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Numerical study of a sinusoidal transverse propeller

Communication avec acte
Author
FASSE, Guillaume
ccBAYEUL-LAINÉ, Annie-Claude
ccCOUTIER-DELGOSHA, Olivier
47147 Virginia Tech [Blacksburg]
531216 Laboratoire de Mécanique des Fluides de Lille - Kampé de Fériet [LMFL]
CURUTCHET, Arnaud
PAILLARD, Benoît
ccHAUVILLE, Frederic
13094 Institut de Recherche de l'Ecole Navale [IRENAV]

URI
http://hdl.handle.net/10985/20615
Date
2018

Abstract

In order to obtain higher propulsion efficiency for marine transportation, the authors have numerically tested a novel trochoidal propeller using a sinusoidal blade pitch function. The main results presented here are the evaluation of thrust and torque, as well as the calculated hydrodynamic efficiency, for various absolute advance coefficients. The performance of the present sinusoidal-pitch trochoidal propeller is compared with previous analytical calculations of transverse propeller performances. Calculations for the trochoidal propeller are performed using a two-dimensional model. The numerical calculation is used to optimize the foil pitch function in order to achieve the highest efficiency for a given geometry and operational parameters. Foil-to-foil interactions are also studied for multiple-foil propellers to determine the effects of the blade number on the hydrodynamic efficiency

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  • Institut de Recherche de l’École navale (IRENAV)
  • Laboratoire de Mécanique des Fluides de Lille (LMFL)

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