Experimental analysis of the flow field around a propeller–rudder configuration

The problem of an isolated free-running propeller–rudder combination is tackled in the present paper. The activity concerns phase-averaged velocity measurements by LDV along two transversal planes of the wake, just in the front and behind the rudder. In addition, visualizations of the chordwise inte...

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Bibliographic Details
Published in:Experiments in fluids 2009, Vol.46 (1), p.147-164
Main Authors: Felli, Mario, Roberto, Camussi, Guj, Giulio
Format: Article
Language:English
Subjects:
Applied sciences
Cameras
CMOS
Engineering
Engineering Fluid Dynamics
Engineering Thermodynamics
Exact sciences and technology
Fluid dynamics
Fluid flow
Fluid- and Aerodynamics
Fluids
Fundamental areas of phenomenology (including applications)
Ground, air and sea transportation, marine construction
Heat and Mass Transfer
Instrumentation for fluid dynamics
Marine construction
Physics
Research Article
Rudders
Wakes
Wing tip vortices
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Summary:The problem of an isolated free-running propeller–rudder combination is tackled in the present paper. The activity concerns phase-averaged velocity measurements by LDV along two transversal planes of the wake, just in the front and behind the rudder. In addition, visualizations of the chordwise interaction between the tip vortex filaments and the rudder, performed using a time resolved CMOS camera, are presented. The major phenomena that affect the performance of a rudder in the race of a propeller, with special emphasis on unsteady-flow aspects, are highlighted in this paper.
ISSN:0723-4864
1432-1114
DOI:10.1007/s00348-008-0550-0