上下壁影響が大きい二次元流路内の擬似SC空洞の超高速写真観察

抄録

When the wall effects as well as the blockage factors B is small, our high-speed observations of pseudo-supercavitating cavities clearly showed such an important fact as the flow shifts comparatively stably between the subcavitating region and the transient one, and between the transient one and the supercavitating one. In this paper, in order to clarify the flow shift aspects in a two-dimensional channel of extremely high wall effects, we carefully observe high-speed cavity behavior for the most practical case when B is large such as in a supercavitating cascade, showing the similar results as the flow shifts are stable, even in this case.