ME2025 VIBRATION AND NOISE CONTROL SYLLABUS | ANNA UNIVERSITY BE MECHANICAL ENGINEERING 6TH SEM SYLLABUS REGULATION 2008 2011 2012-2013 BELOW IS THE ANNA UNIVERSITY SIXTH SEMESTER BE MECHANICAL ENGINEERING DEPARTMENT SYLLABUS, TEXTBOOKS, REFERENCE BOOKS,EXAM PORTIONS,QUESTION BANK,CLASS NOTES, IMPORTANT 2 MARKS, 8 MARKS, 16 MARKS TOPICS. IT IS APPLICABLE FOR ALL STUDENTS ADMITTED IN THE YEAR 2011 2012-2013 (ANNA UNIVERSITY CHENNAI,TRICHY,MADURAI,TIRUNELVELI,COIMBATORE), 2008 REGULATION OF ANNA UNIVERSITY CHENNAI AND STUDENTS ADMITTED IN ANNA UNIVERSITY CHENNAI DURING 2009
ME2025 VIBRATION AND NOISE CONTROL L T P C
(COMMON TO MECHANICAL AND AUTOMOBILE) 3 0 0 3
OBJECTIVE:
The student will be able to understand the sources of vibration and noise in
automobiles and make design modifications to reduce the vibration and noise and
improve the life of the components
UNIT I BASICS OF VIBRATION 9
Introduction, classification of vibration: free and forced vibration, undamped and damped
vibration, linear and non linear vibration, response of damped and undamped systems
under harmonic force, analysis of single degree and two degree of freedom systems,
torsional vibration, determination of natural frequencies.
UNIT II BASICS OF NOISE 9
Introduction, amplitude, frequency, wavelength and sound pressure level, addition,
subtraction and averaging decibel levels, noise dose level, legislation, measurement and
analysis of noise, measurement environment, equipment, frequency analysis, tracking
analysis, sound quality analysis.
77
UNIT III AUTOMOTIVE NOISE SOURCES 9
Noise Characteristics of engines, engine overall noise levels, assessment of combustion
noise, assessment of mechanical noise, engine radiated noise, intake and exhaust
noise, engine accessory contributed noise, transmission noise, aerodynamic noise, tyre
noise, brake noise.
UNIT IV CONTROL TECHNIQUES 9
Vibration isolation, tuned absorbers, untuned viscous dampers, damping treatments,
application dynamic forces generated by IC engines, engine isolation, crank shaft
damping, modal analysis of the mass elastic model shock absorbers.
UNIT V SOURCE OF NOISE AND CONTROL 9
Methods for control of engine noise, combustion noise, mechanical noise, predictive
analysis, palliative treatments and enclosures, automotive noise control principles,
sound in enclosures, sound energy absorption, sound transmission through barriers
TOTAL: 45 PERIODS
TEXT BOOKS:
1. Singiresu S.Rao - “Mechanical Vibrations” - Pearson Education, ISBM –81-297-
0179-0 - 2004.
2. Kewal Pujara “Vibrations and Noise for Engineers, Dhanpat Rai & Sons, 1992.
REFERENCES:
1. Bernard Challen and Rodica Baranescu - “Diesel Engine Reference Book” - Second
edition - SAE International - ISBN 0-7680-0403-9 – 1999.
2. Julian Happian-Smith - “An Introduction to Modern Vehicle Design”- Butterworth-
Heinemann, ISBN 0750-5044-3 - 2004
3. John Fenton - “Handbook of Automotive body Construction and Design Analysis -
Professional Engineering Publishing, ISBN 1-86058-073- 1998.
ME2025 VIBRATION AND NOISE CONTROL L T P C
(COMMON TO MECHANICAL AND AUTOMOBILE) 3 0 0 3
OBJECTIVE:
The student will be able to understand the sources of vibration and noise in
automobiles and make design modifications to reduce the vibration and noise and
improve the life of the components
UNIT I BASICS OF VIBRATION 9
Introduction, classification of vibration: free and forced vibration, undamped and damped
vibration, linear and non linear vibration, response of damped and undamped systems
under harmonic force, analysis of single degree and two degree of freedom systems,
torsional vibration, determination of natural frequencies.
UNIT II BASICS OF NOISE 9
Introduction, amplitude, frequency, wavelength and sound pressure level, addition,
subtraction and averaging decibel levels, noise dose level, legislation, measurement and
analysis of noise, measurement environment, equipment, frequency analysis, tracking
analysis, sound quality analysis.
77
UNIT III AUTOMOTIVE NOISE SOURCES 9
Noise Characteristics of engines, engine overall noise levels, assessment of combustion
noise, assessment of mechanical noise, engine radiated noise, intake and exhaust
noise, engine accessory contributed noise, transmission noise, aerodynamic noise, tyre
noise, brake noise.
UNIT IV CONTROL TECHNIQUES 9
Vibration isolation, tuned absorbers, untuned viscous dampers, damping treatments,
application dynamic forces generated by IC engines, engine isolation, crank shaft
damping, modal analysis of the mass elastic model shock absorbers.
UNIT V SOURCE OF NOISE AND CONTROL 9
Methods for control of engine noise, combustion noise, mechanical noise, predictive
analysis, palliative treatments and enclosures, automotive noise control principles,
sound in enclosures, sound energy absorption, sound transmission through barriers
TOTAL: 45 PERIODS
TEXT BOOKS:
1. Singiresu S.Rao - “Mechanical Vibrations” - Pearson Education, ISBM –81-297-
0179-0 - 2004.
2. Kewal Pujara “Vibrations and Noise for Engineers, Dhanpat Rai & Sons, 1992.
REFERENCES:
1. Bernard Challen and Rodica Baranescu - “Diesel Engine Reference Book” - Second
edition - SAE International - ISBN 0-7680-0403-9 – 1999.
2. Julian Happian-Smith - “An Introduction to Modern Vehicle Design”- Butterworth-
Heinemann, ISBN 0750-5044-3 - 2004
3. John Fenton - “Handbook of Automotive body Construction and Design Analysis -
Professional Engineering Publishing, ISBN 1-86058-073- 1998.
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