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Assessment of the capability of drag reduction of the shock control device 'SC bump' on airfoil flows and application aspects on wings

机译:评估防震装置“SC凸块”在翼型上的减少的能力和翅膀上的应用方面

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Based on studies abput various concepts to control the shock boundary layer interference the adaptive SC bump seems to be the most efficient shock control device to reduce drag in the off-design condition.The influence of the bump geometry on the drag behaviour is numerically investigated using a DA laminar airfoil and verified by airfoil experiments in the ONERA wind tunnel Ta.In spites of encouraging experimental results in drag reduction with a wing-body configuration equipped with a fixed bump in 3D flow condition,the practical application on wings is not solved due to design and integration problems.
机译:基于研究的各种概念来控制冲击边界层干扰,自适应SC凹凸似乎是最有效的冲击控制装置,以减少缺陷设计条件的拖动。使用数值研究了凸块几何对拖曳行为的影响通过翼型的翼型翼型在OneA风洞Ta中验证了DA层流翼型。在令人鼓舞的实验结果中,在翼身构型中造成翼形的实验结果,用3D流量条件的固定凹凸的翼形配置,翅膀的实际应用尚未解决设计和集成问题。

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