ATZ - Experimental and Numerical Investigation of Air Dam Aeroacoustics Retail Ebook-PDFWriters
Supplied by..: PDFWriters
Release Date.: 25-07-2009
Authors......: Prof. Dr.-Ing. Frank Kameier; Thomas Wagner MScEng; Igor Horvat MScEng; Dipl.-Ing. Frank Ullrich
Disksize.....: 1 x 5 MB
Different vehicle manufacturers mount an air dam on the vehicle undercarriage
just in front of the wheels. For better understanding of the noise generation
mechanisms and flow induced vibrations directly at their source region, the
acoustical effects in the interior of the vehicle will be correlated by the
University of Applied Sciences Duesseldorf and BMW with the pressure fluctuations
of the exterior of the vehicle. Steady state CFD calculations in the area of the
rotating front wheel will be carried out for the positioning of the surface
microphones and for a better understanding of the flow topology.
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