vortex sheet instability 涡层不稳定
Instability of the vortex sheet 涡层不稳定
vortex induced tearing mode instability 涡旋撕裂模不稳定性
The result shows that the boundary layer radial vortex becomes an important factor for causing compressor flow instability.
结果表明，附面层径向涡是该压气机转子流动失稳的一个很重要的原因。
The forming and maintaining of K-H instability was an important reason of causing vortex on the shear line maintain, strengthen, and causing rainstorm.
不稳定的形成和维持，是导致中尺度切变线上小尺度涡旋维持、加强，并产生强风暴雨的重要原因。
Besides, a notable vortex rope and a reverse flow structure exist in the draft tube in smaller wicket gate openings, which can easily lead to the instability in operation of the pump-turbine.
此外，发现开度较小时尾水管内存在明显的涡带和回流涡结构，容易导致机组运行的不稳定；
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