1978•Unpublished venueRequires access

Off-Design Performance Analysis of Ducted Propellers

NICHOLAS P. CARACOSTAS

Abstract

The paper presents an outline of a new theoretical method for the calculation of the off-design performance characteristics of ducted propellers. The model for the duct performance calculation is an advanced non-linear model based on surface vorticity distribution techniques. The propeller model is a combination of principles postulated by momentum, blade-element and lifting line with lifting surface corrections theories of propeller action.

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Available abstract

Key concepts: Propeller, Propulsor, Marine engineering, Vorticity, Blade element theory, Finite element method, Computer science, Duct (anatomy)