MEC4444 - Industrial noise and control

Leader: W K Chiu

Offered

Clayton First semester 2007 (Day)
Malaysia First semester 2007 (Day)

Synopsis

Fundamentals of sound and sound propagation, wave equation, Helmholtz equation, absorption, impedance and intensity, silencers. Transmission from one medium to another, applications and optimisation. Transmission through walls, mass law, coincidence and resonance. Sound transmission in the atmosphere, inverse square law, excess attenuation. Radiation of sound, directivity. Sound in enclosed spaces. Noise sources, noise reduction techniques, noise legislation and regulation, acceptable noise levels, hearing conservation, measurement and analysis of noise, design for low noise.

Assessment

Examination (2 hours): 70%
Assignments and tutorials: 25%
Laboratory: 5%

Contact hours

22 lecture hours plus 22 hours of practice classes and laboratory classes

Prerequisites

MEC3406