Experimental Study of Plasma Flow Control on Highly Swept Delta Wing

The effect of plasma flow control on reducing aerodynamic drag for ground vehicles is investigated. The experiments were carried out for a simplified ground vehicle using single dielectric barrier discharge (SDBD) plasma actuators. The plasma actuators were designed to alter the flow structure in the wake region behind the vehicle. The Ahmed body was modified to allow eight different vehicle geometries (with backlight or slant angles of 0° and 35°). Each of these were further modified by rounding the edges with different radii. Flow visualizations such as particle streams and surface oil were used to quantify features of the local flow field. The drag on the models was measured using a force balance as well as by integrating the mean velocity profiles in the model wakes. The results indicated that flow modifications needed to be applied symmetrically (upper to lower and/or side to side). This was demonstrated with the 0° backlight angle (square-back) that had all four side-corners rounded. Plasma actuators were applied to all four of the rounded edges to enhance the ability to direct the flow into the wake. Wake measurements showed that steady actuation at a fixed actuator voltage reduced the drag by an average of 20% at the lower velocities (below 15 m/s) and by 3% at the highest velocity tested (20 m/s). Model constraints prevented increasing the plasma actuator voltage that was needed to maintain the higher drag reduction observed at the lower speeds.

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AC AND PULSED PLASMA FLOW CONTROL

42nd AIAA Aerospace Sciences Meeting and Exhibit ◽

10.2514/6.2004-847 ◽

2004 ◽

Cited By ~ 4

Author(s):

Richard Rivir ◽

A. White ◽

C. Carter ◽

B. Ganguly

Keyword(s):

Flow Control ◽

Plasma Flow ◽

Pulsed Plasma ◽

Plasma Flow Control

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Plasma Flow Control

Encyclopedia of Plasma Technology ◽

10.1081/e-eplt-120052929 ◽

2016 ◽

pp. 1016-1037

Keyword(s):

Flow Control ◽

Plasma Flow ◽

Plasma Flow Control

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Plasma Flow Control Simulation of a Low-Reynolds Number Low-Aspect-Ratio Wing

50th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition ◽

10.2514/6.2012-1138 ◽

2012 ◽

Cited By ~ 1

Author(s):

Donald Rizzetta ◽

Miguel Visbal

Keyword(s):

Reynolds Number ◽

Aspect Ratio ◽

Flow Control ◽

Plasma Flow ◽

Low Reynolds Number ◽

Low Aspect Ratio ◽

Control Simulation ◽

Plasma Flow Control ◽

Low Reynolds

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Recent developments in DBD plasma flow control

Progress in Aerospace Sciences ◽

10.1016/j.paerosci.2013.05.003 ◽

2013 ◽

Vol 62 ◽

pp. 52-78 ◽

Cited By ~ 222

Author(s):

Jin-Jun Wang ◽

Kwing-So Choi ◽

Li-Hao Feng ◽

Timothy N. Jukes ◽

Richard D. Whalley

Keyword(s):

Flow Control ◽

Plasma Flow ◽

Dbd Plasma ◽

Recent Developments ◽

Plasma Flow Control

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