A Procedure for Optimizing Cavitating Propeller Blades in a Given Wake

被引：4
|
作者：
Han, Kai-Jia [1 ]
Bark, Goran [1 ]
Larsson, Lars [1 ]
Regnstrom, Bjorn [2 ]
机构：
[1] Chalmers Univ Technol, Marin Tekn, S-41296 Gothenburg, Sweden
[2] Flowtech Int AB, Gothenburg, Sweden
来源：
SHIP TECHNOLOGY RESEARCH | 2006年 / 53卷 / 01期
关键词：
cavitation; optimization; propeller; wake;
D O I：
10.1179/str.2006.53.1.006
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 blade geometry of a cavitating propeller in a given wake is optimized to maximize propeller efficiency and minimize propeller induced pressure fluctuations. The Keller criterion. the cavity volume and other constraints are considered in the optimization process. Such constraints are cavity area. cavity length and face side pressure. These are switched on separately or simultaneously to investigate their influence on cavitation and efficiency. The optimization starts from a near optimum propeller as well as from an off-design propeller. Results indicate that the present optimization technique can yield higher efficiency and lower pressure amplitude with tolerable cavitation for a cavitating propeller in a given wake.
引用
收藏
页码：39 / +
页数：15
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