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 L ₒ, with parallel axes and radii R ₁ and R ₂, driven in rotation and having in the contact zone the tangential linear velocities u ₁ and u₂ (see figure
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Hydrodynamic lubrication of the rigid cylinder
EHD linear contact lubrication
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