Isothermal Elastohydrodynamic Theory for the Full Range of Pressure-viscosity Coefficient |
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Page 1
... Dowson and Higginson [ 5 ] , Archard and Cowking [ 6 ] and Crook [ 7 ] , and Cheng [ 8 ] . Within the range of moderate speeds and loads ( below 500 in / sec ( 12.7 m / sec ) and 100,000 psi ( 6.89 x 108 N / m2 ) max . Hertz stress for ...
... Dowson and Higginson [ 5 ] , Archard and Cowking [ 6 ] and Crook [ 7 ] , and Cheng [ 8 ] . Within the range of moderate speeds and loads ( below 500 in / sec ( 12.7 m / sec ) and 100,000 psi ( 6.89 x 108 N / m2 ) max . Hertz stress for ...
Page 3
... Dowson and Higginson [ 5 ] , Crook [ 7 ] , Archard and Cowking [ 6 ] , and Cheng [ 8 ] , are listed in Table 1. It is seen that the agreement among various theories is very good with regard to load or speed dependence . III . GOVERNING ...
... Dowson and Higginson [ 5 ] , Crook [ 7 ] , Archard and Cowking [ 6 ] , and Cheng [ 8 ] , are listed in Table 1. It is seen that the agreement among various theories is very good with regard to load or speed dependence . III . GOVERNING ...
Page 10
... Dowson and Higginson [ 4 ] , and based on more recent isoviscous formulae by Herrebrugh [ 16 ] , and Bell and Kannel [ 21 ] . In these figures , the minimum film thicknesses are plotted against the maximum Hertzian pressure . In ...
... Dowson and Higginson [ 4 ] , and based on more recent isoviscous formulae by Herrebrugh [ 16 ] , and Bell and Kannel [ 21 ] . In these figures , the minimum film thicknesses are plotted against the maximum Hertzian pressure . In ...
Common terms and phrases
Archard BELL & KANNEL Bell and Kannel calculated film corrected center film thickness central film thickness composite exponential model corrected for thermal dependence of film dimensionless direct integration Disk temperature DOWSON & HIGGINSON Dowson-Higginson formula Effect of load EHD FILM THICKNESS EHD theories EHL FILM Elastohydrodynamic Lubrication elliptical contact film and calculated film thickness formula heavy loads Herrebrugh Herrebrugh 16 Hertzian high loads hmin inlet region Inlet Solutions isothermal EHD KANNEL 21 load exponent load on central Lubrication and Wear Lubrication of Rolling Maximum Hertz stress measured film Measured minimum film Mech minimum film thickness N/M² Figure Newton-Raphson method NOMINAL FILM non-dimensional pressure and film pressure-viscosity coefficient pressure-viscosity dependence pressure-viscosity parameter rollers rolling speed subregion SYNTHETIC PARAFFINIC LUBRICANT thermal conductivity thermal effects thermal reduction factor thickness with rolling values of G Variation of central viscosity Wear Group Symposium WSON ӘР כן لس