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Created by:
Last updated:
September 21, 2023
Duration:
Unlimited Duration
FREE
This course includes:
Unlimited Duration
Badge on Completion
Certificate of completion
Unlimited Duration
Description
Acoustics. Instructor: Prof. Nachiketa Tiwari, Department of Mechanical Engineering, IIT Kanpur.
This course discusses topics in acoustics: 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. (from nptel.ac.in)
Course Curriculum
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- Lecture 01 – Introduction, Sound Wave vs Vibration, Different Types of Waves Unlimited
- Lecture 02 – Review: Linearity, Complex Numbers and Spring Mass System Unlimited
- Lecture 03 – Review: Poles and Zeros, Phase and Magnitude Plots, Transfer Functions, Bode Plots Unlimited
- Lecture 04 – Review: Transfer Function and Bode Plots Unlimited
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- Lecture 05 – 1-D Wave Equation and its Solution Unlimited
- Lecture 06 – Solution for 1-D Wave Equation Unlimited
- Lecture 07 – Waveguides, Transmission Line Equations and Standing Waves Unlimited
- Lecture 08 – Waveguides, Transmission Line Equations and Standing Waves (cont.) Unlimited
- Lecture 09 – Examples of 1-D Waves in Tubes, Short tubes, Kundt’s Tube Unlimited
- Lecture 10 – Thermodynamic Processes during Sound Transmission Unlimited
- Lecture 11 – Numerical Examples 1 Unlimited
- Lecture 12 – Sound Transmission through Walls Unlimited
- Lecture 13 – Sound Transmission through Walls (cont.) Unlimited
- Lecture 14 – Leakage in Walls, Sound Transmission Class Ratings, Octave Bands Unlimited
- Lecture 21 – Directivity: Expression of Pressure Unlimited
- Lecture 22 – Directivity of Different Sound Sources Unlimited
- Lecture 23 – Directivity Pattern associated with Sound Sources Unlimited
- Lecture 24 – Directivity Pattern associated with the Doublet Unlimited
- Lecture 34 – Sound Propagation in Rooms, 1-D Rooms, 2-D Rooms Unlimited
- Lecture 35 – Sound in 3D Rooms Unlimited
- Lecture 36 – Absorption Coefficient, and Irregular Rooms Unlimited
- Lecture 37 – Room Constant, and Sabine’s Coefficient Unlimited
- Lecture 38 – Design of a muffler Unlimited
- Lecture 39 – Noise in Machines, Basics of Noise Management Unlimited
About the instructor
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