Following an experimental investigation into suppression of a 2-D turbulent boundary layer separation with dielectric barrier discharge (DBD) plasma actuators, the present work investigates the concept numerically. The purpose is to develop and validate a simulation tool that captures the flow physics and carry out a parametric study of the concept at flow regimes beyond the current flow control capability of plasma actuators of conventional strength. First, a plasma actuator model is integrated into the commercial computational fluid dynamics (CFD) code ANSYS CFX to simulate the effects of plasma actuation. This computational tool is validated through comparison of results with the experimental results for pulsed actuation in quiescent air and for the control of a turbulent boundary layer separation at low flow velocities. It is shown that CFX with an integrated plasma model can capture the main experimentally observed effects of DBD actuators on turbulent boundary layer separation. Subsequently, this numerical approach is used, with increased plasma actuator strength, to study the influence of different actuation parameters (e.g., actuation location, direction and frequency) on suppression of turbulent boundary layer separation at higher flow velocities.
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ASME 2010 International Mechanical Engineering Congress and Exposition
November 12–18, 2010
Vancouver, British Columbia, Canada
Conference Sponsors:
- ASME
ISBN:
978-0-7918-4444-1
PROCEEDINGS PAPER
Turbulent Boundary Layer Separation Control by Using DBD Plasma Actuators: Part II—Numerical Model Validation and Parametric Study
Xiaofei Xu,
Xiaofei Xu
Ecole Polytechnique de Montreal, Montreal, QC, Canada
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Huu Duc Vo,
Huu Duc Vo
Ecole Polytechnique de Montreal, Montreal, QC, Canada
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Njuki Mureithi,
Njuki Mureithi
Ecole Polytechnique de Montreal, Montreal, QC, Canada
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Xue Feng Zhang
Xue Feng Zhang
National Research Council Canada, Ottawa, ON, Canada
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Xiaofei Xu
Ecole Polytechnique de Montreal, Montreal, QC, Canada
Huu Duc Vo
Ecole Polytechnique de Montreal, Montreal, QC, Canada
Njuki Mureithi
Ecole Polytechnique de Montreal, Montreal, QC, Canada
Xue Feng Zhang
National Research Council Canada, Ottawa, ON, Canada
Paper No:
IMECE2010-37325, pp. 15-25; 11 pages
Published Online:
April 30, 2012
Citation
Xu, X, Vo, HD, Mureithi, N, & Zhang, XF. "Turbulent Boundary Layer Separation Control by Using DBD Plasma Actuators: Part II—Numerical Model Validation and Parametric Study." Proceedings of the ASME 2010 International Mechanical Engineering Congress and Exposition. Volume 7: Fluid Flow, Heat Transfer and Thermal Systems, Parts A and B. Vancouver, British Columbia, Canada. November 12–18, 2010. pp. 15-25. ASME. https://doi.org/10.1115/IMECE2010-37325
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