Generator set inlet and outlet noise reduction

How to reduce noise in a generator?

Redirection/Reflection: Sound that cannot be absorbed should be repeatedly reflected for good difusion. Generator sets rely on air-flow for cooling and combustion. If the air flow that also carries the noise can be deflected frequently before it exits the enclosure, the noise energy will be reduced by good difusion.

How does sound attenuation affect a generator?

Any amount of sound attenuation applied to a generator set will alter the noise produced by the engine and yield a more tolerable deadened sound characterized by a rush of air rather than a mechanical or fan noise of a high-speed diesel or gas engine.

How loud is a generator enclosure?

When looking at generator enclosure designs it is best to insist the enclosure structure is engineered in such a way that there are no points at which noise measured is more than 3-5 db (A) higher than the promised average.

How do you reduce reflected sound in a generator?

Installing an absorption surface over hard surfaces in most generators can reduce some of the reflected sound. In a room with hard surfaces, soft materials such as absorbent ceiling panels, floor rugs or carpeting, and blinds or special absorbent wall coverings, will reduce noise by reflecting sound.

What makes a quieter generator?

itable metal enclosure that will provide a quieter generator. Additional noise redu tion can be achieved through designs including the following:Acoustic barriers - The enclosure can be s plied in steel, stainless steel, aluminum, or carbon

Will a sound attenuated enclosure work with multiple generator sets?

When sizing multiple enclosures for more than one generator set, whether it is a sound attenuated or weatherproof enclosure, it is advisable to make a decision based upon the worst case data so that the sound attenuated enclosures will work with all generator sets considered for the project.