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Numerical study of a sinusoidal transverse propeller

Article dans une revue avec comité de lecture
Author
FASSE, Guillaume
120930 Centrale Lille
CURUTCHET, A.
PAILLARD, B.
ccCOUTIER-DELGOSHA, Olivier
531216 Laboratoire de Mécanique des Fluides de Lille - Kampé de Fériet [LMFL]
ccHAUVILLE, Frederic
13094 Institut de Recherche de l'Ecole Navale [IRENAV]
ccBAYEUL-LAINÉ, Annie-Claude

URI
http://hdl.handle.net/10985/15002
DOI
10.1088/1755-1315/240/5/052007
Date
2019
Journal
IOP Conference Series: Earth and Environmental Science

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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