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Friction Force of the Sliding Surface with Pores Having a Semicircular Cross Section Form

Friction Force of the Sliding Surface with Pores Having a Semicircular Cross Section Form

Leonid Burstein
Copyright: © 2016 |Volume: 4 |Issue: 2 |Pages: 22
ISSN: 2166-7225|EISSN: 2166-7233|EISBN13: 9781466693753|DOI: 10.4018/IJSEIMS.2016070101
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MLA

Burstein, Leonid. "Friction Force of the Sliding Surface with Pores Having a Semicircular Cross Section Form." IJSEIMS vol.4, no.2 2016: pp.1-22. http://doi.org/10.4018/IJSEIMS.2016070101

APA

Burstein, L. (2016). Friction Force of the Sliding Surface with Pores Having a Semicircular Cross Section Form. International Journal of Surface Engineering and Interdisciplinary Materials Science (IJSEIMS), 4(2), 1-22. http://doi.org/10.4018/IJSEIMS.2016070101

Chicago

Burstein, Leonid. "Friction Force of the Sliding Surface with Pores Having a Semicircular Cross Section Form," International Journal of Surface Engineering and Interdisciplinary Materials Science (IJSEIMS) 4, no.2: 1-22. http://doi.org/10.4018/IJSEIMS.2016070101

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Abstract

A theoretical solution of the mathematical model is represented for obtaining the hydrodynamic pressure and friction force of the non-contacting sliding surfaces with pores having a semicircular cross section form. The expressions for the hydrodynamic pressure, shear stress, and friction force were obtained for a control cell that includes the inside and outside of the pore areas. The pore radii have been studied in the range from 0.5µm to about 18 µm. The parametric study of the pore performance is obtained with the specially written MATLAB program used the theoretically defined expressions. It is found that better performance in terms of positive hydrodynamic pressure and optimal friction forces can be achieved with proper selection of pore and outside of pore sizes. Better hydrodynamic pressures were observed at the gap-pore radii and cell-pore radii ratios range between 0.5 … 1 and 2.5 … 5, respectively. The maximal friction forces are achieved at pore radii values about 0.64 of the cell dimensions, which correspond to a r1 range of about 5 … 13 µm.

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