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Acoustics

Development of the acoustic plane wave equation, introduction of concepts of acoustic impedance, characteristic impedance, acoustic energy density, acoustic intensity and acoustic power. Measurement of sound pressure. Decibel scales. Standing waves. The effect of noise on people. Wave propagation in porous media. Transmission phenomena including transmission of plane waves between different media, through walls and along pipes. The analysis of expansion chamber mufflers and pipe side-branches. Basic energy approach to room acoustics. Got a Acoustics project? Hire the best Acoustics freelancers with the right skills and background in February 2024 to get your Acoustics job done quickly. Schedule a consultation with a Acoustics freelancer today. Read less

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Acoustics provide a basic introduction to wave propagation and sound. General concepts such as quantitative measures of sound, plane waves, and acoustic energy density and intensity. Derivation of wave equation. Sound radiation from vibrating bodies. Basic ray-acoustic concepts: reflection, refraction, diffraction and scattering of acoustic waves. Other topics may include flow-induced sound, Helmholtz resonators, sound transmission through ducts and mufflers, room acoustics, and absorption and attenuation of sound waves in fluids.
Underwater acoustics which explore the ocean environment. Physical processes in deep and shallow water. Time and frequency domain wave equations for homogeneous and inhomogeneous acoustics. Spectral and ray methods for wave propagation in layered fluid and elastic media. Uncoupled and adiabatic normal mode theory. Parabolic equations and computational techniques for fluids and solids. Noise sources and surface effects. Sensors, transducers, and signal processing techniques.

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