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简要地阐述了不同湍流度情况下某翼身组合体模型头部无粗糙带以及粘贴有两侧型粗糙带,40°,60°和70°“只”字型粗糙带等5 种状态的实验结果,并对实验结果进行了分析。实验的湍流度为:0.02% ,0.10% 和0.33% 。实验结果表明,不同的粗糙带对模型的气动特性有较大的影响。总的来说,上述几种粗糙带状态对气动特性的影响可以简单地分成两种类型,即“有影响型”和“无影响型”。研究还表明,湍流度对大攻角时气动特性的影响是不可忽视的,并且表现出十分复杂的特性。当湍流度自0.10% 变化到0.33% 时,湍流度对该翼身组合体模型气动特性的影响相对而言并不大。但当湍流度自0.02% 变化到0.10% 时,湍流度的影响则较大
In this paper, we briefly describe the experimental results of five states with no roughness at the head of a wing-body assembly model with different turbulence degrees and with two-sided roughing band, 40 °, 60 ° and 70 ° “only” Results, and the experimental results were analyzed. The experimental turbulence is: 0.02%, 0.10% and 0.33%. The experimental results show that the different rough bands have a great influence on the aerodynamic characteristics of the model. In summary, the effects of several rough band states on aerodynamic characteristics can be simply divided into two types, “influential” and “non-influential.” The study also shows that turbulence effects on aerodynamic characteristics at large angles of attack can not be ignored, and show very complex characteristics. When turbulence changes from 0.10% to 0.33%, the effect of turbulence on the aerodynamic characteristics of the wing-body assembly model is relatively insignificant. However, when the turbulence changes from 0.02% to 0.10%, turbulence has a greater effect