
A1 - Cong-wei Hou
A1 - Zhi-jiang Jin
J0 - Journal of Zhejiang University Science A
VL - 22
IS - 4
SP - 265
EP - 276
%@ 1673-565X
Y1 - 2021
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.A2000582
Abstract: In this paper, the piston type valve core and the unbalanced moment on its bottom are studied. To decrease the influence of non-common geometrical factors, a simplified model of the piston type globe valve is proposed in this study. Based on the computational fluid dynamics (CFD) method, the effects of different geometrical parameters on the unbalanced moment existing on the bottom of the valve core, which include the bending radius of the inlet flow channel, the diameter of the special-shaped pipe, and the height of the valve core, are studied. Finally, the effects of geometrical parameters on the unbalanced moment on the bottom of the valve core are clarified by correction and variation classification and provide a basis for further optimizing the structure of the piston type valve. The results show that the unbalanced moment decreases with the increase of the bending radius of the inlet flow channel, but increases with the increase of the diameter of the special-shaped pipe and the height of the valve core. Moreover, the relation between the unbalanced moment and flow rate is proposed.
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