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Propeller wake velocity and pressure field
Giordano, G.; Romano, G.P.; Costanzo, M.; Di Felice, F.; Soave, M. (2002). Propeller wake velocity and pressure field, in: Pensa, C. (Ed.) Proceedings of the 6th Symposium on High Speed Marine Vehicles: WEMT Conference 2002, Castello di Baia, 18 - 20 September 2002. pp. II.49-II.56
In: Pensa, C. (Ed.) (2002). Proceedings of the 6th Symposium on High Speed Marine Vehicles: WEMT Conference 2002, Castello di Baia, 18 - 20 September 2002. [S.n.]: [s.l.]. , more

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Document type: Conference paper

Keywords
    Air screws > Propellers
    Experimentation
    Flow
    Pressure distribution
Author keywords
    Propeller race; Schroefstraal

Authors  Top 
  • Giordano, G.
  • Romano, G.P.
  • Costanzo, M.
  • Di Felice, F.
  • Soave, M.

Abstract
    An experimental study of the flow and pressure field behind a marine propeller is reported. The flow field measurements, in phase with the propeller revolution angle, were performed by using Particle Image Velocimetry (PIV) and propeller wake evolution from the blade trailing edge to the slipstream contraction (near wake) was investigated. Pressure measurements, performed in four radial and eight longitudinal positions downstream the propeller, were carried out at different advance coefficients in order to point out the wake structures at different propeller operating conditions. The transducer data was analysed by using the slotting-technique to reconstruct the pressure in phase with the revolution of reference blade. Finally the correlation of the flow field and pressure signals is performed.

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