BE Automobile Engineering Semester 7 (BE Fourth Year)University of Mumbai

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Tribology Semester 7 (BE Fourth Year) BE Automobile Engineering University of Mumbai Topics and Syllabus

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CBCGS [2019 - current]
CBGS [2015 - 2018]
Old [2000 - 2014]

Topics with syllabus and resources

100.00 Module 1
101.00 Introduction to Tribology
  • Introduction to Tribology,
  • Tribology in design,
  • Tribology in industry,
  • economic aspects of Tribology,
  • lubrication, basic modes of lubrication,
  • lubricants, properties of lubricants-physical and chemical,
  • types of additives,
  • extreme pressure lubricants,
  • recycling of used oils and oil conservation,
  • disposal of scrap oil, oil emulsion.
  • Types of sliding contact bearings,
  • comparison of sliding and rolling contact bearings
200.00 Module 2
201.00 Friction and Wear
  • Friction: Introduction, laws of friction,
  • kinds of friction, causes of friction,
  • friction measurement,
  • theories of friction,
  • effect of surface preparation.
  • Wear: Types of wear, various factors affecting wear,
  • measurement of wear,
  • wear between solids and liquids,
  • theories of wear.
300.00 Module 3
301.00 Hydrodynamic Lubrication
  • Theory of hydrodynamic lubrication,
  • mechanism of pressure development in oil film,
  • two-dimensional Reynold„s equation,
  • infinitely long journal bearing,
  • infinitely short journal bearing,
  • finite bearing Hydrodynamic thrust bearing: Introduction,
  • flat plate thrust bearing,
  • pressure equation,
  • load, center of pressure,
  • friction in tilting pad thrust bearing.
400.00 Module 4
401.00 Hydrostatic Lubrication
  • Hydrostatic lubrication: Basic concept, advantages and limitations,
  • viscous flow through rectangular slot,
  • load carrying capacity and flow requirement of hydrostatic step bearing,
  • energy losses, optimum design of step bearing.
  • Compensators and their actions.
  • Squeeze film lubrication: Introduction,
  • circular and rectangular plates approaching a plane
500.00 Module 5
501.00 Elasto-hydrodynamic Lubrication and Gas Lubrication
  • Elastohydrodynamic Lubrication: Principle and application,
  • pressureviscosity term in Reynolds equation,
  • Hertz theory.
  • Ertel- Grubin Equation Gas lubrication: Introduction,
  • merits and demerits, applications.
  • Lubrication in metal working: Rolling, forging, drawing and extrusion.
  • Bearing materials, bearing constructions, oil seals, shields and gaskets
600.00 Module 6
601.00 Surface Engineering
  • Introduction to surface engineering,
  • concept and scope of surface engineering,
  • manufacturing of surface layers,
  • solid surface geometrical,
  • mechanical and physic chemical concepts,
  • superficial -layer,
  • development of concept,
  • structure of superficial layer,
  • general characteristics of superficial layer,
  • obtained by machining,
  • strengthening and weakening of superficial layer

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