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Experimental verification of textured mechanical seal designed using multi-objective optimization

Xiuying Wang (Nanjing University of Aeronautics and Astronautics, Nanjing, Jiangsu, China)
Michael Khonsari (Louisiana State University College of Engineering, Baton Rouge, Louisiana, USA)
Siyuan Li (Nanjing University of Aeronautics and Astronautics, Nanjing, Jiangsu, China)
Qingwen Dai (Nanjing University of Aeronautics and Astronautics, Nanjing, Jiangsu, China)
Xiaolei Wang (College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics & Astronautics, Nanjing, China)

Industrial Lubrication and Tribology

ISSN: 0036-8792

Article publication date: 17 April 2019

Issue publication date: 22 August 2019

176

Abstract

Purpose

This study aims to simultaneously enhance the load-carrying capacity and control the leakage rate of mechanical seals by optimizing the texture shape.

Design/methodology/approach

A multi-objective optimization approach is implemented to determine the optimal “free-form” textures and optimal circular dimples. Experiments are conducted to validate the simulation results.

Findings

The experimental coefficient of friction (COF) and leakage rate are in good agreement with the calculated results. In addition, the optimal “free-form” texture shows a lower COF and a lower leakage in most cases.

Originality/value

This work provides a method to optimize the surface texture for a better combination performance of mechanical seals.

Keywords

Acknowledgements

This paper is supported by the Funding of Jiangsu Innovation Program for Graduate Education (No. KYLX16_0326), the Fundamental Research Funds for the Central Universities (No. NZ2016106), the National Nature Science Foundation of China (NSFC) (No. 51675268).

Citation

Wang, X., Khonsari, M., Li, S., Dai, Q. and Wang, X. (2019), "Experimental verification of textured mechanical seal designed using multi-objective optimization", Industrial Lubrication and Tribology, Vol. 71 No. 6, pp. 766-771. https://doi.org/10.1108/ILT-11-2018-0398

Publisher

:

Emerald Publishing Limited

Copyright © 2019, Emerald Publishing Limited

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