Syllabus - Dynamics of Machine (ME-503 (B))

Mechanical Engineering

Dynamics of Machine (ME-503 (B))

V-Semester

Unit 1

Dynamics of Engine Mechanisms

Displacement, velocity and acceleration of piston; turning moment on crankshaft, turning moment diagram; fluctuation of crankshaft speed, analysis of flywheel.

Unit 2

Governor Mechanisms

Types of governors, characteristics of centrifugal governors, gravity and spring controlled centrifugal governors, hunting of centrifugal governors, inertia governors.

Unit 3

Balancing of Inertia Forces and Moments in Machines

Balancing of rotating masses, two plane balancing, determination of balancing masses (graphical and analytical methods), balancing of rotors, balancing of internal combustion engines (single cylinder engines, in-line engines, V-twin engines, radial engines, Lanchester technique of engine balancing.

Unit 4

Friction

Frictional torque in pivots and collars by uniform pressure and uniform wear rate criteria. Boundary and fluid film lubrication, friction in journal and thrust bearings, concept of friction circle and axis, rolling friction. Clutches: Single plate and multi plate clutches, Cone clutches.

Unit 5

Brakes

Band brake, block brakes, Internal and external shoe brakes, braking of vehicles. Dynamometer: Different types and their applications. Dynamic Analysis of Cams: Response of un-damped cam mechanism (analytical method), follower response analysis by phase-plane method, jump and cross-over shock.

Practicals

  • Study of various models of governors

  • Study of gyroscopic motion and calculation of value of gyroscopic couple

  • Study of various types of Cams and followers and drawing the cam profile with the help of test kit

  • Study of various first order vibration systems

  • To study working of friction clutches using models

Reference Books

  • Ambekar, AG; Mechanism and Machine Theory; PHI

  • Rattan SS; Theory of machines; TMH

  • Sharma and Purohit; Design of Machine elements; PHI

  • Bevan; Theory of Machines;

  • Ghosh and Mallik; Theory of Mechanisms and Machines; Affiliated East-West Press, Delhi

  • Norton RL; kinematics and dynamics of machinery; TMH

  • Grover; Mechanical Vibrations

  • Balaney; Theory of Machines by

  • Theory of Vibrations by Thomson