ME2302 DYNAMICS OF MACHINERY lecture notes | for MECH - V semester | by R.Anirudhan

ME2302 DYNAMICS OF MACHINERY lecture notes | for MECH - V semester | by R.Anirudhan

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syllabus:
UNIT I FORCE ANALYSIS AND FLYWHEELS 
Static force analysis of mechanisms – D ' Alemberts principle - Inertia force and Inertia
torque – Dynamic force analysis - Dynamic Analysis in Reciprocating Engines – Gas
Forces - Equivalent masses - Bearing loads - Crank shaft Torque–Engine shaking
Forces - Turning moment diagrams - Flywheels of engines and punch press

UNIT II BALANCING 
Static and dynamic balancing - Balancing of rotating masses - Balancing a single
cylinder Engine – Primary and secondary unbalanced forces - Balancing Multi-cylinder
Engines – Firing order – Pivoted cradle balancing machines

UNIT III FREE VIBRATION 
Basic features of vibratory systems - Basic elements and lumping of parameters -
Degrees of freedom - Single degree of freedom - Free vibration - Equations of motion -
natural frequency - Types of Damping - Damped free vibration – Whirling of shafts and
critical speed - Torsional systems; Natural frequency of two and three rotor systems.

UNIT IV FORCED VIBRATION 
Response to periodic forcing - Harmonic Forcing – Forced vibration caused by
unbalance - Support motion – Force transmissibility and amplitude transmissibility -
Vibration isolation

UNIT V MECHANISMS FOR CONTROL 
Governors - Types - Centrifugal governors - Gravity controlled and spring controlled
centrifugal governors –Characteristics - Effect of friction - Controlling Force – Quality of
governors – effect of friction.
Gyroscopes - Gyroscopic couple - Gyroscopic stabilization - Gyroscopic effects in
Automobiles and ships
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