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Old 03-04-10, 12:22 PM   #18
AC_Hacker
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Default Turbulent Flow Noise

Quote:
Originally Posted by Piwoslaw View Post
I recently read that an airflow speed of at least 5m/s in ventilation ducts creates unacceptable noise. This may be the speed at which laminar turns to turbulent flow.
That's it exactly.

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