Syllabus of University of Pune M.E.mech.(Design Eng) Semester II-Industrial Tribology

Industrial Tribology (Elective – IV)
(502212-B)
Teaching Scheme Examination Scheme:
Lectures: 3 Hrs per week Paper: 100 Marks
Paper Duration: 3 Hrs.

Friction and Wear:-
Friction Control and Wear prevention, Boundary Lubrication, Tribological properties of Bearing Materials and Lubricants, Theories of friction and wear, instabilities and stick-slip motion.

Lubrication of Bearings:-
Mechanics of Fluid Flow, Reynold’s Equation and its limitations, idealized bearings, infinitely long plane pivoted and fixed show sliders, infinitely long and infinitely short (narrow) journal bearings, lightly loaded infinitely long journal bearing (Petroff’s solution).

Finite Bearings:-
Hydrostatic, Hydrodynamic and thrust oil bearings, heat in bearings.

Hydrostatic squeeze film:-
Circular and rectangular flat plates, variable and alternating loads, piston pin lubrications,application to journal bearings.

Elasto-hydrodynamic Lubrication:-
Pressure-viscosity term in Reynold’s Equation, Hertz theory, Ertel-Grubin Equation,lubrication of spheres.

Air lubricated bearings:-
Tilting pad bearings, hydrostatic, hydrodynamic and thrust bearings with air lubrication.

Tribological aspects of rolling motion:-
The mechanics of tyre-road interaction, road grip and rolling resistance, Tribological aspects of wheel on rail contact, Tribological aspects of metal rolling, drawing and extrusion. Tribo characteristics of different materials, Evaluation of friction & wear through experiments under influencing parameters, pV value of materials.

Term Work
Assignments –
Design of acoustic thrust bearings, Squeeze film lubrication of piston pin, Heat balance in bearings, Reynold’s Equation

Practicals on:-
Journal Bearing Apparatus
Tilting pad and thrust Bearing Apparatus
Study of lubrication systems.
Friction in Journal Bearings.
Four Ball Tester
Coefficient of friction using pin on disc type friction monitor.
Brake line friction test rig.

Reference Books –
1. 1. Basic Lubrication Theory- A Camaron
2. Principles of Lubrication – A Camaron, Longman’s Green Co. Ltd.
3. Theory and Practice for Engineers – D. D. Fuller, John Wiley and sons.
4. Fundamental of Friction and Wear of Metals – ASM
5. The Design of Aerostatic Bearings – J. W. Powell
6. Gas Bearings – Grassam and Powell
7. Theory Hydrodynamic Lubrication Pinkush and Sterrolicht
8. Tribology in Machine Design – T. A. Stolarski

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