Study of the supercavitation is in the primary state in our country . and the area of experimental facilities concerning supercavitation is almost a blank . this is a big obstacle in the way of developing of supercavitation theory 我国对于超空化的研究目前处于起步阶段，超空化研究的专用试验设备基本是一片空白，这严重制约着超空泡理论的深入研究。
The research in this paper has been supported by the super - cavitating hydro - mechanics theory on the super - velocity underwater weapon research program administered by the office of nation defense key lab fund ( contract 99js21 . 1 . hko302 ) , and it is the important part of the program 本论文的选题来源于国防重点实验室基金课题“超高速水中兵器的超空泡水动力原理研究” ( 99js21 . 1 . hko302 ) ，并是该课题研究内容的重要组成部分。
The main work in this paper includes four parts : the theory research on supercavitat ing axisymmetric bodies , the numerical computations of the pressure and the velocity of the supercavity surface , experimental investigations and computer simulation of supercavitation on axisymmetric bodies 本文的主要研究工作包括：鱼雷超空泡数学模型的理论分析、超空泡表面的压力和速度数值计算、超空化实验研究和超空泡可视化仿真四个部分。
By using the simulation language open gl and programming environment vc + + 6 . 0 , the torpedo supercavitation simulation programis developed . with the program , we can study the supercaviting byvaring the value of the shape of the cavitato , the pressure and the mainstream velocity 应用仿真语言opengl和编程开发环境vc + + 6 . 0 ，初步开发了鱼雷超空化仿真程序，本程序可以通过改变空化器形状、压力值、水流速度等参数来考察超空泡的形状。
The main work in this paper includes three parts : the theory research on partially - cavitating and super - cavitating axisymmetric bodies , the numerical computations and experimental investigations on partially - cavitation and super - cavitation on axisymmetric bodies . after finishing the study of theory and experiment on the partially - cavitation and super - cavitation for axisymmetric body , i use the potential flow theory to build the mathematical model on the partially - cavitation and super - cavitation for axisymmetric body . many cavity wake models , such as pressure recovery close model , riabouchinsky model and re - entrant jet model , are studied seriously 本文在深入研究了回转体局部空化与超空化理论及实验结果的基础上，基于势流理论，建立了回转体局部空泡和超空泡流场的基本数学模型，通过对kinnas和fine 、 uhlman以及jiedang和gertkuiper等人基于二维水翼提出的压力恢复闭合模型、镜像板模型和回射流模型等空泡尾流模型进行了逐一的研究分析，发现其中的压力恢复闭合模型较适用于模拟回转体空泡尾部流场，并选用此空泡尾流模型作为求解回转体空化流场正问题与逆问题的数学模型的组成部分。
According to the mathematical model and the numerical method , the cavity shape and hydrodynamic characteristics of two kinds of head shape on cavitating axisymmetric bodies at zero attack are computed in this paper . because the discretization method have effect on the convergence of the results , different kinds of discretization are employed in the partially - cavitating and super - cavitating flows 依据建立的数学模型与数值方法，对两种典型的回转体头部线型(即头部为光滑过渡曲线的回转体和头部有突变角度的回转体)的局部空泡和超空泡绕流场进行了数值计算。
This paper has presented the calculation formula and numerical solution methods to determine the range and volume of partially cavity , supercavity by using surface panel method , and has predicted the range and volume of unsteady cavitation of propeller by using surface panel method for the first time inland 本文叙述了应用面元法确定非定常螺旋桨局部空泡、超空泡的范围和体积的计算公式和数值求解方法，在国内首次应用面元法预报了螺旋桨非定常空泡的范围和体积。
