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Old 03-04-10, 12:16 PM   #17
Piwoslaw
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Quote:
Originally Posted by Daox View Post
I just didn't expect that a higher speed created that much more turbulence.
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.
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