3. Hydrodynamic lubrication of the rigid cylinder
3.1 Isoviscous regime – Martin's theory (1916)
After studying the lubrication of gears, in 1916 H.M Martin presented the study of contact between a long cylinder and a plane, assuming the surfaces to be undeformable and the fluid viscosity to be constant .
Consider two long cylinders of length Lo, with parallel axes and radii R1 and R2, driven in rotation and which have in the contact zone the tangential linear velocities u1 and u2 (see figure
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Hydrodynamic lubrication of the rigid cylinder
EHD linear contact lubrication
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