The optimization of the layout of the stilling well was also studied. The results show that the sudden enlargement between the circular inlet and the shaft in this spillway is significantly different from the traditional face-stuck shaft. This can prevent cavitation of the vertical shaft by high-velocity flow, reducing the difficulty of construction.

研究表明99久久99久久久精品齐齐，該溢洪道自環(huán)形進(jìn)水口以下采用突擴方式與豎井連接所形成的脫壁水流結(jié)構(gòu)97青青操在线，與傳統(tǒng)的貼壁式豎井的水流結(jié)構(gòu)具有明顯不同专看一级黄色片的网站，不僅可以有效避免豎井段因水流流速較高可能造成的空化空蝕破壞蜜桃视频午夜播放网站免费观看大全，降低施工難度，而且有利于水舌摻氣并促進(jìn)消力井消能欧美性爱激情综合。