THEORY OF MACHINES

Here we are provided this recorded video course which is cover following topics suggested by university syllabus.

GUJARAT TECHNOLOGICAL UNIVERSITY

MECHANICAL ENGINEERING

B.E. 5TH Semester

Subject Code: 2151902

THEORY OF MACHINES

  1. Gyroscope: Principle of gyroscope, Definition of axes, active and reactive couples; Roll, Yaw and Pitch motions; Gyroscopic effect in a rotor, two wheelers, Four wheelers, ship and Airplane.
  2. Friction Devices: Clutches, Brakes and Dynamometers: Classification of clutches, torque transmission capacity, consideration for uniform wear and uniform pressure theory, single plate and multi-plate clutch, centrifugal clutch. Energy equation and thermal considerations. Classification of brakes, Braking effect, Analysis of Brakes: Block Brake, Band Brake, Band and Block brake, Internal expansion shoe brake; Braking analysis of four wheelers. Classification of Dynamometers, Analysis of Dynamometers: Prony brake, Rope brake, Hydraulic, Belt Transmission, Epicyclic- Train and Bevis-Gibson torsion.
  3. Flywheels: Significance of flywheels, turning moment and crank effort diagrams for reciprocating machines, coefficient of fluctuation of speed and energy, limiting velocity of flywheels, Design of flywheels for engine and punching machines.
  4. Governors: Necessity of governor, Classification of Governors, Working principle of centrifugal governors, Concept of control force, Control force diagram, Stability of governor, Condition for stability, Concept of isochronism, Sensitivity of governor, Characteristic of governors, Hunting of governors.
  5. Introduction to Dynamics: Newton’s Laws of Motion, Applied and constraint forces, Free body diagram, conditions for equilibrium, Two and Three forces members, four force members, Friction force, Static force analysis with friction. Centroid and Centre of Mass, Mass Moments and product of inertia, Inertia forces and D’Alembert’s Principle. Planar rotation about fixed center, shaking forces and moments, Complex algebra approach, Equation of motion. Application of concepts to dynamic analysis of slider-crank mechanisms and 4-bar mechanisms. Spatial: Measuring mass moments of Inertia, Transformation of Inertia axes, Euler’s equation of motion, Impulse and momentum, Angular impulse and momentum.

 

 

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Course available for 180 days
Enrolled: 2 students
Lectures: 81

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