Elastohydrodynamic lubrication of rectangular contacts
Bernard J. Hamrock, Bo O. Jacobson, United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch
National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1983 - Technology & Engineering - 27 pages
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calculations center of pressure coefficient of determination coefficient of friction constant defined coordinate in direction couples the elasticity curvature defined in eq density Dimensionless film thickness dimensionless load parameter dimensionless materials parameter dimensionless minimum film dimensionless pressure dimensionless reduced pressure dimensionless speed parameter Dowson and Higginson Dowson ref effective elastic modulus elastic deformation elasticity and Reynolds elastohydrodynamically lubricated contacts elliptical contact equal rectangular areas equation 69 exponent film thickness obtained force components force per unit fully flooded Hamrock and Dowson Hertzian contact Hertzian pressure Higginson ref Hmin hydrodynamic lubrication Lewis Research Center load per unit lubrication theory mass flow rate minimum film thickness numerical analysis obtained from Dowson outlet parallel film shape parameters on minimum Poiseuille term pressure and film pressure distribution rectangular contact Reynolds equation rollers shear force shown in figure surface velocity tion uniform pressure values of dimensionless Variation of dimensionless viscosity written X-axis