The motivation of this work is to develop a numerical tool to explore a new propeller design with dual-cavitating characteristics, i.e., one that is capable of operating efficiently at low speeds in subcavitating (fully wetted) mode and at high speeds in the supercavitating mode. To compute the hydrodynamic performance, a three-dimensional (3D) potential-based boundary element method (BEM) is presented. The BEM is able to predict complex cavitation patterns and blade forces on fully submerged and partially submerged propellers in subcavitating, partially cavitating, fully cavitating, and ventilated conditions. To study the hydroelastic characteristic of potential designs, the 3D BEM is coupled with a 3D finite element method (FEM) to compute the blade stresses, deflections, and dynamic characteristics. An overview of the formulation for both the BEM and FEM is presented. The numerical predictions are compared to experimental measurements for the well-known Newton Rader (NR) three-bladed propeller series with varying pitch and blade area ratios. Comparison of the performance of the Newton Rader blade section to conventional blade sections is presented.
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e-mail: yyoung@princeton.edu
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June 2007
Technical Papers
A Numerical Tool for the Design/Analysis of Dual-Cavitating Propellers
Y. L. Young,
Y. L. Young
Department of Civil and Environmental Engineering,
e-mail: yyoung@princeton.edu
Princeton University
, Princeton, NJ 08544
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Y. T. Shen
Y. T. Shen
Search for other works by this author on:
Y. L. Young
Department of Civil and Environmental Engineering,
Princeton University
, Princeton, NJ 08544e-mail: yyoung@princeton.edu
Y. T. Shen
J. Fluids Eng. Jun 2007, 129(6): 720-730 (11 pages)
Published Online: November 30, 2006
Article history
Received:
June 7, 2006
Revised:
November 30, 2006
Citation
Young, Y. L., and Shen, Y. T. (November 30, 2006). "A Numerical Tool for the Design/Analysis of Dual-Cavitating Propellers." ASME. J. Fluids Eng. June 2007; 129(6): 720–730. https://doi.org/10.1115/1.2734224
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