The tangential velocity distribution measured in this study is similar to a vortex core existing along the jet axis.
旋转射流的切向速度分布相当于射流中存在一个旋转的涡核。
At the vortex center zone, the tangential velocity was less than the axial velocity.
涡心附近的切向速度小于轴向速度。
For dust devils, the tangential velocity profile behaves like Rankine vortex, so it could be regarded as a kind of Rankine-like vortex.
尘卷风是一种类兰金涡，旋转速度和压力的分布具有兰金组合涡的特点；
For dust devils, the tangential velocity profile behaves like Rankine vortex, so it could be regarded as a kind of Rankine-like vortex.
尘卷风是一种类兰金涡，旋转速度和压力的分布具有兰金组合涡的特点；
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