Engineering Tutorials

EME-603 : THEORY OF MACHINES-II

UNIT I
Static & Dynamic Force Analysis
Static equilibrium of two/three force members, Static equilibrium of member with two
forces and torque, Static force analysis of linkages, D’Alembert’s principle, Equivalent
offset inertia force, Dynamic force analysis of four link mechanism and slider crank
mechanism, Engine force analysis-Piston and crank effort 5

Turning Moment & Flywheel
Turning moment on crankshaft, Turning moment diagrams-single cylinder double acting
steam engine, four stroke IC engine and multi-cylinder steam engine, Fluctuation of
energy, Flywheel 3
UNIT II
Balancing of Machines
Static and dynamic balancing, Balancing of several masses in the same plane and
different planes, Balancing of reciprocating masses, Balancing of primary force in
reciprocating engine, Partial balancing of two cylinder locomotives, Variation of tractive
force, swaying couple, hammer blow 7
UNIT III
Governors
Terminology, Centrifugal governors-Watt governor, Dead weight governors-Porter &
Proell governor, Spring controlled governor-Hartnell governor, Sensitivity, Stability,
Hunting, Isochronism, Effort and Power of governor, Controlling force diagrams for
Porter governor and Spring controlled governors 8
UNIT IV
Gyroscopic Motion
Principles, Gyroscopic torque, Effect of gyroscopic couple on the stability of aero planes
& automobiles 3
Mechanical Vibrations
Types of vibrations, Degrees of freedom, Single degree free & damped vibrations,
Forced vibration of single degree system under harmonic excitation, Critical speeds of
shaft 4

Books and References:
1. Theory of Machines – Thomas Bevan
2. Theory of Machines and Mechanisms- Shigley
3. Theory of Machines and Mechanisms-Ghosh & Mallik
4. Theory of Machines and Mechanisms- Rao & Dukkipati
5. Theory of Machines – S.S. Rattan
6. Theory of Machines – R.K. Bansal
7. Mechanics of Machines – V. Ramamurti
8. Theory of Machines – Khurmi & Gupta
9. Theory of Machines – P.L. Ballaney
10. Theory of Machines – V. P. Singh

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