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# Noise flow calculation in pipe

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## Noise flow calculation in pipe

(OP)
Hello,

I need to know how can I calculate the noise level in piping (Ambient air flow), with and without thermal insulation?

Replies continue below

### RE: Noise flow calculation in pipe

Not really sure that you can calculate the noise. Generally, there are empirical studies that show how much noise is generated at measured velocities. Then the ductwork/piping is sized accordingly to keep the noise level down.

### RE: Noise flow calculation in pipe

Hi,
You should consult a third party to get a mapping of your piping system and a proposal for mitigation .
Based on my experience.
Good luck
Pierre

### RE: Noise flow calculation in pipe

Is this for HVAC?

Consult ASHRAE.

Remember - More details = better answers
Also: If you get a response it's polite to respond to it.

### RE: Noise flow calculation in pipe

See previous discussions on this topic on Eng-Tips - you can do a search on noise calculations. There is some attenuation from pipe wall thickness also.
Am not an insulation expert, but as far as I know, thermal insulation is not the same as noise insulation.

### RE: Noise flow calculation in pipe

(OP)
Hello again and thanks to all

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