Acoustic exhaust pipes are used for a number of purposes. The basic aim is the suppression or attenuation of sound. Acoustic exhaust pipes can make life easier for a great many people. The loud noises no only prove to be distracting but can be uncomfortable on the ears as well. Acoustic exhaust pipes are used in commercial settings to reduce the noise emitted by large HVAC systems or generators or general factory machinery. The noise form these huge machinery can be deafening and can cause loss of productivity in people working in different factions of the building. Plus the noise pollution generated by these huge machines shouldn’t be over looked either. It is true that acoustic exhaust pipes can help attenuate the sound and make things easier for everyone.
These exhaust pipes are absorptive in nature. This means that these absorb the sound and therefore reduce it to quite an extent. So much so that the noise can’t be heard in any other space of the building. These actually consist of sound absorbing materials. Another use of these acoustic pipes is reactive in nature. These work by attenuating the sound through a series of complex passages for example pressure drop and volume flow. The materials used for these exhaust pipes compromise of series of material which might have holes punctuated at level distances. The presence of these can help provide a passage for sound waves. When the waves travel through these
Why is sound attenuation necessary?
In a factory setting large engine driven equipment makes a great deal of noise. Often this noise is overlooked. Creation of excessive noise can be potentially harmful. It not only creates disturbances but can be harmful to hearing as well. Listening to repetitive noise over a long period of time can result in loss of hearing. This is why it’s essential to attenuate the sound.
In order to attenuate a sound, a sound absorbing material is placed in an exhaust pipe. It compromises of material made up of perforated lining. There are small evenly placed holes where the sound waves pass through and is somehow attenuated or its frequency lowered quite a great deal.
Normally acoustic exhaust pipes can help control the noise which comes from engine combustions, fans and blowers. The exhaust pipes are normally of three types, these include
- A combination of reactive and absorptive
Reactive exhaust pipes work best for sounds with a lower frequency. On the other hand absorptive exhaust attenuators can attenuate the sounds at a higher frequency. However, the best sound attenuation can be achieved by using a combination of absorptive and reactive attenuation.
However, choosing the right acoustic exhaust pipe should be done with the help of an expert. When choosing an exhaust pipe make sure you buy it from the right dealer. The right installation expert would evaluate the noise reduction needs and then make suggestions based on their findings. The proper installation of acoustic exhaust pipes is essential for getting maximum performance from any working system.…