1977
DOI: 10.1115/1.3453074
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Isothermal Elastohydrodynamic Lubrication of Point Contacts: Part III—Fully Flooded Results

Abstract: Utilizing the theory developed by the authors in an earlier publication, the influence of the ellipticity parameter, the dimensionless speed, load, and material parameters on minimum film thickness was investigated. The ellipticity parameter was varied from one (a ball on a plate configuration) to eight (a configuration approaching a line contact). The dimensionless speed parameter was varied over a range of nearly two orders of magnitude. The dimensionless load parameter was varied over a range of one order o… Show more

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Cited by 926 publications
(550 citation statements)
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“…The lubricant film thickness, h is determined from the relations of Hamrock and Dowson [7]. The division of these expressions then leads to an effective concentration of particles in the contact (expressed as particle mass per unit fluid volume).…”
Section: Resultsmentioning
confidence: 99%
“…The lubricant film thickness, h is determined from the relations of Hamrock and Dowson [7]. The division of these expressions then leads to an effective concentration of particles in the contact (expressed as particle mass per unit fluid volume).…”
Section: Resultsmentioning
confidence: 99%
“…The lubricant film thickness was not measured but was calculated using the Hamrock and Dowson [35] equations for film thickness in elliptical contacts for materials of low elastic modulus. For the circular contact of interest in this study, these equations reduce to;…”
Section: Friction By Sm In Fully Flooded (Ff) Conditionsmentioning
confidence: 99%
“…This is in accordance with the fact that the solution should, in some way, approach the Hertzian solution for the dry contact. This also explains the increasing radial symmetry of the pressure in circular contacts with increasing load and/or decreasing speed [2,14,15]. Accurate numerical solutions for such cases require at least locally very fine meshes.…”
Section: Introductionmentioning
confidence: 99%
“…We will start with a film thickness study. From the literature [2], it is known that the film thickness in the Piezoviscous Elastic regime is inversely proportional to ffiffiffiffi ffi M 16 p . In order to quantify the dimensionless film thickness in the inlet, one uses the inlet layer width information gained in earlier sections and an H parameter defined using ffiffiffiffi ffi M 16 p : Figure 15 shows all film thickness profiles to be superimposed using the HðXÞ inlet description.…”
Section: Quantitative Inlet Boundary Analysismentioning
confidence: 99%
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