vortex ring 涡圈 ; [流] 涡流环 ; 涡动环
vortex ring flow 涡环怜
vortex-ring cascade 涡环级联
anti-vortex ring 防涡圈
vortex ring effect 漩涡环效应
vortex ring state 涡环状态
rotor vortex ring 旋翼涡环
·2,447,543篇论文数据，部分数据来源于NoteExpress
N a stable perturbation in a fluid that takes the form of a torus in which the flow rotates in the section of the torus so that the pressure difference between the inside and outside of the torus balances body forces. The best-known vortex ring is a smoke ring 涡环
The result shows that the model of neural network can predict the effect of blade negative-twist on helicopter vortex-ring state.
计算结果表明，神经网络模型能够准确预测桨叶负扭度对直升机涡环状态的影响。
To investigate helicopter vortex-ring state, the phenomenon and reason of helicopter vortex-ring state flight accident is analyzed from the view of helicopter aerodynamics.
针对直升机特有的涡环飞行状态，根据直升机空气动力学理论，分析了直升机涡环状态飞行事故的现象及成因。
In addition to balance vortex internal pressure of compressed gas beyond, still provides top and bottom sealing force between the slot, the sealing force to achieve by floating sealing ring.
除了平衡涡旋内部压缩气体压力以外，还提供了顶端和底槽间的密封力，该密封力靠浮动密封圈来实现。
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