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Lookup NU author(s): Professor Pengfei LiuORCiD
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To provide experimental data on the hydrodynamic characteristics and features of dynamic positioning (DP) thrusters under variable operating conditions, wake measurements were performed on a DP thruster model using 2D laser Doppler velocimetry (LDV) and stereoscopic particle image velocimetry (SPIV). These tests were performed with and without a nozzle and over a range of advance coefficient values including the bollard pull condition. In this paper a detailed analysis of the hydrodynamic characteristics of the wake at a plane equal to a distance of 0.5 diameters downstream from the thruster, at advance coefficient values of 0, 0.4, and 0.45 are presented for both the LDV and SPIV measurements showing a comparison between the results of each technique. The effect of the duct and of changes in the advance coefficient values is presented in this paper. Copyright © 2006 by ASME.
Author(s): El Lababidy S, Bose N, Liu P, Di Felice F
Publication type: Article
Publication status: Published
Journal: Journal of Offshore Mechanics and Arctic Engineering
Print publication date: 01/05/2006
Online publication date: 04/11/2005
ISSN (print): 0892-7219
ISSN (electronic): 1528-896X
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