摘要
螺旋桨毂帽鳍能够回收部分螺旋桨旋转尾流能量、消除螺旋桨桨毂后端的低压区,是一种有效的节能装置。论文中,螺旋桨与毂帽鳍作为一个整体进行一体化优化设计,并在设计过程中融入桨叶根部加载的设计思想。桨叶根部适当加载,可均匀螺旋桨径向载荷,减小螺旋桨激励力,并有利于抑制梢涡产生;毂帽鳍可用以消除毂涡,并提供附加推力。论文通过势流理论、粘性CFD技术和改进的粒子群优化算法及模型敞水试验来进行设计方法的研究。提出理论设计与数值优化设计相融合的螺旋桨与毂帽鳍一体化优化设计方法。设计方案的模型试验结果表明,设计的螺旋桨与毂帽鳍具有更高的整体推进效率;设计方法是有效、可靠、实用的。
In this article, PBCF and propeller are considered as a whole unit and an integrative design procedure is carried out, in which uploading at blade root is emphasized. Uploading in blade root will generate hub vortex, which can be restrained by PBCF because of its energy saving mechanism. An integrative propeller-PBCF design method is provided. Potential flow theory, CFD tools, artificial intelligence optimization algorithm, and model tests are applied in completion of this design method. Model test data indicate higher efficiency of the propeller-PBCF unit by this design method, and utility, robustness and practicality of the design method is shown.
出处
《中国造船》
EI
CSCD
北大核心
2014年第3期101-107,共7页
Shipbuilding of China
基金
国家自然科学基金资助项目(No.51079158)
中国博士后科学基金资助项目(2012M512140)
关键词
毂帽鳍
叶根加载
一体化设计
PBCF
uploading in blade root
integrative design
