On the Numerical Determination of Flow Factors-Reference-Cited by-同舟云学术

On the Numerical Determination of Flow Factors

Published:1997-04-01 Issue:2 Volume:119 Page:259-264
ISSN:0742-4787
Container-title:Journal of Tribology
language:en
Short-container-title:

Author:

Peeken H. J.¹,Knoll G.²,Riena¨cker A.²,Lang J.²,Scho¨nen R.²

Affiliation:

1. RWTH Aachen, Am Pannhaus 1, 52072 Aachen, Germany

2. Lehrstuhl fu¨r Maschinenelemente und Tribologie, Univ. Gh Kassel, Mo¨nchebergstr. 3, 34125 Kassel, Germany

Abstract

The paper focuses on the numerical determination of Patir and Cheng’s flow factors for general roughness patterns. Improved procedures for the generation of surface roughness and flow simulation are presented. It is shown that application of these techniques resolves differences to analytical solutions of Elrod and Tripp and reduces the scatter in the results to a reasonable degree. Flow factor charts are given for the ‘standard’ Gaussian/Peklenik roughness and for sintered surfaces with high skewness.

Publisher

ASME International

Subject

Surfaces, Coatings and Films,Surfaces and Interfaces,Mechanical Engineering,Mechanics of Materials

Link

http://asmedigitalcollection.asme.org/tribology/article-pdf/119/2/259/5509884/259_1.pdf

Reference22 articles.

1. Bayada G. , and ChambatM., 1988, “New Models in the Theory of the Hydrodynamic Lubrication of Rough Surfaces,” ASME JOURNAL OF TRIBOLOGY, Vol. 110, pp. 402–407.

2. Berthe D. , and GodetM., 1973, “A More General Form of Reynolds Equation—Application to Rough Surfaces,” Wear, Vol. 27, pp. 345–357.

3. Booker J. F. , and HuebnerK. H., 1972, “Application of Finite Element Methods to Lubrication: An Engineering Approach,” ASME JOURNAL OF LUBRICATION TECHNOLOGY, Vol. 94, pp. 313–323.

4. Booker J. F. , 1989, “Basic Equations for Fluid Films with Variable Properties,” ASME JOURNAL OF LUBRICATION TECHNOLOGY, Vol. 111, pp. 475–483.

5. Christensen H. , and To̸nderK., 1971, “The Hydrodynamic Lubrication of Rough Bearing Surfaces of Finite Width.” ASME JOURNAL OF LUBRICATION TECHNOLOGY, Vol. 93, pp. 324–330.

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