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Aeroacoustics - cooling fan system

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Old   May 31, 2010, 10:40
Default Aeroacoustics - cooling fan system
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Vincent Gohier
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I am performing an aeroacoustic simulation on an automotive fan attached to its cooler. The simulation is made on a commercial software with a Reynolds Stress Model.

My problem is that I donīt really know how to simulate correctly the influence of the cooler on the noise. For classical CFD, a porosity is used but for acoustics I think this wonīt be judicious.

Iīm studying the influence of the stator of the fan on the unsteady noise but I think the results wonīt be good with a porosity instead of the fine geometry of the cooler.

Did someone already performed such simulation ? suggestions to simulate acoustics on automobile coolers ?
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acoustic, cooler, noise, porosity, reynolds stress

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