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September 23, 2023

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Description

Noise Management and its Control. Instructor: Prof. Nachiketa Tiwari, Department of Mechanical Engineering, IIT Kanpur.

This course is intended for all those who want to understand noise, its control, and its management. Thus, the course is open to students of engineering and science, and also to all those who from the industry and research organizations - who are working in area of sound, NVH and acoustics. Each lecture will be followed by a quiz, which will help student the concepts better, and gain deeper insights to measurement process. The course is fairly generic so that there is no need for a particular background. Rather, what is needed is openness, and ability to learn and check out new ideas with comfort. (from nptel.ac.in)

Course Curriculum

  • Lecture 01 – Course Overview Unlimited
  • Lecture 02 – Introduction Unlimited
  • Lecture 03 – Nature of Sound: Beats Phenomena Unlimited
  • Lecture 04 – Beats Unlimited
  • Lecture 05 – The Decibel Scale Unlimited
  • Lecture 06 – Key Terms in Acoustics Unlimited
  • Lecture 07 – Decibel Scale Unlimited
  • Lecture 08 – Decibel Scale (cont.) Unlimited
  • Lecture 09 – Decibel Scale: Adding up Decibels for Correlated Signals Unlimited
  • Lecture 10 – Complex Numbers Unlimited
  • Lecture 11 – Complex Time Function Unlimited
  • Lecture 12 – Linear Systems Unlimited
  • Lecture 13 – Transfer Functions Unlimited
  • Lecture 14 – Introduction to One Dimensional Wave Equation Unlimited
  • Lecture 15 – The Momentum Equation Unlimited
  • Lecture 16 – The Continuity Equation and Gas Law Unlimited
  • Lecture 17 – One Dimensional Wave Equation Unlimited
  • Lecture 18 – Solution for One Dimensional Wave Equation Unlimited
  • Lecture 19 – Transmission Line Equations Unlimited
  • Lecture 20 – One Dimensional Example Problems Unlimited
  • Lecture 21 – Impedance Unlimited
  • Lecture 22 – Pressure Wave Travels in a Closed Tube Unlimited
  • Lecture 23 – Standing Wave Formation in a Closed Tube with Rigid Termination Unlimited
  • Lecture 24 – Pressure Wave Travels in an Open Tube Unlimited
  • Lecture 25 – 1D Sound Wave Propagation: Kundt’s Tube Unlimited
  • Lecture 26 – 1D Sound Wave Propagation: Kundt’s Tube (cont.) Unlimited
  • Lecture 27 – Radially Propagating Sound Waves in Spherical Coordinate System Unlimited
  • Lecture 28 – Radially Propagating Sound Waves in Spherical Coordinate System (cont.) Unlimited
  • Lecture 29 – Complex Impedance for Radially Propagation Sound Waves in Spherical … Unlimited
  • Lecture 30 – Volume Velocity Unlimited
  • Lecture 31 – Interference of 1D Spherically Propagating Sound Waves Unlimited
  • Lecture 32 – Interference of 1D Spherically Propagating Sound Waves (cont.) Unlimited
  • Lecture 33 – Noise Sources and Introduction to Microphones Unlimited
  • Lecture 34 – Classification of Microphones I Unlimited
  • Lecture 35 – Classification of Microphones II Unlimited
  • Lecture 36 – Classification of Microphones III Unlimited
  • Lecture 37 – Microphone Parameters Unlimited
  • Lecture 38 – Understanding Microphone Specifications Unlimited
  • Lecture 39 – Noise Source: Terminology Unlimited
  • Lecture 40 – Noise Source: Sound Attenuation Unlimited
  • Lecture 41 – Noise Source: Sound Pressure Level due to a Noise Source Located Outdoors Unlimited
  • Lecture 42 – Noise Source: Role of Reflecting Surfaces Unlimited
  • Lecture 43 – Noise Source: Sound Pressure Level due to a Noise Source Located Indoors Unlimited
  • Lecture 44 – Noise Source: Sound Pressure Level due to a Noise Source Located Indoors (cont.) Unlimited
  • Lecture 45 – Measuring Sound Power Level – Understanding Standard Octave Bands Unlimited
  • Lecture 46 – Measuring Sound Power Level – Fan Noise Unlimited
  • Lecture 47 – Measuring Sound Power Level – Fan Noise (cont.) Unlimited
  • Lecture 48 – Measuring Sound Power Level – Fan Noise (cont.) Unlimited
  • Lecture 49 – Weighting Unlimited
  • Lecture 50 – Noise Coming from Motors Unlimited
  • Lecture 51 – Noise Coming from Motors and Pumps Unlimited
  • Lecture 52 – Noise Coming from Pumps and Motors Working Simultaneously Unlimited
  • Lecture 53 – Noise Coming from Compressors Unlimited
  • Lecture 54 – Example Problems Regarding Noise Coming from Compressors Unlimited
  • Lecture 55 – Noise Spread Mechanisms Unlimited
  • Lecture 56 – Reverberation Time Unlimited
  • Lecture 57 – Reverberation Time: Example Problem Unlimited
  • Lecture 58 – Noise from Adjacent Room Unlimited
  • Lecture 59 – Acoustic Enclosures Unlimited
  • Lecture 60 – Acoustic Enclosures: Example Problems Unlimited
  • Lecture 61 – Large Acoustical Enclosures Unlimited
  • Lecture 62 – Large Acoustical Enclosures (cont.) Unlimited
  • Lecture 63 – Acoustic Barriers Unlimited
  • Lecture 64 – Acoustic Barriers (cont.) Unlimited
  • Lecture 65 – Acoustic Barriers (cont.) Unlimited
  • Lecture 66 – Helmholtz Resonator Unlimited
  • Lecture 67 – Silencers Unlimited
  • Lecture 68 – Side Branched Mufflers Unlimited
  • Lecture 69 – Side Branched Mufflers (cont.) Unlimited
  • Lecture 70 – Side Branched Mufflers (cont.) Unlimited
  • Lecture 71 – Expansion Chamber Muffler Unlimited
  • Lecture 72 – Single Expansion Chamber Muffler Unlimited

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