Lecture 4 of the NPTEL course on "Noise Control in Mechanical Systems", explores the concept of harmonic plane waves. This lecture explain harmonic plane wave, their generation in mechanical systems and its significance. The equation governing harmonic plane wave propagation, its solution, and the propagation vector are discussed, to build foundation of acoustics.

Stay tuned as we uncover more about noise control techniques in upcoming lectures.

Course Name: "Noise Control In Mechanical Systems"

Course Instructor:
Prof. Sneha Singh
Department of Mechanical & Industrial Engineering,
Indian Institute of Technology, Roorkee.

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