MTech Advanced Bearings And Rotor Dynamics syllabus for 3 Sem 2020 scheme 20MAP321

Module-1 Introduction to bearings 0 hours

Introduction to bearings:

Introduction to Fluid Film Bearings, Anti friction bearings, Advanced Bearings and Rotor dynamics. Variable geometry tilted pad bearings, Fluid film bearing dynamic coefficients & load bearing capability and methods of obtaining them, Influence of preload on the dynamic coefficients of journal bearings.

Module-2 Fundamentals of rotor dynamics 0 hours

Fundamentals of rotor dynamics:

Objective of Rotor dynamic Analysis, Concept of rigid and flexural critical speeds and mode shapes, External Dampers, Single degree spring-mass-damper system analysis as applied to Jeffcott rotors. Bending Critical Speeds of Simple Shafts, whirling of an unbalanced simple elastic rotor, Transfer Matrix Analysis for bending Critical Speeds, Effect of axial stiffness

A d v e r t i s e m e n t
Module-3 Concepts of rotating machinery 0 hours

Concepts of rotating machinery:

Torsional vibrations in rotating machinery, modeling of rotating machinery shafting, Transfer matrix analysis for free vibration, equivalent discrete system, transient response in torsional vibration. Hydrodynamic Bearings, Viscosity, mechanism of pressure development in the film, a simple rotor in fluid film bearing, optimum design of bearings, Shafts with dissimilar moment of inertia.

Module-4 Application of smart materials in rotor dynamics 0 hours

Application of smart materials in rotor dynamics:

Introduction to Smart Materials, Structures and Products Technologies. Overview of application of smart materials to rotor dynamics. Shape Memory Materials, FiberOptic Sensors.

Module-5 Case Studies 0 hours

Case Studies:

Ball and Rolling element bearing, Bearing support design for a typical aero engine, FEM methods, Different Types of Models, Bearing and Seal Metrics, Torsional and Axial Models, Transient response using FEM software.

 

Course outcomes:

At the end of the course the student will be able to:

1. Apply the fundamentals of bearings and rotor dynamics 2. Distinguish vibration related phenomenon in bearings and their challenges

3. Apply bearing materials, sensors and measurements

 

Question paper pattern:

The SEE question paper will be set for 100 marks and the marks scored will be proportionately reduced to 60.

  • The question paper will have ten full questions carrying equal marks.
  • Each full question is for 20 marks.
  • There will be two full questions (with a maximum of four sub questions) from each module.
  • Each full question will have sub question covering all the topics under a module.
  • The students will have to answer five full questions, selecting one full question from each module.

 

Textbook/ Textbooks

1 Rotor dynamics JS Rao New Age International Publishers 3 rd edition &2018

2 Machinery Vibration and rotor Dynamics John Vance, Fouad Zeidan and Brian Murphy John Wiley & Sons 1 st edition &2010

 

Reference Books

1 Rotor Dynamics Agnieszka Muszyńska CRC Press 1 st edition &2005

2 Rotor Dynamics of Turbo machinery John M. Vance John Wiley & Sons 1 st edition &1988

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