Construction of a sound enclosure to reduce the noise of a press

In a metal forming workshop, a press is a very powerful noise source potentially causing sound nuisance for the personnel operating in the vicinity (in production halls) and sometimes also for the neighborhood (more occasionally). It is often necessary to use in such cases a high-tech soundproofing equipment (sound enclosure) to ensure the conformity of the facility with respect to the legislation on noise in workplaces and sometimes also with respect to the regulations in terms of fight...

Design of an air intake silencer for a gas turbine / combustion turbine

In a power plant with gas turbines (combustion turbines), air intake system is a very powerful noise source potentially causing sound nuisance for personnel of the operator operating in the vicinity as well as for the neighborhood (including long distance, a fortiori in case of air intake openings with big size due to the low speed imposed in filters that must treat an important air flow). It is often necessary to use in such cases a soundproofing equipment of high technology to ensure...

Soundproofing of an industrial fan

A good sound environment is generally poorly suited to noise emissions from noisy fans, especially when a marked tone is present - when the difference in noise level between adjacent frequency bands is greater than 10 dB (from 50 Hz to 315 Hz) or even greater than 5 dB (from 400 Hz to 8 kHz) because then such acoustic phenomena are clearly perceptible to the human ear, and as such, undesirable.

In a flue gas treatment facility, industrial fans outlet is a very powerful noise source potentially...

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