ME 1702 : VIBRATION AND NOISE CONTROL 

Syllabus

Module I 
Introduction to mechanical vibrations: Free vibrations, Response of single degree of freedom system, Viscous damping, Under damped, Critically damped and Over damped vibrations, Forced vibrations, Support excited 
motion, Rotating Unbalance, Coulomb damping 

Module II 
Multi degree freedom systems: two degree of freedom and three degree of freedom spring mass systems, Matrix formulation, Eigen value problems, Mode shapes, Coordinate Coupling, Lagrange’s equations. Torsional vibratory systems, Torsionally equivalent shaft, Two rotor system, Three rotor system, Geared system, Location of Nodes, Frequency of torsional vibration. Vibration isolation, Measurement of vibration, Accelerometer and Seismometer. 

Module III 
Transverse vibration of shafts, Whirling speed of shafts, Approximate methods to analyse vibratory system: Rayleigh's energy method, Dunkerleys method. Vibration of continuous systems: exact methods, boundary value problem, Eigen value problem, Axial vibration of rods, Transverse vibration of beams. 

Module IV 
Noise, Sound level meter scales, Psychophysical indices, Equivalent sound level, Noise and loss of hearing, Normal hearing and hearing loss, Temporary hearing loss from continuous noise, Permanent haring loss from continuous noise, Physiological effects of noise, Specific effects of noise, Noise exposure limits, Continuous and intermittent noise, Impulse noise, Annoyance of noise, Noise control; control at the source, control at the receiver, control along the path. 

References: 
1. Mechanical Vibrations – S. S. Rao, Pearson education 
2. Human Factors in engineering and design- Mark S Sanders, Ernest J Mc.Cormick, McGraw Hill series 
3. Theory of Vibrations with applications – W. T. Thomson, CBS Publishers 
4. Principles of Vibration – Benson H Tongue, Oxford University Press 
5. Theory of Vibration – An Introduction – A A Shabana –Springer Intl Edition 
6. Principles of Vibration & Sound – T.D Rossing & N.H Flectcher Springer 
7. Mechanical Vibrations and Noise Engineering – A.G Ambekar, PHI 
8. Mechanical Vibrations– Nag, PHI 

Type of Questions for University Exam.
Q 1.Eight short answer questions of 5 marks with two questions from each of the four modules. (8x5 = 40 marks) 
Q 2. to Q.5 : Two questions A & B of 15 marks from each modules with option to answer either A or B. (4x15 = 60 marks)