CLC number: TH137.523
On-line Access: 2024-08-27
Received: 2023-10-17
Revision Accepted: 2024-05-08
Crosschecked: 2018-05-09
Cited: 0
Clicked: 5304
Citations: Bibtex RefMan EndNote GB/T7714
Jun-hui Zhang, Di Wang, Bing Xu, Min-yao Gan, Min Pan, Hua-yong Yang. Experimental and numerical investigation of flow forces in a seat valve using a damping sleeve with orifices[J]. Journal of Zhejiang University Science A, 2018, 19(6): 417-430.
@article{title="Experimental and numerical investigation of flow forces in a seat valve using a damping sleeve with orifices",
author="Jun-hui Zhang, Di Wang, Bing Xu, Min-yao Gan, Min Pan, Hua-yong Yang",
journal="Journal of Zhejiang University Science A",
volume="19",
number="6",
pages="417-430",
year="2018",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A1700164"
}
%0 Journal Article
%T Experimental and numerical investigation of flow forces in a seat valve using a damping sleeve with orifices
%A Jun-hui Zhang
%A Di Wang
%A Bing Xu
%A Min-yao Gan
%A Min Pan
%A Hua-yong Yang
%J Journal of Zhejiang University SCIENCE A
%V 19
%N 6
%P 417-430
%@ 1673-565X
%D 2018
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A1700164
TY - JOUR
T1 - Experimental and numerical investigation of flow forces in a seat valve using a damping sleeve with orifices
A1 - Jun-hui Zhang
A1 - Di Wang
A1 - Bing Xu
A1 - Min-yao Gan
A1 - Min Pan
A1 - Hua-yong Yang
J0 - Journal of Zhejiang University Science A
VL - 19
IS - 6
SP - 417
EP - 430
%@ 1673-565X
Y1 - 2018
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.A1700164
Abstract: The power of hydraulic piston engines is much affected by the on-off valves which control the fuel injection of the piston assembly. Therefore, the opening time of the seat valve used as the on-off valve is optimized by minimizing the axial flow forces on the spool. A damping sleeve with orifices is proposed to change the valve internal geometry. Experimental and numerical investigations of the flow forces acting on the spool with and without the proposed damping sleeve are carried out to identify the differences in the flow field and to minimize the forces’ effect. The simulated results fit the experimental results well. Both results show that the proposed damping sleeve affects the pressure distribution along the spool cone surface and the jet stream direction significantly. The effects of the orifice’s width, height, and relative sleeve installation positions on the flow field and cavitation are assessed using simulation methods. As a result of the flow field changing, the damping sleeve can reduce the flow forces significantly and even reverse the forces’ direction at the cost of a little flow loss. The opening time of the seat valve can be reduced by 31% to 0.67 ms by using the proposed damping sleeve.
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