We report measurements of the effective tensile strength of commercial “multigrade” oils (in the SAE viscosity grades 5W-30 and 10W-40) over a range of temperatures , which are representative of those encountered under their normal operating conditions (in the range ). Also reported are the values of that are obtained for Newtonian silicone oils over a range of shear viscosities. In the experiments reported herein, samples of liquid are subjected to dynamic stressing by a pressure-tension cycle, this being a feature of the conditions experienced by a lubricant within a dynamically loaded journal bearing and the method used to estimate avoids reliance on direct measurements of substantial dynamic tensions using conventional pressure transducers.
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March 2005
Technical Papers
Cavitation Properties of Oils Under Dynamic Stressing by Tension
P. R. Williams,
P. R. Williams
Centre for Complex Fluids Processing, School of Engineering, University of Wales Swansea
, Singleton Park, Swansea SA2 8PP, UK
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R. L. Williams
R. L. Williams
Centre for Complex Fluids Processing, School of Engineering, University of Wales Swansea
, Singleton Park, Swansea SA2 8PP, UK
Search for other works by this author on:
P. R. Williams
Centre for Complex Fluids Processing, School of Engineering, University of Wales Swansea
, Singleton Park, Swansea SA2 8PP, UK
R. L. Williams
Centre for Complex Fluids Processing, School of Engineering, University of Wales Swansea
, Singleton Park, Swansea SA2 8PP, UKJ. Fluids Eng. Mar 2005, 127(2): 282-289 (8 pages)
Published Online: October 29, 2004
Article history
Received:
August 11, 2003
Revised:
October 29, 2004
Citation
Williams, P. R., and Williams, R. L. (October 29, 2004). "Cavitation Properties of Oils Under Dynamic Stressing by Tension." ASME. J. Fluids Eng. March 2005; 127(2): 282–289. https://doi.org/10.1115/1.1881692
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