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ANNA UNIVERSITY B.E. MECHANICAL ENGINEERING,SEMESTER - V,ME1301 DYNAMICS OF MACHINERY
Posted Date: 11 Dec 2007 Resource Type: Articles/Knowledge Sharing Category: Education
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Posted By: jegadesh Member Level: Gold
Rating:  Points: 1
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ME1301 DYNAMICS OF MACHINERY 3 1 0 100
(Common to Mechanical and Mechatronics-IV Semester)
OBJECTIVE
• To understand the force-motion relationship in components subjected to External Forces
• To analyse the force-motion characteristics of standard mechanisms
• To study the undesirable effects of unbalances resulting from prescribed motions in mechanism.
• To visualise the effect of Dynamics of Undesirable Vibrations
• To understand the principles in mechanisms used for governing of machines.
1. FORCE ANALYSIS 10
Rigid Body dynamics in general plane motion – Equations of motion - Dynamic force analysis - Inertia force and Inertia torque – D’Alemberts principle - The principle of superposition - Dynamic Analysis in Reciprocating Engines – Gas Forces - Equivalent masses - Bearing loads - Crank shaft Torque - Turning moment diagrams - Fly wheels –Engine shaking Forces - Cam dynamics - Unbalance, Spring, Surge and Windup.
2. BALANCING 9
Static and dynamic balancing - Balancing of rotating masses - Balancing a single cylinder Engine - Balancing Multi-cylinder Engines - Partial balancing in locomotive Engines - Balancing linkages - balancing machines
3. FREE VIBRATION 10
Basic features of vibratory systems - idealized models - Basic elements and lumping of parameters - Degrees of freedom - Single degree of freedom - Free vibration - Equations of motion - natural frequency - Types of Damping - Damped vibration critical speeds of simple shaft - Torsional systems; Natural frequency of two and three rotor systems.
4. FORCED VIBRATION 6
Response to periodic forcing - Harmonic Forcing - Forcing caused by unbalance - Support motion – Force transmissibility and amplitude transmissibility - Vibration isolation.
5. MECHANISMS FOR CONTROL 10
Governors - Types - Centrifugal governors - Gravity controlled and spring controlled centrifugal governors –Characteristics - Effect of friction - Controlling Force - other Governor mechanisms.
Gyroscopes - Gyroscopic forces and Torques - Gyroscopic stabilization - Gyroscopic effects in Automobiles, ships and airplanes
TUTORIAL 15
TOTAL : 60
TEXT BOOKS
1. Rattan S.S., "Theory of Machines", Tata McGraw-Hill Publishing Company Ltd., New Delhi, 1994.
REFERENCES
1. Thomas Bevan, "Theory of Machines", CBS Publishers and Distributors, 1984.
2. Ghosh A. and Mallick A.K., "Theory of Mechanisms and Machines", Affiliated East-West Press Pvt. Ltd., New Delhi, 1988.
3. Shigley J.E. and Uicker J.J., "Theory of Machines and Mechanisms", McGraw-Hill, Inc., 1995.
4. Rao J.S. and Dukkipati R.V., "Mechanism and Machine Theory ", Wiley-Eastern Limited, New Delhi, 1992.
5. John Hannah and Stephens R.C., "Mechanics of Machines", Viva low-Priced Student Edition, 1999.
6. Sadhu Singh “Theory of Machines” Pearson Education, 2002.
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