UNSTEADY SUPERCAVITATING FLOW PAST CONES

作     者：HU Chao YANG Hong-lan ZHAO Cun-bao HUANG Wen-hu HU Chao Institute of Aerospace Engineering and Applied mechanics, Tongji Universtity, Shanghai 200092, China Department of Aerospace Engineering and Mechanics, Harbin Institute of Technology, Harbin 150001, China YANG Hong-lan, ZHAO Cun-bao, HUANG Wen-hu Department of Aerospace Engineering and Mechanics, Harbin Institute of Technology, Harbin 150001, China

作者机构：Institute of Aerospace Engineering and Applied mechanics Tongji Universtity Shanghai 200092 China Department of Aerospace Engineering and Mechanics Harbin Institute of Technology Harbin 150001 China Department of Aerospace Engineering and Mechanics Harbin Institute of Technology Harbin 150001 China 

出 版 物：《Journal of Hydrodynamics》 (水动力学研究与进展B辑（英文版）)

年 卷 期：2006年第18卷第3期

页      面：262-272页

核心收录：

学科分类：080103[工学-流体力学] 08[工学] 080104[工学-工程力学] 081502[工学-水力学及河流动力学] 0815[工学-水利工程] 0801[工学-力学（可授工学、理学学位）] 

基　　金：Project supported by the National Nature Science Foundation of China (Grant No:10572045) and Distinguished Young Scholar Science Foundation of Heilongjiang Province of China(Grant No: JC-9) 

主　　题：supercavitation cavitator unsteady flow,slender body theory integral equation method 

摘      要：Based on integral equation method, the study of unsteady supercavitating flow past cones is presented. The shape and length of supercavity are calculated respectively using the finite difference time discretization method. The characteristics of the shape and length of supercavities, which vary with the cone＇s angle and cavitation number, are investigated respectively, the varied features of some supercavity scales are analyzed when the flow field is perturbed periodically. The curves relationship between cavity length and cavitation number, which are based respectively on present method and other theories, are discussed and compared. It is obviously shown that the supercavity changes have two characteristics： retardance and wave. These results obtained would be useful in the case of design and analysis of cavitator under water.