Modules / Lectures
Module NameDownload


Sl.No Chapter Name MP4 Download
1Introduction to Acoustic Wave Propagation Download
2D'Alemberts's solution and 1-D Continuity equation Download
3Muffler Acoustics-Application to Automotive Exhaust Noise Control Download
4Linearization of governing equations, and Development of 1-D Acoustic wave & Helmholtz equation Download
5Solution of 1-D Helmholtz equation: Propagation in 1-D ducts/pipes Download
61-D Acoustic Wave Equation in Ducts Carrying Uniform Mean Flow: Derivation Download
71-D Acoustic Wave Equation in Ducts Carrying Uniform Mean Flow: Solution Download
83-D Acoustic Wave Equation in Rectangular and Circular Waveguides: Derivation, Modal Solution and Concept of Cut-on Frequency Download
9Sound Pressure Level, Intensity Level and Sound Power Level Download
10Acoustic Impedance and Reflection Coefficient Download
11Lumped System Analysis: Inertance and Compliance Download
12Lumped Analysis of a Uniform Pipe Closed/Open at an End, Concept of End Correction Download
13Helmholtz Resonator, Electro-Acoustic Analogy and Layout of a typical engine exhaust system Download
14Week 4Download
15Muffler Performance Measures: Transmission Loss & Level Difference Download
16v12CQq0dJq4Download
17Sudden area Discontinuity (Continued) Download
18Simple Expansion Chamber Analysis Using Transfer Matrix Method Download
19Transmission Loss (TL) Graph for a Simple Expansion Muffler (MATLAB) Download
20Extended-Inlet and Extended-Outlet Muffler Analysis Download
21Extended-Inlet and Extended-Outlet Muffler Analysis (Continued) Download
22TL Analysis of Extended-Inlet and Extended-Outlet Muffler (MATLAB) Download
23TL Analysis of Side-Inlet and Side-Outlet Muffler Using Transfer Matrix Method Download
24Wave Propagation in Gradually Varying Area Ducts: Webster’s Horn Equation Download
25Webster’s Horn Equation (Contd.) and Exponential Ducts Download
26Solution of Webster’s Horn Equation for Conical Ducts Download
27TL analysis for Conical Muffler Configurations (MATLAB) Download
28Segmentation Approach for Analysing Gradually Varying Area Ducts (MATLAB) Download
29Acoustic Intensity (Energy Flux) in a Pipe with Mean Flow, and Transmission Loss Expression Download
30Aeroacoustic State Variables Transfer Matrix for a Tubular Element (Uniform Pipe) Download
31Transfer Matrix for Extended-Inlet and Outlet Element & Use of Perforated Elements in Commercial Mufflers Download
32Two-interacting Duct Configurations: Development of Equations and Concentric Tube Resonators Download
33Concentric Tube Resonator: Partially Perforated Pipe or Airway (MATLAB) Download
34Review of Perforate Impedance Expressions Download
35MATLAB Demonstration for Fully and Partially Perforated CTR Download
36 Cross-Flow elements: Setting-up the Equations Download
37 Cross-Flow elements: MATLAB Demonstration for Simple Configurations Download
38Plug Mufflers, Three-pass Perforated Element Muffler (Commercial Configurations) - MATLABDownload
39Multiply-Connected Mufflers: HQ Tubes Download
40TL Analysis of HQ Tubes (MATLAB): Network Analysis and Analytical Formula Download
41Transmission Loss in terms of Scattering and Impedance Matrix ParametersDownload
42Rectangular Chamber Muffler: Characterization and TL Analysis using 3-D Piston-driven ModelDownload
43Circular Chambers: Characterization and TL Analysis Using 3-D Piston-driven ModelDownload

