空化对叶顶间隙泄漏涡演变特性及特征参数影响的大涡模拟研究1) |
程怀玉, 季斌, 龙新平, 槐文信 |
LES INVESTIGATION ON THE INFLUENCE OF CAVITATION ON THE EVOLUTION AND CHARACTERISTICS OF TIP LEAKAGE VORTEX1) |
Cheng Huaiyu, Ji Bin, Long Xinping, Huai Wenxin |
图14 一个典型片空化周期内涡结构(左, $Q=5.0\times 10^{5}$ s$^{-2})$及空化演变(右, $\alpha_{\rm v}=0.1$), $\tau =2.0$ |
Fig.14 Evolutions of vortex (left, $Q=5.0\times 10^{5}$ s$^{-2})$ and cavities (right, $\alpha_{\rm v}=0.1$) in a typical cycle, $\tau =2.0$ |