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Detached-eddy simulation of flow around a pitching NACA 0015 airfoil with actuation slots

DOI: 10.1615/ICHMT.2012.ProcSevIntSympTurbHeatTransfPal.2490
pages 2418-2421

R.Y. Hu
School of Aerospace, Tsinghua University, Yifu building, Tsinghua University, 100084 Beijing, China

L. Wang
School of Aerospace, Tsinghua University, Yifu building, Tsinghua University, 100084 Beijing, China

Zhixiang Xiao
School of Aerospace Engineering, Tsinghua University, Yifu building, Tsinghua University, 100084 Beijing, China

Song Fu
Department of Engineering Mechanics, School of Aerospace Engineering, Tsinghua University, Beijing, 100084, China

Sinopsis

The present paper performs Detached-Eddy Simulations of the actively controlled flow over a 0.35 m chord NACA0015 airfoil at an incidence angle of 11° and a chord Reynolds number of 1 million. Flow separation can be delayed by pulsed blowing through a slot positioned at 30% of the chord length. By simulating different excitation frequencies and intensities, an optimum flow control condition is identified, which agrees well with the one in experiment.

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