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SUMMARY:Propeller integration experiments in DNW and TU Delft - Georg Eite
 lberg\, Director\, DNW\, TU Delft
DTSTART:20131115T130000Z
DTEND:20131115T140000Z
UID:TALK46955@talks.cam.ac.uk
CONTACT:Dr Henry Burridge
DESCRIPTION:Propeller aircraft are generally considered old fashioned and 
 dodgy. Compared to modern turbofans\, propeller propulsion\, however\, can
  provide significant savings in fuel consumption and thus contribute to th
 e very fashionable effort to reduce CO2 emission in aeronautics. It is the
 refore of continued interest to improve our understanding of propeller rel
 ated flow phenomena\, especially in the context of integrating the propell
 ers with airframes.\nAt the DNW the main emphasis has been developing the 
 testing technology and understanding of the wind tunnel measurement result
 s of powered models\, in applying the appropriate corrections to the resul
 ts. At the TU Delft we have attempted to look at the disturbances generate
 d by the interaction of propellers with solid surfaces. In the interaction
  with walls\, the thrust can generate vortices entering the propeller. Bot
 h the generation of the vortices as well as the effect of the vortices upo
 n the propeller are subjects of quantitative experimental studies and nume
 rical analysis. Furthermore\, the effect of the position of the propeller 
 relative to wings can also be quantified in the experimental rig of the TU
  Delft.\nThe results obtained by the speaker and collaborators so far in t
 he numerical and experimental modelling of the propeller interactions will
  be discussed. Furthermore an outlook will be given about the further deve
 lopment of the experimental capabilities that are needed to quantify prope
 ller integration effects.\n
LOCATION:LR3B\, Inglis Building\, CUED 
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