MEC4444 - Industrial noise and control
6 points, SCA Band 2, 0.125 EFTSL
Undergraduate Faculty of Engineering
Leader(s): A/P W K Chiu (Clayton); Jawaid (Sunway)
Offered
Clayton Second semester 2009 (Day)
Sunway First semester 2009 (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