draft tube

基本解释

These results afford reference on the draft tube design in order to improve the operation stability.
这对改善尾水管设计、提高机组运行稳定性具有参考价值。
Amplitude and phase of pressure fluctuation at the inlet of draft tube as well as the inner flow in draft tube are analyzed in detail.
详细分析了尾水管进口截面的压力脉动的幅值和相位，并对尾水管内的流动做了分析。
Stress of surrounding concrete of each draft tube is analysed by the finite-element method under condition of the highest hydraulic pressure and the variable regularity of stress is obtained.
基于有限元法，分析了两个尾水管在各自最大内水压力条件下外围混凝土的受力，得到各自的应力变化规律和特点。