JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
III Year B.Tech. ME - I Sem L T/P/D C
4 -/-/- 4
(A50317) DYNAMICS OF MACHINERY
UNIT - I:
Angular Motion: Gyroscopes - effect of precession - motion on the stability of moving vehicles such as motorcycle - motorcar - aero planes and ships. Static and Dynamic Force Analysis of planar mechanisms.
UNIT - II:
Friction: Inclined plane - Friction of screw and nuts - Pivots and collars - uniform pressure, uniform wear - friction circle and friction axis: lubricated surfaces - boundary friction - film lubrication, Clutches, Single plate, multi plate, cone clutch, centrifugal clutches.
Brakes And Dynamometers: Simple block brake - Internal expanding brake band brake of vehicle. Dynamometers - absorption and transmission types, General description and methods of operation.
UNIT - III:
Turning Moment Diagram and Flywheels: Turning moment- Interia torque- connecting rod angular velocity and acceleration-crank effort and torque diagrams-fluctuation of energy - flywheels and their
Governors: Watt, Porter and Proell governors- Spring loaded governors - Hartnell and Hartung with auxiliary springs- Sensitiveness, isochronisms and hunting- effort and power of the governors.
UNIT - IV:
Balancing: Balancing of rotating masses- Primary, Secondary, and higher balancing of reciprocating masses. Analytical and graphical methods. Unbalanced forces and couples. Examination of "V" and multi cylinder inline and radial engines for primary and secondary balancing- locolotive balancing - Hammer blow - Swaying couple - variation of tractive effort.
UNIT - V:
Vibrations: Free Vibration of mass attached to vertical soring - oscillation of pendulums- Transverse loads - vibrations of beams with concentrated and distributed loads. Dunkerly's method - Raleigh's method. Whiirling of shafts - critical speed - torsional vibrations - one, two and three rotor systems.
TEXT BOOKS:
- Theory of Machines / S. S. Rattan / Mc Graw Hill.
- Theory of Mechanism and Machines / Jagdish Lal / Metropolitan Book Company.
REFERENCES BOOKS:
- Theory of Machines / Shigley / Mc Graw Hill Publishers.
- Theory of Machines / Thomas Bevan / Pearson.
- Theory of Machines / R. K. Bansal / Lakshmi Publications / 5th Edition
- Mechanism and Machine Theory / JS Rao and RV Duggipati / New Age.
- Theory of Machines / Sadhu Singh / Pearson / 3rd Edition.
- Mechanism and Machine Theory / Ashok G. Ambekar / PHI / Eastern Economy Edition.
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CreatedJun 13, 2015
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UpdatedJun 13, 2015
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