实验流体力学2012，Vol.26Issue(1)：61-65,104,6.
绕水翼超空化阶段汽液混合体动态特性的实验观测
Experimental measurements on the characteristics of water-vapor mixture in supercavitating flows around a hydrofoil
摘要
Abstract
The patterns of supercavitating flows around a hydronautics foil have been observed by means of a high-speed video camera and the digital particle image velocimetry (DPIV). The results show that the cavitation structure depends on the interaction of the water-vapor mixture phase and the vapor phase. Several features are obtained at the two-phase coexisting stage. Firstly, the velocity in the vapor region approaches the free stream level, while it is noticeably lower in the two-phase mixture region, and a large velocity gradient exists around the interface between the cavitation area and the free stream. Secondly, the upper and lower vortex bands form near the interface between the water-vapor mixture region and the free stream, and distinct time-resolved characteristics of the vorticity distribution are observed.关键词
水翼/超空化/汽液混合体/实验观测/空化水洞Key words
hydrofoil/ supercavitation/water-vapor mixture/ experimental measurement/ cavitation water tunnel分类
建筑与水利引用本文复制引用
李向宾,王国玉,张敏弟..绕水翼超空化阶段汽液混合体动态特性的实验观测[J].实验流体力学,2012,26(1):61-65,104,6.基金项目
国家自然科学基金项目(50679001)及中央高校基本科研业务费项目 （50679001）
