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Lookup NU author(s): Professor Pengfei LiuORCiD
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Thrusters working at low advance coefficients are employed in a wide range of offshore and marine applications on Floating, Production, Storage, and Offloading (FPSO) systems; shuttle tankers; tug boats; and mobile offshore units. Therefore, an understanding of the flow around the thrusters is of great practical interest. Despite this interest, there is lack of knowledge in the description of the hydrodynamic characteristics of a ducted thruster's wake at bollard pull and low advance coefficient values. This work was aimed at providing detailed data about the hydrodynamic characteristics of a Dynamic Positioning (DP) thruster near wake flow at different low advance coefficient values. Wake measurements were made during cavitation tunnel tests carried out on a ducted propeller model at the Italian Ship Model Basin (INSEAN), Rome, Italy. Through these experiments, the DP thruster near wake velocity components at different downstream axial planes, up to 1.5 diameters downstream, were obtained using a Stereoscopic Particle Image Velocimetry (SPIV) system. These experiments were carried out at different advance coefficient (J) values [bollard pull (J=0), J=0.4 and J=0.45]. Copyright © 2005 by ASME.
Author(s): El Lababidy S, Bose N, Liu P, Walker D, Di Felice F
Publication type: Article
Publication status: Published
Journal: Journal of Offshore Mechanics and Arctic Engineering
Year: 2005
Volume: 127
Issue: 3
Pages: 191-196
Print publication date: 01/08/2005
Online publication date: 03/03/2005
ISSN (print): 0892-7219
ISSN (electronic): 1528-896X
Publisher: ASME
URL: https://doi.org/10.1115/1.1951770
DOI: 10.1115/1.1951770
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