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通过风洞实验给出了二维串列双圆柱在高雷诺数时(分别为Re=2.10×105和Re=4.52×105)的平均压力分布。实验在低湍流度的均匀流中进行,模型表面光滑。实验结果发现;在亚临界雷诺数时串列双圆柱临界间距时有一些新的现象;在超临界雷诺数时串列双圆柱的平均压力分布显示出与亚临界雷诺数时截然不同的特性。就总体而言,超临界雷诺数时前后住间的相互干扰要比亚临界时小得多。
The average pressure distribution of two-dimensional tandem double cylinder at high Reynolds number (Re = 2.10 × 105 and Re = 4.52 × 105, respectively) is given by wind tunnel experiment. Experiments were performed in a uniform flow of low turbulence with a smooth surface. The experimental results show that there are some new phenomena in the subcritical twin cylinders with subcritical Reynolds number, and the average pressure distribution of tandem cylinders in supercritical Reynolds numbers shows distinct characteristics when compared with subcritical Reynolds numbers. In general, the inter-room interference before and after the supercritical Reynolds number is much smaller than the sub-critical.