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Comparison Of Conventional And Microasperity Elastohydrodynamic Lubrication Of A Ball Spinning In A Nonconforming Groove
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Book Synopsis Comparison of Conventional and Microasperity Elastohydrodynamic Lubrication of a Ball Spinning in a Nonconforming Groove by : Charles W. Allen
Download or read book Comparison of Conventional and Microasperity Elastohydrodynamic Lubrication of a Ball Spinning in a Nonconforming Groove written by Charles W. Allen and published by . This book was released on 1972 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: An analysis was developed for the microasperity elastohydrodynamic lubrication of a ball spinning in a nonconforming groove. This analysis was compared to the conventional elastohydrodynamic analysis of a ball spinning in a nonconforming groove. Rheological models for a di-2-ethylhexyl sebacate, a super-refined naphthenic mineral oil, and a polyphenyl ether (5P4E) were constructed from spinning torque data by using both analyses. The value of the lubricant pressure-viscosity coefficient that makes the data fit the analyses of the fluids differs somewhat from published data. For all three lubricants, an exponential composite model best described the lubricant rheology. Good agreement existed with the experimental and analytical values of torque for both the conventional and microasperity elastohydrodynamic analysis for a spinning ball in a nonconforming groove.
Book Synopsis Monthly Catalogue, United States Public Documents by :
Download or read book Monthly Catalogue, United States Public Documents written by and published by . This book was released on 1972 with total page 978 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA Technical Note written by and published by . This book was released on 1973 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1972 with total page 542 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1972 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalog of United States Government Publications by :
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on with total page 1386 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalog of United States Government Publications, Cumulative Index by : United States. Superintendent of Documents
Download or read book Monthly Catalog of United States Government Publications, Cumulative Index written by United States. Superintendent of Documents and published by . This book was released on 1976 with total page 1466 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis New Generalized Rheological Model for Lubrication of a Ball Spinning in a Nonconforming Groove by : Charles W. Allen
Download or read book New Generalized Rheological Model for Lubrication of a Ball Spinning in a Nonconforming Groove written by Charles W. Allen and published by . This book was released on 1973 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: The elastohydrodynamic theory for predicting the spinning friction of a ball in a nonconforming groove was modified to incorporate a rheological model. The rheological model is based on the exponential pressure viscosity relation for low shear stresses, but at high shear rates and pressures, the relation is altered to one in which the shear stress is porportional to the normal stress. The model was fitted to experimental spinning torques for four different lubricants: a synthetic paraffinic lubricant, di-2-ethylhexyl sebacate, a super-refined naphthenic mineral oil, and a polyphenyl ether (5P4E). Good agreement between the model and experiment was found.
Book Synopsis ASME 69-LUBS-11 by : Charles William Allen
Download or read book ASME 69-LUBS-11 written by Charles William Allen and published by . This book was released on 1969 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Microasperity Model for Elastohydrodynamic Lubrication of a Spinning Ball on a Flat Surface by : Charles W. Allen
Download or read book Microasperity Model for Elastohydrodynamic Lubrication of a Spinning Ball on a Flat Surface written by Charles W. Allen and published by . This book was released on 1970 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: A microasperity elastohydrodynamic (EHD) model was developed for a ball spinning without rolling on a f l a t surface. The theory was developed by using a sinusoidal surface model in conjunction with existing dry- contact deformation theory and point-contact elastohydrodynamic theory for the microasperities. The computed torques based on this model were compared with experimental torques using the NASA spinning torque apparatus. Fair agreement was obtained between theoretical and experimental results below 300 000 psi maximum Hertz stress. Based on the model presented herein microasperity EHD lubrication does not appear to be a primary force in maintaining separation between the opposing surfaces.
Book Synopsis Friction Losses in a Lubricated Thrust-loaded Cageless Angular-contact Bearing by : Dennis P. Townsend
Download or read book Friction Losses in a Lubricated Thrust-loaded Cageless Angular-contact Bearing written by Dennis P. Townsend and published by . This book was released on 1973 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Aeronautical Journal written by and published by . This book was released on 1972 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Cumulative Title Index to United States Public Documents, 1789-1976 by : Daniel W. Lester
Download or read book Cumulative Title Index to United States Public Documents, 1789-1976 written by Daniel W. Lester and published by . This book was released on 1980 with total page 560 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Announcements by :
Download or read book Government Reports Announcements written by and published by . This book was released on 1972 with total page 934 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Journal of Lubrication Technology by :
Download or read book Journal of Lubrication Technology written by and published by . This book was released on 1974 with total page 1350 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Microasperity Model for Elastohydrodynamic Lubrication of a Spinning Ball on a Flat Surface by : Charles W. Allen
Download or read book Microasperity Model for Elastohydrodynamic Lubrication of a Spinning Ball on a Flat Surface written by Charles W. Allen and published by . This book was released on 1970 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt: A microasperity elastohydrodynamic (EHD) model was developed for a ball spinning without rolling on a f l a t surface. The theory was developed by using a sinusoidal surface model in conjunction with existing dry- contact deformation theory and point-contact elastohydrodynamic theory for the microasperities. The computed torques based on this model were compared with experimental torques using the NASA spinning torque apparatus. Fair agreement was obtained between theoretical and experimental results below 300 000 psi maximum Hertz stress. Based on the model presented herein microasperity EHD lubrication does not appear to be a primary force in maintaining separation between the opposing surfaces.
Download or read book Government Reports Index written by and published by . This book was released on 1972 with total page 1076 pages. Available in PDF, EPUB and Kindle. Book excerpt:
