ABSTRACT Uniform blowing in wall bounded shear flows is well known for its drag reducing effects and has long been investigated ever since. However, many contemporary and former research on this topic has confirmed the drag reducing effect but very less is known regarding how blowing is effecting the Reynolds stresses at high Reynolds number. Therefore, effect of uniform blowing has been experimentally investigated using Stereo Particle Image Velocimetry (SPIV) measurements in a zero pressure gradient turbulent boundary layer (TBL). The data presented in this literature covers a large range of high Reynolds number flow e.g. Reθ = 7500∼19763 where Reynolds number is based on the momentum thickness. Upstream blowing was varied from 1%∼6% of free stream velocity and measurements were taken downstream after a short interval. Logarithmic and outer region of the TBL was given special attention in terms of investigating statistics and turbulence properties.

中文翻译：

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均匀吹气下高雷诺数湍流边界层的实验研究，第一部分：统计

摘要 壁界剪切流中的均匀吹气以其减阻效果而闻名，并且从那时起一直被研究。然而，关于这个主题的许多当代和以前的研究已经证实了减阻效果，但关于吹气如何影响高雷诺数下的雷诺应力的情况知之甚少。因此，在零压力梯度湍流边界层 (TBL) 中使用立体粒子图像测速 (SPIV) 测量对均匀吹气的影响进行了实验研究。该文献中提供的数据涵盖了大范围的高雷诺数流，例如 Reθ = 7500∼19763，其中雷诺数基于动量厚度。上游吹气从自由流速度的 1% 到 6% 不等，并在短时间间隔后对下游进行测量。