MEC4444

Industrial noise and control (6 points)

(ENG)

Leader: L L Koss

Offered:
Clayton First semester 2003 (Day)
Malaysia First semester 2003 (Day)
Clayton First semester 2004 (Day)
Malaysia First semester 2004 (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 tutorial and laboratory classes

Prerequisites: MEC3406