VIbrations and Noise Engineering detailed Syllabus for Mechanical Engineering (ME), 2018 scheme has been taken from the VTUs official website and presented for the VTU students. For Course Code, Teaching Department, Paper Setting Board, Theory Lectures, Tutorial, Practical/Drawing, Duration in Hours, CIE Marks, Total Marks, Credits and other information, visit full semester subjects post given below. The Syllabus PDF files can also be downloaded from the official website of the university.
For all the other VTU 6th Sem ME Syllabus for BE 2018 Scheme, do visit Mechanical Engineering 6th Sem 2018 Scheme. For all the Professional Elective-1 subjects refer to Professional Elective-1 Scheme. The detail syllabus for vibrations and noise engineering is as follows.
Course Learning Objectives:
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Module-1
Forced vibrations (1DOF): Introduction, analysis of forced vibration with constant harmonic excitation, MF, rotating and reciprocating unbalances, excitation of support (Relative and absolute amplitudes), force and motion transmissibility, energy dissipated due to damping and numerical problems. Systems with 2DOF: Principal modes of vibrations, normal mode and natural frequencies of systems (Damping is not included), simple spring-mass systems, masses on tightly stretched strings, double pendulum, tensional systems, combined rectilinear and angular systems, geared systems and numerical problems.
Module-2
Numerical methods for multi DOF systems: Maxwell’s reciprocal theorem, influence coefficients, Rayleigh’s method, Dunkerley’s method, stodola method, orthogonality principle, method of matrix iteration and numerical. Modal analysis and condition monitoring: signal analysis, dynamic testing of machines and structures,
Module-3
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Module-4
Transient Vibration of single Degree-of freedom systems: Impulse excitation, arbitrary excitation, Laplace transforms formulation, Pulse excitation and rise time, Shock response spectrum, Shock isolation. Noise Engineering: Subjective response of sound: Frequency and sound dependent human response; the decibel scale; relationship between , sound pressure level(SPL), sound power level and sound intensity scale; relationship between addition, subtraction and averaging, sound spectra and Octave band analysis ; loudness; weighting networks; equivalent sound level, auditory effects of noise; hazardous noise, exposure due to machines and equipment; hearing conservation and damage risk criteria, daily noise doze.
Module-5
Noise: Sources, Isolation and control: Major sources of noise on road and in industries, noise due to construction equipment and domestic appliances, industrial noise control, strategies-noise control at source (with or without sound enclosures), noise control along the path (with or without partitions and acoustic barriers); noise control at the receiver, ear defenders, earplugs, semi-insert protectors.
Course Outcomes:
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Question Paper Pattern:
- The question paper will have ten full questions carrying equal marks.
- Each full question will be for 20 marks.
- There will be two full questions (with a maximum of four sub- questions) from each module.
- Each full question will have sub- question covering all the topics under a module.
- The students will have to answer five full questions, selecting one full question from each module.
Text Books:
- Mechanical Vibrations S. S. Rao Pearson Education
- Fundamentals of Mechanical Vibration S. Graham Kelly McGraw-Hill
- Mechanical Vibrations W.T. Thomson Prentice Hill India
- Vibraitons and Acoustics -Measurements and signal analysis C Sujatha Tata McGraw Hill
Reference Books:
For the complete Syllabus, results, class timetable, and many other features kindly download the iStudy App
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E- Learning
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For detail Syllabus of all other subjects of BE Mechanical Engineering, 2018 scheme, visit Mechanical Engineering 6th Sem Syllabus for 2018 scheme.
For all (CBSE & Non-CBSC) BE results, visit VTU BE all semester results.