2D CFD Analysis of Micro Arc-Groove on the Surface of Tribopairs

Abstract:

Article Preview

The objective of the literature is to investigate the influence of micro-arc grooves on the surfaces of the sliding tribopairs by plain pads to hydrodynamic lubrication. This is accomplished by the CFD-approach (computational fluid dynamic approach) where the momentum and continuity equations are solved separately, laminar model and SIMPLE algorithm in theory of Control Volume Method are adopted, and the rheology is assumed to be Newtonian. For various widths and depths of micro arc-grooves, the load supporting capacity of oil-film is calculated in the form of a net total force and static pressure, the friction is compared by the stress of smooth wall, and the dynamical pressure of the upper walls is shown. It will be found that width has more influences than depths to hydrodynamic lubrication, and relative parameters change monotonously with the depth of arc groove. Moreover, given primary film thickness as 6μm, within physically reasonable range of the parameters (depth and width of groove), i.e. in addition to w=40μm, hp=5μm~15μm, the effect of texturing arc-grooves on improvement of tribological properties will be conspicuous.

Info:

Periodical:

Edited by:

Long Chen, Yongkang Zhang, Aixing Feng, Zhenying Xu, Boquan Li and Han Shen

Pages:

614-618

DOI:

10.4028/www.scientific.net/KEM.464.614

Citation:

P. Y. Zhang et al., "2D CFD Analysis of Micro Arc-Groove on the Surface of Tribopairs", Key Engineering Materials, Vol. 464, pp. 614-618, 2011

Online since:

January 2011

Export:

Price:

$35.00

[1] A. Hoppermann, M. Kordt: Oelhydraulik und Pneumatik Vol. 46(2002), pp.1-4.

[2] I. Etsion: Journal of Tribology Vol. 127(2005). pp.231-234.

[3] A. Voevodin, J.S. Zabinski: Wear Vol. 261(2006), pp.1285-1292.

[4] L. JIANG, H. S CHEN: Journal of Tribology Vol. 129(2007), pp.963-967.

[5] D. C SUN , in: Lubrication mechanics lecture notes, edited by Friendship Publishing Company of China, Beijing,China (1991).

[6] Odyck. et al.: ASME J. Tribol. Vol. 125(2003), p.121–134.

[7] HU Yong, Raj Balendra:IEEE Forum (2009).

[8] KIMURA, TAKEYOSHI: AIAA Journal Vol. 29(1991), p.2062-(2068).

[9] Y. Yamagishi: Journal of Visualization Vol. 10(2007), pp.179-186.

In order to see related information, you need to Login.