Lecture 21: Microperforated Panel Absorbers-1

This lecture describes the working principle of micro-perforated panel (MPP) absorber which is a trending absorber in the current research community. The expression for impedance of an MPP absorber and its variation with change in MPP geometry is discussed.

Acoustic Materials and Metamaterials
Prof. Sneha Singh
Department of Mechanical & Industrial Engineering

IIT Roorkee

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