Numerical flow and performance analysis of waterjet propulsion system

被引:62
作者
Park, WG
Jang, JH
Chun, HH
Kim, MC
机构
[1] Pusan Natl Univ, Sch Mech Engn, Pusan 609735, South Korea
[2] Pusan Natl Univ, Dept Naval Architecture & Ocean Engn, Pusan 609735, South Korea
关键词
RANS equations; waterjet propulsor; sliding multiblock technique; propulsive performance;
D O I
10.1016/j.oceaneng.2005.02.004
中图分类号
U6 [水路运输]; P75 [海洋工程];
学科分类号
0814 ; 081505 ; 0824 ; 082401 ;
摘要
The numerical analysis of a waterjet propulsion system was performed to provide detail understanding of complicated three-dimensional viscous flow phenomena including interactions of intake duct, rotor, stator, and contracted discharge nozzle. The incompressible RANS equations were solved on a moving, non-orthogonal multiblocked grid system. To handle interface boundary between rotor and stator, the sliding multiblock technique using cubic spline and bilinear interpolation method was applied. The numerical results were compared with experiment and a good agreement was obtained. The complicated viscous flow feature of the waterjet, such as the secondary flow inside of the intake duct, the recovery of axial flow by the action of the stator, and tip vortex, etc. were well understood by the present simulation. The performances of thrust and torque were also predicted. (c) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1740 / 1761
页数:22
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