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Course11210422772 lectures

Noise Management & Control

Prof. Nachiketa Tiwari · IIT Kanpur

Start with lecture 1 At NPTEL

Lectures

WEEK 1

  1. Lecture 1: Course Overview Video
  2. Lecture 2: Introduction Video
  3. Lecture 3: Nature Of Sound Video
  4. Lecture 4: Beats Video
  5. Lecture 5: The Decibel Scale Video
  6. Lecture 6: Key Terms in Acoustics Video

WEEK 2

  1. Lecture 7: Decibel Scale - Part 1 Video
  2. Lecture 8: Decibel Scale - Part 2 Video
  3. Lecture 9: Decibel Scale - Part 3 Video
  4. Lecture 10: Complex Numbers Video
  5. Lecture 11: Complex Time Function Video
  6. Lecture 12: Linear Systems Video

WEEK 3

  1. Lecture 13: Transfer Functions Video
  2. Lecture 14: Introduction to One Dimensional Wave Equation Video
  3. Lecture 15: The Momentum Equation Video
  4. Lecture 16: The Continuity Equation and The Gas Law Video
  5. Lecture 17: One Dimensional Wave Equation Video
  6. Lecture 18: Solution for One Dimensional Wave Equation Video

WEEK 4

  1. Lecture 19: Transmission Line Equations Video
  2. Lecture 20: One Dimensional Example Problems Video
  3. Lecture 21: Impedance Video
  4. Lecture 22: Pressure Wave Travels in a Closed Tube Video
  5. Lecture 23: Standing Wave Formation in a Closed Tube With Rigid Termination Video
  6. Lecture 24: Pressure Wave Travels in an Open Tube Video

WEEK 5

  1. Lecture 25: 1-D sound wave propagation: Kundt's tube-I Video
  2. Lecture 26: 1-D sound wave propagation: Kundt's tube-II Video
  3. Lecture 27: Radially propagating sound waves in spherical coordinate system-I Video
  4. Lecture 28: Radially propagating sound waves in spherical coordinate system-II Video
  5. Lecture 29: Complex impedance for radially propagating sound waves in spherical coordinate system Video
  6. Lecture 30: Volume velocity-I Video

WEEK 6

  1. Lecture 31: Interference of 1-D spherically propagating sound waves-I Video
  2. Lecture 32: Interference of 1-D spherically propagating sound waves-II Video
  3. Lecture 33: Noise sources and introduction to microphones Video
  4. Lecture 34: Classification of microphones-I Video
  5. Lecture 35: Classification of microphones-II Video
  6. Lecture 36: Classification of microphones-III Video

WEEK 7

  1. Lecture 37: Microphone Parameters Video
  2. Lecture 38: Understanding microphone specifications Video
  3. Lecture 39: Noise Source: Terminology Video
  4. Lecture 40: Noise Source: Sound Attenuation Video
  5. Lecture 41: Noise Source: Sound Pressure Level due to a noise source located outdoors Video
  6. Lecture 42: Noise Source: Role of reflecting surfaces Video

WEEK 8

  1. Lecture 43: Noise Source: Sound Pressure Level due to a noise source located indoors - Part I Video
  2. Lecture 44: Noise Source: Sound Pressure Level due to a noise source located indoors - Part II Video
  3. Lecture 45: Measuring Sound Power Level - Understanding standard octave bands Video
  4. Lecture 46: Measuring Sound Power Level - Fan noise - Part I Video
  5. Lecture 47: Measuring Sound Power Level - Fan noise - Part II Video
  6. Lecture 48: Measuring Sound Power Level - Fan noise - Part III Video

WEEK 9

  1. Lecture 49: Weighting Video
  2. Lecture 50: Noise coming from Motors Video
  3. Lecture 51: Noise coming from Motors and Pumps Video
  4. Lecture 52: Noise coming from Pump and Motor Working Simultaneously Video
  5. Lecture 53: Noise coming from Compressors Video
  6. Lecture 54: Example problems regarding Noise coming from Compressor Video

WEEK 10

  1. Lecture 55: Noise Spread Mechanisms Video
  2. Lecture 56: Reverberation time Video
  3. Lecture 57: Reverberation time example problem Video
  4. Lecture 58: Noise from Adjacent Room Video
  5. Lecture 59: Acoustic Enclosures Video
  6. Lecture 60: Acoustic Enclosures- Example Problems Video

WEEK 11

  1. Lecture 61: Large acoustical enclosures I Video
  2. Lecture 62: Large acoustical enclosures II Video
  3. Lecture 63: Acoustic barriers I Video
  4. Lecture 64: Acoustic barriers II Video
  5. Lecture 65: Acoustic barriers III Video
  6. Lecture 66: Helmholtz resonator I Video

WEEK 12

  1. Lecture 67: Silencers Video
  2. Lecture 68: Side branched mufflers -I Video
  3. Lecture 69: Side branched mufflers -II Video
  4. Lecture 70: Side branched mufflers -III Video
  5. Lecture 71: Expansion chamber muffler Video
  6. Lecture 72: Single expansion chamber muffler Video

Syllabus and materials

At NPTEL, as the course publishes them.

Credits and licence

Institution
IIT Kanpur
Department
Mechanical Engineering
Teacher
Prof. Nachiketa Tiwari
Level
Undergraduate
Language
English
Subjects
Engineering
Source
NPTEL
Licence
CC BY-NC-SA, as NPTEL states it. Non-commercial use only. NPTEL's terms
Attribution
NPTEL states: "Distributed under Creative Commons Attribution-ShareAlike / CC BY - NC - SA", beside a BY-NC-SA badge.
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