首页 | 本学科首页   官方微博 | 高级检索  
     检索      

船舶螺旋桨尾流场的数值分析
引用本文:苏玉民,甲斐寿,等.船舶螺旋桨尾流场的数值分析[J].海洋工程,2002,20(3):44-48.
作者姓名:苏玉民  甲斐寿
作者单位:1. 哈尔滨工程大学,船舶工程学院,黑龙江,哈尔滨,150001
2. 横滨国立大学,工学部船舶与海洋工程系,日本,横滨,240-8501
摘    要:利用基于速度势的低阶面元法计算船舶螺旋桨的尾流场。采用计算较为简捷的关于扰动速度势的基本积分微分方程,并采用双曲面形状的面凶以消除面元间的缝隙。Newton-Raphson迭代过程被用来在桨叶随边满足压力Kutta条件,使桨叶面上表面的压力在随边有良好的一致性。在计算面元的影响系数时,应用了Morino导出的解析计算公式,加快了数值计算的速度。从解面元法的基本积分方程得到的偶极强度和源汇强度,直接求得尾流场的速度分布。

关 键 词:船舶  数值分析  螺旋桨  尾流场  面元法  速度势
文章编号:1005-9865(2002)03-0044-05
修稿时间:2001年4月2日

Numerical analysis of the flow field around marine propellers by surface panel method
SU Yu min,IKEHATA Mitsuhis,KAI Hisashi.Numerical analysis of the flow field around marine propellers by surface panel method[J].Ocean Engineering,2002,20(3):44-48.
Authors:SU Yu min  IKEHATA Mitsuhis  KAI Hisashi
Institution:SU Yu min 1,IKEHATA Mitsuhisa 2,KAI Hisashi 2
Abstract:The potential based low order surface panel method is used to calculate the flow field behind marine propellers. In the present method the hyperboloidal quadrilateral panels are employed to avoid the gaps between the panels. The influence coefficients of panels are determined by Morino's analytical formulations for increasing numerically calculating speed. The pressure Kutta condition is satisfied on the trailing edge of propeller blade by Newton-Raphson iterative procedure. Therefore the pressure coefficients of the suction and pressure faces of blade are equal on trailing edge. By solving the fundamental integral equation in panel surface method, the intensities of doublets and sources on the surface of marine propellers can be obtained. With these doublets and sources the velocity distributions in the flow field behind marine propellers are derived. The flow fields of two propellers are calculated and the results are compared with the experimental data.
Keywords:propeller  flow field behind propellers  surface panel method  potential
本文献已被 CNKI 维普 万方数据 等数据库收录!
点击此处可从《海洋工程》浏览原始摘要信息
点击此处可从《海洋工程》下载免费的PDF全文
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号