利用这些模型可数值模拟水轮机中含沙水流的流动、沙粒在水轮机过流通道内的浓度分布、运动轨迹及水轮机过流部件的磨损率。
These models can be used to predict the sandy water flow in hydraulic turbine, the sand particle trajectories in hydraulic ducts and the wear rates of hydraulic turbine components.
板子沟、桃关沟和彻底关沟均为低频率泥石流或高含沙洪水，平均20～50年发生一次；
The debris flow gullies of Banzi, Taoguan and Chediguan generate low frequency and low viscous debris flows or hyper-concentrated flows with an average interval of 20~50 years.
介绍了旋转环形水槽的结构和工作原理，提出了削弱环形水流离心力的方法，通过环形水槽中周期往复流泥沙运动试验得出水体含沙量与床面剪切力和水体挟沙力之间的关系。
The method of weakening centrifugal force in the rotary ring flume is proposed and sediment movement under the effect of periodic reciprocating current is tested in the ring flume.
得到了在清水和含沙水条件下两种活动导叶与固定导叶的最佳相对安放位置和流场的不同特性。
Optimum guide vane and bucket positioning with flow field characterris-ics both for clean and sandy water are…
得到了在清水和含沙水条件下两种活动导叶与固定导叶的最佳相对安放位置和流场的不同特性。
Optimum guide vane and bucket positioning with flow field characterris-ics both for clean and sandy water are…
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