Transcription of 5 NOISE SOURCES - WHO
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5 NOISE SOURCES - WHO
5 NOISE SOURCESP rofessor Samir GergesGustav A. Sehrndt* and Wolfgang PartheyFederal University of Santa CatarinaFederal Institute for OccupationalMechanical Engineering Department Safety and HealthNoise and Vibration LaboratoryFriedrich-Henkel-Weg - Florian polis - SC44149 INTRODUCTIONI ndustrial machinery and processes are composed of various NOISE SOURCES such as rotors, stators,gears, fans, vibrating panels, turbulent fluid flow, impact processes, electrical machines, internalcombustion engines etc. The mechanisms of NOISE generation depend on the particularly noisyoperations and equipment including crushing, riveting, blasting (quarries and mines), shake-out(foundries), punch presses, drop forges, drilling, lathes, pneumatic equipment ( jack hammers,chipping hammers, etc.)
Noise is therefore a common occupational hazard in a large number of workplaces such as the iron and steel industry, foundries, saw mills, textile mills, airports and aircraft maintenance shops, crushing mills, among many others. In many countries, noise-induced hearing loss is one of the most prevalent occupational diseases.
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