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首页> 外文期刊>Journal of Applied Mechanics and Technical Physics >FLOW REGIMES IN A SINGLE DIMPLE ON THE CHANNEL SURFACE
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FLOW REGIMES IN A SINGLE DIMPLE ON THE CHANNEL SURFACE

机译：通道表面上的单个波流图

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摘要

The boundaries of the domains of existence of flow regimes past single dimples made as spherical segments on a flat plate are determined with the use of available experimental results. Regimes of a diffuser-confuser flow, a horseshoe vortex, and a tornado-like vortex in the dimple are considered. Neither a horseshoe vortex nor a tornado-like vortex is observed in dimples with the relative depth smaller than 0.1. Transformations from, the diffuser-confuser flow regime to the horseshoe vortex regime and from the horseshoe vortex flow to the tornado-like vortex flow are found to depend not only on the Reynolds number, but also on the relative depth of the spherical segment. Dependences for determining the boundaries of the regime existence domains are proposed, and parameters at which the experimental results can be generalized are given.
机译：通过使用可获得的实验结果，确定在平板上制成球形截面的单个酒窝经过的流态存在域的边界。考虑了扩散器-扩散器流，酒窝中的马蹄涡和龙卷风状涡的区域。在相对深度小于0.1的酒窝中未观察到马蹄形涡旋或龙卷风状涡旋。发现从扩散器-约束器流态到马蹄形涡流以及从马蹄形涡流到龙卷风状涡流的转变不仅取决于雷诺数，而且还取决于球形部分的相对深度。提出了确定方案存在域边界的依存关系，并给出了可以概括实验结果的参数。

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