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SYLLABUS

Unit - I :

FORCE ANALYSIS Dynamic force analysis – Inertia force and Inertia torque – D Alembert’s principle – Dynamic analysis in reciprocating engines – Gas forces – Inertia effect of connecting rod – Bearing loads – Crank shaft torque – Turning moment diagrams – Fly wheels – Flywheels of punching presses – Dynamics of cam – Follower mechanism.

Unit - II :

BALANCING Static and dynamic balancing – Balancing of rotating masses – Balancing a single cylinder engine – Balancing of multi-cylinder inline, V-engines – Partial balancing in engines – Balancing of linkages – Balancing machines – Field balancing of discs and rotors.

Unit - III :

FREE VIBRATIONs Basic features of vibratory systems – Degrees of freedom – Single degree of freedom – Free vibration – Equations of motion – Natural frequency – Types of damping – Damped vibration – Torsional vibration of shaft – Critical speeds of shafts – Torsional vibration – Two and three rotor torsional systems.

Unit - IV :

FORCED VIBRATIONs Response of one degree freedom systems to periodic forcing – Harmonic disturbances – Disturbance caused by unbalance – Support motion – Transmissibility – Vibration isolation vibration measurement.

Unit - V :

MECHANISM FOR CONTROL Governors – Types – Centrifugal governors – Gravity controlled and spring controlled centrifugal governors – Characteristics – Effect of friction – Controlling force curves. Gyroscopes – Gyroscopic forces and torques – Gyroscopic stabilization – Gyroscopic effects in Automobiles, ships and airplanes.