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https://doi.org/10.1017/S002211208400149X

has been cited by the following article:

• TITLE: Turbulence Intensity Effects on a Leading-Edge Separation Bubble of Flat Plate Wing at Low-Reynolds Numbers

  AUTHORS: Katsuya Kajiwara, Masayuki Anyoji

  KEYWORDS: Separation, Turbulence Transition, Fluid Dynamics

  JOURNAL NAME: Journal of Flow Control, Measurement & Visualization, Vol.8 No.4, October 13, 2020

  ABSTRACT: In this study, we experimentally investigate the effects of mainstream turbulence intensity (Ti) on a leading-edge separation bubble under low-Reynolds number (Rec) conditions range of 2.0 × 104 to 6.0 × 104. We used a flat plate to fix a separation point at the leading edge. Also, we visualized the behavior of the leading-edge separation bubble using the smoke wire technique and Particle Image Velocimetry (PIV) measurement. Furthermore, we measured the effect of Ti on the turbulent transition process in the separated shear layer using a hot-wire anemometer. The results indicate that the bypass transition for large Ti causes the turbulent transition, and so accelerates the reattachment of the separated shear layer. The results show that the bypass transition promotes the reattachment of the separated shear layer to maintain the leading-edge separation bubble on the upper surface even at high angles of attack, increasing the stall angle.