Thermal Elastohydrodynamic Lubrication of Heavily Loaded Line Contacts—An Efficient Inlet Zone Analysis-Reference-Cited by-同舟云学术

Thermal Elastohydrodynamic Lubrication of Heavily Loaded Line Contacts—An Efficient Inlet Zone Analysis

Published:1998-01-01 Issue:1 Volume:120 Page:119-125
ISSN:0742-4787
Container-title:Journal of Tribology
language:en
Short-container-title:

Author:

Ghosh Mihir K.¹,Pandey Raj K.¹

Affiliation:

1. Mechanical Engineering Department, Institute of Technology, Banaras Hindu University, Varanasi- 221005, India

Abstract

An inlet zone analysis of TEHD lubrication of heavily loaded line contacts has been done using a computationally efficient and accurate numerical method based on Lobatto quadrature developed by Elrod and Brewe (1986). The results under extremely heavy conditions of dimensionless load W = 5.2*10−4 (pH = 2.0 GPa) and dimensionless rolling velocity U = 2.0*10−10(50 m/s) are presented. Significant reduction in thermal reduction factor (film thickness) at high rolling speeds relative to isothermal conditions have been observed. The results of the present work have been compared with the results of Wilson and Sheu (1983) and Hsu and Lee (1994). A correction formula of the thermal reduction factor for the minimum film thickness has been derived for a range of thermal loading parameters, loads, and slip ratios.

Publisher

ASME International

Subject

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

Link

http://asmedigitalcollection.asme.org/tribology/article-pdf/120/1/119/5620921/119_1.pdf

Reference25 articles.

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2. Cheng H. S. , 1965, “A Refined Solution to the Thermal Elastohydrodynamic Lubrication of Rolling and Sliding Cylinders,” ASLE Trans., Vol. 8, pp. 379–410.

3. Cheng, H. S., 1967, “Calculation of Elastohydrodynamic Film Thickness in High Speed Rolling and Sliding Contacts,” Mechanical Technology Incorporated, Latham, New York, AD-652924.

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