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Acoustics fundamentals, terminology, 1-D wave equation in Cartesian coordinates and in spherical coordinates, transmission line equations, electromechanical transduction and mechano-acoustic transduction using lumped parameter approach, modeling of complex electro-magnetic-mechanical-acoustic systems, sound radiation, propagation and attenuation of sound, waveguides, and the interplay between vibrations and acoustics.

 

Sl. No

Topic

Lectures

1.

Introduction, review of concepts, terminology, etc.

4

2.

Wave equation (1-D, 3D, spherical 1D) and its solutions.

4

3.

Transmission line equations, waveguides, 1D plane waves, interferences.

4

4.

Distributed parameters, illustrations, PSWR, simple source arrays, energy flow, power, intensity, attenuation thru mass, spatial damping.

4

5.

Generalized elements, laws on interconnect, electrical, mechanical and acoustic elements.

4

6.

Applications – electrodynamic transducers, and microphones.

7

7.

Applications – room acoustics.

6

8.

Other applications and closure.

7

  • The student should be at least a 3rd year engineering student in a 4-year undergraduate degree program.

  • He should be well grounded in mechanics' fundamentals, complex variables, and engineering mathematics, and should have some exposure to RLC circuits in electrical engineering realm.


Acoustics, Beranek, Leo L., reprinted by Acoustical Society of America, 1986.



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