Aeroacoustic Simulation of Cooling Fan -- CFD Online Discussion Forums

July 8, 2019, 10:25	Aeroacoustic Simulation of Cooling Fan	#1
AS_Aero Senior Member Join Date: Mar 2013 Location: Germany Posts: 357 Rep Power: 14	Hi All Has anyone here done some Aeroacoustics /Acoustic measurement and simulation of Axial fans ? I have a doubt with respect to the order. What does it mean when people say 7th 9th 11 12 14 24th order etc and they show some peak on the experiment results on these orders. Can someone help me with this ?

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