One technical difficulty is cavitation, where low pressure behind a turning blade causes air bubbles.
一个技术难题是气穴现象，一旦发生气穴现象，位于旋转螺旋桨叶后方的低压会产生气泡。
The import, in order to prevent the pump cavitation.
泵的进口，为防止汽蚀。
Avoid continued operation within the cavitation zone.
避免在空穴区域内持续运行。
Pump cavitation, the flow should be run down or slow down;
泵产生汽蚀时，应把流量调小或降速运行；
There is no cavitation damage and irrigation water and so on.
不存在汽蚀破坏及灌引水等问题。
Cavitation can make the surface trim have worn, and deep pits.
汽蚀可使阀内件的表面产生磨痕、深沟及凹坑。
The essential character of cavitation noise has been analysed.
本文分析了空化噪声的基本特性。
The total diameter of cavitation, if present, is less than 4cm.
若出现空洞，其直径总和小于4厘米。
There is no cavitation damage and issues such as irrigation water.
不存在汽蚀破坏及灌引水等问题。
Cavitation is the main harm in turbine, which is difficult to avoid.
空化现象是水轮机中难以避免的主要危害。
Mechanics research on chief draining pump cavitation damage in coal mine;
在煤矿井下的排水系统中，需要多台排水泵协调地工作。
This method is more suitable for pump cavitation performance curve fitting.
该方法较适合于泵汽蚀性能曲线的拟合。
And a lot of ultrasonic cavitation is an important mechanism of ultrasound.
而超声空化是很多超声应用的重要机理。
Cast iron containing vanadium has good cavitation resistance in salt solution.
含钒铸铁有较强的抗食盐水汽蚀能力。
Only in some special cases the cavitation mechanism could be used under control.
而在另外一些情况下，则可有控制地利用空化机制。
Downstream of the valve's pressure increases, the cavitation bubble crush process process.
阀下游的压力升高，压破气泡的过程即空化过程。
The place downstream of bucket in an open channel is easily subject to cavitation damages.
明流反弧段是容易发生空蚀的部位。
The present paper analyzes the relationship between the body speed and THS cavitation noise.
本文对物体空化噪声与运动速度之间的相互关系进行了分忻。
Multistage decompression regulating valve is mainly applied to cavitation, high noise, fluid high pressure environment.
多级降压调节阀主要应用于有气蚀、噪音高、流体压差高的环境。
Multistage decompression regulating valve is mainly applied to cavitation, high noise, fluid high pressure environment.
多级降压调节阀主要应用于有气蚀、噪音高、流体压差高的环境。
应用推荐