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3D Structure of the Rotor Wake of a Three Different Sweep Axial Fan

[+] Author Affiliations
Gérald Kergourlay, Smaïne Kouidri, Robert Rey

LEMFI-ENSAM, Paris, France

Gary W. Rankin

University of Windsor, Windsor, ON, Canada

Paper No. FEDSM2005-77284, pp. 403-408; 6 pages
  • ASME 2005 Fluids Engineering Division Summer Meeting
  • Volume 2: Fora
  • Houston, Texas, USA, June 19–23, 2005
  • Conference Sponsors: Fluids Engineering Division
  • ISBN: 0-7918-4199-5 | eISBN: 0-7918-3760-2
  • Copyright © 2005 by ASME


This experimental study, applied to a three different sweep axial fan (backward, radial and forward), aims at determining the 3D structure of the rotor wake from unsteady velocity measurements. The hot-film anemometry is used to measure the 3D unsteady velocity components in nearfield, downstream the fan. The data analysis leading to averaged and turbulent velocities, the components of the Reynolds’ stress tensor and the turbulent kinetic energy is presented, in order to illustrate the influence of the sweep. A spectral analysis is also performed.

Copyright © 2005 by ASME
Topics: Wakes , Rotors



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