Sl.No Chapter Name English
1Introduction to Acoustic Wave Propagation PDF unavailable
2D'Alemberts's solution and 1-D Continuity equation PDF unavailable
3Muffler Acoustics-Application to Automotive Exhaust Noise Control PDF unavailable
4Linearization of governing equations, and Development of 1-D Acoustic wave & Helmholtz equation PDF unavailable
5Solution of 1-D Helmholtz equation: Propagation in 1-D ducts/pipes PDF unavailable
61-D Acoustic Wave Equation in Ducts Carrying Uniform Mean Flow: Derivation PDF unavailable
71-D Acoustic Wave Equation in Ducts Carrying Uniform Mean Flow: Solution PDF unavailable
83-D Acoustic Wave Equation in Rectangular and Circular Waveguides: Derivation, Modal Solution and Concept of Cut-on Frequency PDF unavailable
9Sound Pressure Level, Intensity Level and Sound Power Level PDF unavailable
10Acoustic Impedance and Reflection Coefficient PDF unavailable
11Lumped System Analysis: Inertance and Compliance PDF unavailable
12Lumped Analysis of a Uniform Pipe Closed/Open at an End, Concept of End Correction PDF unavailable
13Helmholtz Resonator, Electro-Acoustic Analogy and Layout of a typical engine exhaust system PDF unavailable
14Week 4PDF unavailable
15Muffler Performance Measures: Transmission Loss & Level Difference PDF unavailable
16v12CQq0dJq4PDF unavailable
17Sudden area Discontinuity (Continued) PDF unavailable
18Simple Expansion Chamber Analysis Using Transfer Matrix Method PDF unavailable
19Transmission Loss (TL) Graph for a Simple Expansion Muffler (MATLAB) PDF unavailable
20Extended-Inlet and Extended-Outlet Muffler Analysis PDF unavailable
21Extended-Inlet and Extended-Outlet Muffler Analysis (Continued) PDF unavailable
22TL Analysis of Extended-Inlet and Extended-Outlet Muffler (MATLAB) PDF unavailable
23TL Analysis of Side-Inlet and Side-Outlet Muffler Using Transfer Matrix Method PDF unavailable
24Wave Propagation in Gradually Varying Area Ducts: Webster’s Horn Equation PDF unavailable
25Webster’s Horn Equation (Contd.) and Exponential Ducts PDF unavailable
26Solution of Webster’s Horn Equation for Conical Ducts PDF unavailable
27TL analysis for Conical Muffler Configurations (MATLAB) PDF unavailable
28Segmentation Approach for Analysing Gradually Varying Area Ducts (MATLAB) PDF unavailable
29Acoustic Intensity (Energy Flux) in a Pipe with Mean Flow, and Transmission Loss Expression PDF unavailable
30Aeroacoustic State Variables Transfer Matrix for a Tubular Element (Uniform Pipe) PDF unavailable
31Transfer Matrix for Extended-Inlet and Outlet Element & Use of Perforated Elements in Commercial Mufflers PDF unavailable
32Two-interacting Duct Configurations: Development of Equations and Concentric Tube Resonators PDF unavailable
33Concentric Tube Resonator: Partially Perforated Pipe or Airway (MATLAB) PDF unavailable
34Review of Perforate Impedance Expressions PDF unavailable
35MATLAB Demonstration for Fully and Partially Perforated CTR PDF unavailable
36 Cross-Flow elements: Setting-up the Equations PDF unavailable
37 Cross-Flow elements: MATLAB Demonstration for Simple Configurations PDF unavailable
38Plug Mufflers, Three-pass Perforated Element Muffler (Commercial Configurations) - MATLABPDF unavailable
39Multiply-Connected Mufflers: HQ Tubes PDF unavailable
40TL Analysis of HQ Tubes (MATLAB): Network Analysis and Analytical Formula PDF unavailable
41Transmission Loss in terms of Scattering and Impedance Matrix ParametersPDF unavailable
42Rectangular Chamber Muffler: Characterization and TL Analysis using 3-D Piston-driven ModelPDF unavailable
43Circular Chambers: Characterization and TL Analysis Using 3-D Piston-driven ModelPDF unavailable


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8TamilNot Available
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