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DESIGN ASPECTS OF EFFICIENT MARINE PROPELLERS

T Van Beek, R Verbeek

Abstract

The basic propeller design parameters and their significance for propeller efficiency are considered in this paper. The influence of propeller-hull interaction, number of blades, blade area ratio and propeller load in propulsive efficiency are described. The implications of cavitation and pressure fluctuations on blade design are discussed, and the effects of skew on the stress levels and stress distribution in propeller blades are analyzed.

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Available abstract

Key concepts: Propeller, Hull, Propulsor, Skew, Marine engineering, Cavitation, Blade (archaeology), Blade pitch