ME-566 Acoustics Lecture 08

Lecture 8 (2010-02-16) Sound Transmission Between Two Media, Snell ME 566 Acoustics Prof. Adnan Akay 2009-2010- Spring Introduction to oscillations, waves, and sound generation and propagation. General concepts such as quantitative measures of sound, plane waves, and acoustic energy density and intensity. Perception of sound. Derivation of wave equation. Reflection, transmission and refraction of sound. Normal modes: vibrating membranes, and sound in a rectangular enclosure; room and duct acoustics. Acoustic horns. Absorption and attenuation of sound waves. Acoustic waves in spherical co-ordinate systems.