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Problem:

I need to diffuse pressurized dry air (about 4-6 bar) in to a room, while creating minimal noise. The inner diameter of the tube is about 8 mm. Without a proper nozzle, there are bond to be vortexes and eddies screaming.

  • Is there any kind of nozzle design already exist for this purpose ? For example, a firearm suppressor ?

  • If possible, the nozzle should have minimum resistance to achieve maximum flow.

Thanks in advance !

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The device you seek is called a muffler and is in common use anywhere pressurized air has to be vented into a space with a minimum of noise. Suppliers of industrial compressed air fittings and equipment will have them for sale.

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