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Dynamic balance analysis of contamination control for hydraulic systems based on dynamic filtration ratio

Guangying Ma (Weihai School of Mechanical, Electrial and Information Engineering, Shandong University, Weihai, China)
Shurong Ning (Weihai School of Mechanical, Electrial and Information Engineering, Shandong University, Weihai, China)
Yunlong Hu (Dengtong Purification Equipment Co.,Ltd, Wehai, China)
jun Gao (Weihai School of Mechanical, Electrial and Information Engineering, Shandong University, Weihai, China)

Industrial Lubrication and Tribology

ISSN: 0036-8792

Article publication date: 8 February 2016

212

Abstract

Purpose

The aim of this study is to establish a dynamic model of the filtration ratio. For the problem that the measured value of the filtration ratio is far less than the theoretical value in the actual hydraulic filtering system, the paper aims to find the relationship between the filtration ratio and the parameters of the hydraulic systems, such as the contamination level and the dirt-holding quantity of the filter.

Design/methodology/approach

The paper opted for the method of experimental analysis and simulation to determine the relationship between the filtration ratio and the parameters of the hydraulic system, and established a dynamic filtration ratio model.

Findings

The paper provides a preliminary model of dynamic filtration ratio, and the model shows that the filtration ratio is exponentially related to the contamination level and the dirt-holding quantity. Different filters have different influence coefficients. The filtering capacity for a certain particle size and the contamination level control of the filter for different hydraulic systems can be judged according to the dynamic balance equation of hydraulic systems.

Originality/value

The paper is useful in the selection of filters and in the precise control of the contamination level of the hydraulic system.

Keywords

Acknowledgements

This work was supported by the fundamental research fund for the Shandong University (Grant No. 2014ZQXM003). Grateful acknowledgement is given to the financial supports from the National Natural Science Foundation of China with Grant No. 51375264. This work was also partially supported by State Key Laboratory of Robotics and System (HIT) with Grant No. SKLRS-2015-MS-06, and Research Awards Fund for Excellent Young and Middle-aged Scientists of Shandong Province with Grant No. BS2013ZZ008.

Citation

Ma, G., Ning, S., Hu, Y. and Gao, j. (2016), "Dynamic balance analysis of contamination control for hydraulic systems based on dynamic filtration ratio", Industrial Lubrication and Tribology, Vol. 68 No. 1, pp. 45-51. https://doi.org/10.1108/ILT-07-2015-0105

Publisher

:

Emerald Group Publishing Limited

Copyright © 2016, Emerald Group Publishing Limited

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