The result of the separation of the boundary layer of the mechanical seal-

The result of the separation of the boundary layer of the mechanical seal

　2017-03-04　　

The result of boundary layer separation of mechanical seal

In the separation zone and its vicinity, the pressure distribution on the wall obtained by the external potential flow is very different from the actual pressure distribution. Therefore, the wall pressure distribution obtained by the external potential flow meter cannot be used. It makes the object The drag increases sharply, and the lift decreases.

The separation of the boundary layer will cause the stall of the rotating machine pump, which will further cause unstable conditions such as surge, flutter and rotational stall, which will cause the mechanical seal to vibrate. High-speed rotating seals can also stall due to the separation of the boundary layer.　　326.html,

Boundary layer separation in mechanical seal application 　　 shear flow during mechanical seal movement