The attenuated law of flow field inside the nozzle block of the air jet vortex spinning is investigated by the method of numerical computation.
通过数值计算对喷气涡流纺喷嘴内部流场衰减规律进行探讨。
It is proved that the motion of the filament - like vortex is governed by a law of curvature flow in 3 dimensions.
证明了在3维情形，线状涡漩的运动服从一个曲率流方程。
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