Leading Edge Separation Control on an Airfoil in Fully-Reversed Condition

2014 ◽  
Author(s):  
Christopher J. Clifford ◽  
Achal Singhal ◽  
Mo Samimy
Keyword(s):  
Leading Edge ◽  
Separation Control ◽  
Edge Separation

Experimental Study of Separation Control Over a Wide Range of Reynolds Numbers Using Dielectric Barrier Discharge Plasma Actuator on Airfoil

2017 ◽  
Author(s):  
Satoshi Sekimoto ◽  
Kozo Fujii ◽  
Masayuki Anyoji ◽  
Yuma Miyakawa ◽  
Shinichiro Ito ◽  
...  
Keyword(s):  
Dielectric Barrier Discharge ◽  
Barrier Discharge ◽  
Leading Edge ◽  
Reynolds Numbers ◽  
Plasma Actuator ◽  
Chord Length ◽  
Separation Control ◽  
Dielectric Barrier ◽  
Wide Range ◽  
Edge Separation

This study proposes separation control investigation using a Dielectric Barrier Discharge (DBD) plasma actuator on a NACA0015 airfoil over a wide range of Reynolds numbers. The airfoil was a two dimensional NACA0015 wing model with chord length of 200mm. Reynolds numbers based on the chord length were ranged from 252,000 to 1,008,000. A plasma actuator was installed at the leading edge and driven with AC voltage. Burst mode (duty cycle) actuations, in which nondimensional burst frequency F+ was ranged in 0.1–30, were applied. Time-averaged pressure measurements were conducted with angles of attack from 14deg to 22deg. The results show that initial flow fields without an actuation can be classified into three types; 1) leading edge separation, 2) trailing edge separation, and 3) hysteresis condition between 1) and 2), and the effect of burst actuation is different for each above initial condition.

Leading-Edge Separation Control by Means of Pulsed Vortex Generator Jets

AIAA Journal ◽  
2008 ◽  
Vol 46 (4) ◽  
pp. 837-846 ◽  
Author(s):  
Peter Scholz ◽  
Marcus Casper ◽  
Jens Ortmanns ◽  
Christian J. Kähler ◽  
Rolf Radespiel
Keyword(s):  
Vortex Generator ◽  
Leading Edge ◽  
Separation Control ◽  
Vortex Generator Jets ◽  
Edge Separation

Leading Edge Separation Control by Means of Pulsed Jet Actuators

2006 ◽  
Author(s):  
Peter Scholz ◽  
Jens Ortmanns ◽  
Christian Kahler ◽  
Rolf Radespiel
Keyword(s):  
Leading Edge ◽  
Separation Control ◽  
Pulsed Jet ◽  
Jet Actuators ◽  
Edge Separation

Investigation of airfoil leading edge separation control with nanosecond plasma actuator

2016 ◽  
Vol 1 (7) ◽  
Author(s):  
J. G. Zheng ◽  
Y. D. Cui ◽  
Z. J. Zhao ◽  
J. Li ◽  
B. C. Khoo
Keyword(s):  
Leading Edge ◽  
Plasma Actuator ◽  
Separation Control ◽  
Edge Separation

Leading-Edge Separation Control Using Alternating-Current and Nanosecond-Pulse Plasma Actuators

AIAA Journal ◽  
2014 ◽  
Vol 52 (9) ◽  
pp. 1871-1884 ◽  
Author(s):  
Christopher L. Kelley ◽  
Patrick O. Bowles ◽  
John Cooney ◽  
Chuan He ◽  
Thomas C. Corke ◽  
...  
Keyword(s):  
Leading Edge ◽  
Alternating Current ◽  
Nanosecond Pulse ◽  
Plasma Actuators ◽  
Pulse Plasma ◽  
Separation Control ◽  
Edge Separation

scholarly journals Effect of Jet Spacing on Swept-Wing Leading-Edge Separation Control

AIAA Journal ◽  
2018 ◽  
Vol 56 (7) ◽  
pp. 2907-2910
Author(s):  
Michael M. Walker ◽  
Kyle D. Hipp ◽  
Stuart I. Benton ◽  
Jeffrey P. Bons
Keyword(s):  
Leading Edge ◽  
Separation Control ◽  
Swept Wing ◽  
Edge Separation

High Lift Airfoil Leading Edge Separation Control with Nanosecond Pulse DBD Plasma Actuators

2010 ◽  
Author(s):  
Jesse Little ◽  
Keisuke Takashima ◽  
Munetake Nishihara ◽  
Igor Adamovich ◽  
Mo Samimy
Keyword(s):  
Leading Edge ◽  
Nanosecond Pulse ◽  
Plasma Actuators ◽  
Separation Control ◽  
Dbd Plasma ◽  
High Lift ◽  
Edge Separation

Rotational temperature imaging of a leading-edge separation in hypervelocity flow

2019 ◽  
Author(s):  
Laurent M. Le Page ◽  
Matthew Barrett ◽  
Sean O’Byrne ◽  
Sudhir L. Gai
Keyword(s):  
Rotational Temperature ◽  
Leading Edge ◽  
Temperature Imaging ◽  
Edge Separation
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