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Lubrication for spacecraft applications
Lubrication for Spacecraft Applications. \V. (‘. Young and 1’. J. Clauss, I.uhiii trfir~,, liilg., 23 (0) (1960) II<]-21;; .j figs., 7 tat,les, 3 refs. lxlroclynamics \vhich can occur m such ‘Ilat’ contacts: in ternls of the ~vedge analysis the contact \vas operating close to the maximum thwrelical load-carrying capacity. The implications with respect to the USC: of the pin ant1 disc Inachinc as a test rig arc discussetl and it is suggested that there might be a practical application in the tlcsign of ‘selfatljusting’ slider bearings. Film Thicknesses in Elastohydrodynamic Lubrication by Silicone Fluids. .\. Dyson and I\. I<. \Vilson. I’YVC. lid. .IIct li. Eiljir.>. , 180, I’art .3I< (l()O,j O(J) IO pp., I2 figs., ,j tables, I() wfs.
In an earlier paper It Leas shown that thv thicknesses of lubricant films in clastohylrotlvnamic contacts, as tleclucctl from the mwsurcd electrical capacltics Ixtu c-en two hc;r\-iIy-loaded rotating thscs, agreed ~~1211with theoretical values. I~3xeptions to this result \vcrc obscrvcd for a polymer solution and ;L siliconr fluid; the discrepancy twtwccn t’xpcrimcntal and theoretical film thicknesses u ith these flu]& ~vas tentatively attrli,utcshear x\‘as used to lx<‘tlict their Iwhaviour in continuous shear, under the conditions of lntcrcst in clnstoh> tlroclynnmlc lubrication. This information has been usctl to pretlict the film thickness in clastohvdrod~namic lubrication, and to COIII. pare these predictions with experimental results. .Ilthough thcrc, wvrc tliffcrcnces 111 ~lrtxll, cupcriment ant1 theory ~vcre m approximatc agrcemcnt o\‘vr most of the r;lng~’ coverctl. ‘l‘hv reasons for some of the tliscrc,panties arc> tliscussetl. Thermal Wedge Lubrication of Parallelsurface Thrust Bearings. I. (;. Curric, (‘. .I. Brocklcy ant1 1’. .\. I)vorak 7‘I~rc?/S .-IS.\l/i, 87 I) (.t) (rqr15) X2.5 8.30 (./. HUSiC fiqr.). For al,stract src .4pp/. .1/vi/i. li~i’., i!, (7) (ICJ(lb)
(‘4.3.
Temperature Variations across the Lubricant Film in Hydrodynamic Lubrication. .-I ppz, .SCi. I
(t/r) (1’)6@i~) 1 II. For al)stract (1q60) .ti2.
scv
.1pp1.
AlUlL.
lit%?.,
IO (5)
The Use of Fuel Additives for Running-in DieselEngines. I). \V. Golothan and G. C. S. \Vaghorn; l’roi-. li~st. .IIecll. I?‘izgrs., 180, Part 3 I< ir905~00) 10 pp., _j figs., 5 tables. There IS still no uni\crsall~-acceptctl m&hod of obtaining adequate running-in of piston engines. Measures adopted to rccluce wear of thr, piston rings and cylinder in sewice i’.c’.
In an earlier paper It Leas shown that thv thicknesses of lubricant films in clastohylrotlvnamic contacts, as tleclucctl from the mwsurcd electrical capacltics Ixtu c-en two hc;r\-iIy-loaded rotating thscs, agreed ~~1211with theoretical values. I~3xeptions to this result \vcrc obscrvcd for a polymer solution and ;L siliconr fluid; the discrepancy twtwccn t’xpcrimcntal and theoretical film thicknesses u ith these flu]& ~vas tentatively attrli,utc
(‘4.3.
Temperature Variations across the Lubricant Film in Hydrodynamic Lubrication. .-I ppz, .SCi. I
(t/r) (1’)6@i~) 1 II. For al)stract (1q60) .ti2.
scv
.1pp1.
AlUlL.
lit%?.,
IO (5)
The Use of Fuel Additives for Running-in DieselEngines. I). \V. Golothan and G. C. S. \Vaghorn; l’roi-. li~st. .IIecll. I?‘izgrs., 180, Part 3 I< ir905~00) 10 pp., _j figs., 5 tables. There IS still no uni\crsall~-acceptctl m&hod of obtaining adequate running-in of piston engines. Measures adopted to rccluce wear of thr, piston rings and cylinder in sewice i’.c’.