Aytaç ŞANLISOY
(Mahina Mühendisliği,Mühendislik Fakültesi, Yalova Üniversitesi, Yalova, Türkiye)
Yahya Erkan AKANSU
(Niğde Ömer Halisdemir Üniversitesi, Makina Mühendisliği, Mühendislik Fakültesi, Niğde, Türkiye)
Yıl: 2020Cilt: 40Sayı: 1ISSN: 1300-3615Sayfa Aralığı: 131 - 139İngilizce

37 0
INVESTIGATING THE EFFECTS OF PLASMA ACTUATOR ON THE FLOW CONTROL AROUND NACA2415 AIRFOIL
In this study, the effects of the plasma actuator on flow control at varied Reynolds numbers and attack angles are examined. Plasma actuator is placed on the NACA2415 airfoil at x/C = 0.1. The effect of the actuator to active flow control is examined at Reynolds number between 8x103and 9x104in the wind tunnel. The lift force which acted on the airfoil was measured by using a force balance system. The velocity measurements were done by the hot-wire probe, located at the wake region, and the flow around model was visualized by the smoke wire method. When the plasma was active, an increased lift force and a narrowed wake region are observed. The stall angle shifted to the higher attack angle by the effective active flow control at low Reynolds numbers. Prevent of the flow separation was enhanced up to 18° angle of attack and the maximum lift force occurred at the 14° angle of attack which is doubled when the plasma actuator is on.
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