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Efficient Stator Design for Automotive Engine Cooling Fan Systems

[+] Author Affiliations
F. Bakir

ENSAM, Paris, France

S. Moreau

Valeo Motors and Actuators, La Verrière, France

Paper No. FEDSM2002-31318, pp. 235-240; 6 pages
  • ASME 2002 Joint U.S.-European Fluids Engineering Division Conference
  • Volume 1: Fora, Parts A and B
  • Montreal, Quebec, Canada, July 14–18, 2002
  • Conference Sponsors: Fluids Engineering Division
  • ISBN: 0-7918-3615-0 | eISBN: 0-7918-3600-2
  • Copyright © 2002 by ASME


This paper deals with stator efficiency improvement meant for automotive engine cooling fan systems. Four stators designed for a Valeo 380 mm rotor were manufactured and tested on a newly designed Valeo-Lemfi test rig. The following points are presented: • Overall performances of the 380 mm rotor. • Overall performances of the 380 mm rotor combined with a short chord stator. Inefficiency of such a design is shown: Slight deflection carried out by the stator is the cause of the slight gain of efficiency. • Overall performances of the 380 mm rotor combined to three long chord stators: this study confirms the gain of efficiency foreseen previously with the simplified radial equilibrium code VENTAX. • Steady velocities measured 33 mm downstream the various stage configurations: These measurements obtained by using a 5-holes probe show high deflection carried out by the long chord stators.

Copyright © 2002 by ASME



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