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Friday, October 19, 2012

ED9255 APPLIED ENGINEERING ACOUSTICS ED9255 APPLIED ENGINEERING ACOUSTICS SYLLABUS | ANNA UNIVERSITY ME CAD COMPUTER AIDED DESIGN 1ST SEM SYLLABUS REGULATION 2009 2011 2012-2013

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ED9255 APPLIED ENGINEERING ACOUSTICS ED9255 APPLIED ENGINEERING ACOUSTICS SYLLABUS | ANNA UNIVERSITY ME CAD COMPUTER AIDED DESIGN 1ST SEM SYLLABUS REGULATION 2009 2011 2012-2013 BELOW IS THE ANNA UNIVERSITY FIRST SEMESTER ME CAD COMPUTER AIDED DESIGN DEPARTMENT SYLLABUS, TEXTBOOKS, REFERENCE BOOKS,EXAM PORTIONS,QUESTION BANK,PREVIOUS YEAR QUESTION PAPERS,MODEL QUESTION PAPERS, 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), 2009 REGULATION OF ANNA UNIVERSITY CHENNAI AND STUDENTS ADMITTED IN ANNA UNIVERSITY CHENNAI DURING 2009

ED9255 APPLIED ENGINEERING ACOUSTICS L T P C
3 0 0 3
UNIT I BASIC CONCEPTS OF ACOUSTICS 9
Scope of Acoustics – Sound pressure – Sound intensity – Sound power level Sound
power – Wave motion – Alteration of wave paths –Measurement of sound waves –
sound spectra – Sound fields – Interference – Standing waves – Acoustic energy
density and intensity – Specific acoustic impedance.
UNIT II CHARACTERISTICS OF SOUND 10
One dimensional wave equation – Solution of 1D wave equation – Velocity in
gaseous medium – Velocity of plane progressive sound wave through a thin solid rod
– Velocity of plane wave in a bulk of solid – Transverse wave propagation along a
string stretched under tension – Wave equation in two dimension.
UNIT III TRANSMISSION PHENOMENA 6
Changes in media – Transmission from one fluid medium to another, normal
incidence, oblique incidence - Reflection at the surface of a solid, normal incidence,
oblique incidence – Standing wave pattern – Transmission through three media.
UNIT IV INTRODUCTION TO THE ASSESSMENT AND
MEASUREMENT OF SOUND 10
Introduction – Decibel scale for the measurement of sound power – Sound level
meter – Weighted sound pressure level – Equal Loudness contours – Perceived
noisiness – Loudness, Loudness level, perceived noise, perceived noise level –
Equivalent sound level – Identified level – Frequency and Amplitude measurement.
UNIT V BASICS OF NOISE CONTROL 10
Noise Control at source, path, receiver – Noise control by acoustical treatment –
Machinery noise – Types of machinery involved – Determination of sound power and
sound power level – Noise reduction procedures – Acoustic enclosures.
TOTAL : 45 PERIODS
15
REFERENCES:
1. Lawrence E. Kinsler, Austin R. Frey, “Fundamentals of Acoustics “– John Wiley
and Sons Inc., 1986.
2. Bies, David, A. and Hansen, Colin H., “Engineering Noise Control – Theory and
Practice”, E and FN Spon, Chapman-Hall, Second Edition, 1996.
3. Hansen C.H. and Snyder, S.D., “Active Control of Sound and Vibration”, E and
FN Spon, London 1996.

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