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CLC number: TP211.3

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Received: 2009-07-08

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Crosschecked: 2010-01-22

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Journal of Zhejiang University SCIENCE A 2010 Vol.11 No.3 P.181-190

http://doi.org/10.1631/jzus.A0900417


Optimization of cross angle based on the pumping dynamics model


Author(s):  Ji-en MA, You-tong FANG, Bing XU, Hua-yong YANG

Affiliation(s):  School of Electrical Engineering, Zhejiang University, Hangzhou 310027, China; more

Corresponding email(s):   youtong@zju.edu.cn

Key Words:  Flow ripple, Pressure pulsation, Piston pump, Noise


Ji-en MA, You-tong FANG, Bing XU, Hua-yong YANG. Optimization of cross angle based on the pumping dynamics model[J]. Journal of Zhejiang University Science A, 2010, 11(3): 181-190.

@article{title="Optimization of cross angle based on the pumping dynamics model",
author="Ji-en MA, You-tong FANG, Bing XU, Hua-yong YANG",
journal="Journal of Zhejiang University Science A",
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pages="181-190",
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%T Optimization of cross angle based on the pumping dynamics model
%A Ji-en MA
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%A Bing XU
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%J Journal of Zhejiang University SCIENCE A
%V 11
%N 3
%P 181-190
%@ 1673-565X
%D 2010
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A0900417

TY - JOUR
T1 - Optimization of cross angle based on the pumping dynamics model
A1 - Ji-en MA
A1 - You-tong FANG
A1 - Bing XU
A1 - Hua-yong YANG
J0 - Journal of Zhejiang University Science A
VL - 11
IS - 3
SP - 181
EP - 190
%@ 1673-565X
Y1 - 2010
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.A0900417


Abstract: 
The single cylinder and multi-cylinder pumping dynamics model of a swash plate piston pump were improved. Particular attention has been paid to the design influences of key parts of the valve plate such as relief groove, pre-compression/ expansion and fluid inertia effect of the unsteady flow. Some important parameters, such as the discharge area, discharge coefficient, fluid bulk modulus, were especially analyzed using numerical methods or by experiment-based estimation. Consequently, the mathematical results of pressure pulsation and flow ripple agree well with experimental results from the test-rig of the flow ripple. Therefore, the cross angle and the pre-compression angle of the valve plate was optimized, based on the pumping dynamics model. Considering both the flow ripple and the cylinder pressure of the pump, the cross angle is set to be 2.2° to 2.7° with a pre-compression angle of 1.7° to 2.2°, so the pumping dynamics character can obtain the best result.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

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