旋流器内的旋转流场中存在一内边界,其速度头为零;
The method is applicable for measuring vorticity of a strong rotational flow.该方法适用于具有强旋转流动涡量的测量。
A new product, rotational flow-limiting valve installed in combined sewage intercepting chamber was introduced.介绍了设置于合流制截流井中的一种新产品——旋流限流阀。