Examination of the flat and curved plates flying close to the ground is an appropriate approach in understanding the complexity of flow behavior near a solid or liquid surface. When a body flies close to a surface, the vortex structure behind the body is changed; therefore, the resultant lift force is more than zero. This phenomenon is named “ground effect”. In this study, flat and curved plates submerged in the ground boundary layer were numerically investigated under the ground effect. After validating the desired numerical code, the influences of adding porous layer to the plates with [Formula: see text] attack angle were examined on vortex structure and flow separation behind the plate under the ground effect. The obtained results revealed that using a porous zone significantly reduced the separation zone and changed the vortex shedding structure downstream of the plates.

中文翻译：

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使用多孔层压，数学建模控制地面效应下平板后面的分离区

检查靠近地面飞行的平板和弯曲板是了解固体或液体表面附近流动行为复杂性的适当方法。当一个物体靠近一个表面飞行时，它后面的涡流结构发生了变化；因此，合成升力大于零。这种现象被称为“地面效应”。在这项研究中，在地面效应下，对淹没在地面边界层中的平板和弯曲板进行了数值研究。在验证了所需的数字代码后，研究了在具有[公式：见正文]攻角的板上添加多孔层对地面效应下的涡流结构和板后流动分离的影响。