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Dynamics of Machinery by Jntu Heroes

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Note for Dynamics of Machinery - DM By JNTU Heroes

Notes for Dynamics of Machinery - DM 8

by Jntu Heroes

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SYLLABUS UNIT – I PRECESSION : Gyroscopes, effect of precession motion on the stability of moving vehicles such as motor car, motor cycle, aero planes and ships. Static and dynamic force analysis of planar mechanisms. UNIT – II FRICTION : Inclined plane, friction of screw and nuts, pivot and collar, uniform pressure, uniform wear, friction circle and friction axis : lubricated surfaces, boundary friction, film lubrication. UNIT –III Clutches: Friction clutches- Single Disc or plate clutch, Multiple Disc Clutch, Cone Clutch, Centrifugal Clutch. BRAKES AND DYNAMOMETERS : Simple block brakes, internal expanding brake, band brake ofvehicle. Dynamometers – absorption and transmission types. General description and methods of operations. UNIT – IV TURNING MOMENT DIAGRAM AND FLY WHEELS : Turning moment – Inertia Torque connecting rod angular velocity and acceleration, crank effort and torque diagrams – Fluctuation of energy – Fly wheels and their design. 1