The results show that the zones of negative pressure are elliptically distributed along the sidewall,and that their range and the value of negative pressure fluctuate greatly with wa...

• 结果表明,突扩突跌体型侧墙上存在呈椭圆形分布的负压区域,负压区的范围、负压值等随水头变化较大,但是负压区的中心位置具有相对稳定性,其相对稳定位置与侧空腔的长度有关。