ME60412: Tribology

ME60412
Course name	Tribology
Offered by	Mechanical Engineering
Credits	4
L-T-P	3-1-0
Previous Year Grade Distribution
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Semester	Spring

Syllabus

Syllabus mentioned in ERP

Introduction, economic aspects, lubrication of bearings, friction control and wear prevention. Properties and testing of lubricants. Mechanics of fluid flow - Reynolds equation and its limitations. Idealized bearings : Infinitely long plane pivoted shoe and fixed shoe sliders, Infinitely long journal bearings, Infinitely short (narrow) bearings, Lightly loaded infinitely long journal bearing (Petroffssolution). Finite bearings : Approximate analytical solution, Numerical solution and Electrical analogy method. Hydrostatic oil bearings : Thrust and journal bearings. Squeeze film bearings. Gas-lubricated bearings; hydrodynamic bearings, hydrostatic bearings porous bearings. Elastohydrodynamic lubrication. Fluid inertia and turbulence and hydrodynamic instability. Friction and wear of metals.