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Plasma and Flow Control in Aerodynamics
Research Guide
What is Plasma and Flow Control in Aerodynamics?
Plasma and flow control in aerodynamics is the application of plasma actuators, such as dielectric barrier discharge devices, to manipulate aerodynamic flows by inducing electrohydrodynamic effects for separation control, flow reattachment, and boundary layer control.
This field encompasses 22,682 works on plasma actuators including dielectric barrier discharge and synthetic jets for aerodynamic flow control. Research addresses separation control, flow reattachment, electrohydrodynamic effects, boundary layer control, and nanosecond pulse discharge. Applications extend to thermal management for electronics.
Topic Hierarchy
Research Sub-Topics
Dielectric Barrier Discharge Plasma Actuators
This sub-topic studies the physics and design of DBD plasma actuators for inducing electrohydrodynamic flow. Researchers optimize voltage waveforms and electrode geometries for aerodynamic applications.
Separation Control Using Plasma Actuators
This sub-topic focuses on delaying flow separation on airfoils and wings via plasma-induced vorticity. Researchers quantify lift enhancements and mechanisms in low-speed and transonic flows.
Nanosecond Pulse Discharge Plasma Actuators
This sub-topic investigates high-voltage nanosecond pulses for generating shock waves and thermal effects in flow control. Researchers explore applications in high-speed flows and shock mitigation.
Boundary Layer Control with Plasma
This sub-topic examines plasma effects on laminar-turbulent transition and skin friction reduction. Researchers model electrohydrodynamic instabilities and transition delay strategies.
Synthetic Jets for Flow Control
This sub-topic covers zero-net-mass-flux synthetic jets generated by oscillating diaphragms or actuators. Researchers study jet vectoring, impingement, and separation reattachment efficacy.
Why It Matters
Plasma actuators enable active flow control in aeronautics by generating ionic wind without moving parts, offering advantages over mechanical flaps or synthetic jets for industrial applications. Moreau (2007) demonstrated that non-thermal plasma actuators produce airflow control through electrohydrodynamic forces at atmospheric pressure. Corke et al. (2009) showed single-dielectric barrier discharge actuators effectively manage boundary layer separation on airfoils, reducing drag in high-lift conditions. Smith and Glezer (1998) illustrated synthetic jets, often paired with plasma methods, achieve flow reattachment via vortex pair interactions without net mass injection.
Reading Guide
Where to Start
"Dielectric Barrier Discharge Plasma Actuators for Flow Control" by Corke et al. (2009), as it provides a comprehensive review of the core mechanism and aerodynamic applications suitable for newcomers.
Key Papers Explained
Moreau (2007) introduces non-thermal plasma actuators' electrohydrodynamic principles for airflow control, which Corke et al. (2009) build upon by detailing dielectric barrier discharge designs and boundary layer effects. Smith and Glezer (1998) complement with synthetic jet formation mechanisms often integrated with plasma methods. Bhatnagar et al. (1954) supply the foundational kinetic model for ionized gas collisions underlying plasma behavior.
Paper Timeline
Most-cited paper highlighted in red. Papers ordered chronologically.
Advanced Directions
Focus persists on dielectric barrier discharge for separation control and boundary layer manipulation, as in Corke et al. (2009) and Moreau (2007). No recent preprints signal ongoing refinement of established electrohydrodynamic models without new breakthroughs.
Papers at a Glance
Frequently Asked Questions
What are dielectric barrier discharge plasma actuators?
Dielectric barrier discharge plasma actuators use a single dielectric layer to generate plasma at atmospheric pressure for flow control. Corke et al. (2009) describe their mechanism as producing ionic wind via electrohydrodynamic effects to manipulate boundary layers. These actuators have gained wide use in aerodynamic applications due to their simple construction and effectiveness in air.
How do non-thermal plasma actuators control airflow?
Non-thermal plasma actuators induce airflow by accelerating ions in an electric field, creating electrohydrodynamic body forces. Moreau (2007) explains that this method works without heating the gas significantly, making it suitable for aeronautical flow control. The actuators produce thrust for boundary layer manipulation and separation delay.
What role do synthetic jets play in flow control?
Synthetic jets form from counter-rotating vortex pairs generated by periodic diaphragm motion in a cavity, enabling zero-net-mass-flux flow control. Smith and Glezer (1998) detail their evolution into turbulent plane jets for reattachment and mixing enhancement. They complement plasma actuators in aerodynamic separation control.
What are key applications of plasma flow control?
Plasma flow control targets separation control, boundary layer management, and flow reattachment in aeronautics. Moreau (2007) and Corke et al. (2009) highlight uses in delaying stall on airfoils and improving lift-to-drag ratios. The approach also applies to thermal management in electronics via induced convection.
How does the Bhatnagar-Gross-Krook model relate to plasma flows?
The Bhatnagar-Gross-Krook model provides a kinetic theory for collision processes in ionized gases across pressure ranges. Bhatnagar et al. (1954) developed it for unified treatment of dynamic properties from Knudsen to aerodynamic limits. It supports modeling of electrohydrodynamic effects in plasma actuators.
What is the current state of plasma actuator research?
Research includes 22,682 works on plasma actuators for flow control, covering dielectric barrier discharge and nanosecond pulses. Key papers like Corke et al. (2009) and Moreau (2007) establish foundational mechanisms for boundary layer control. No recent preprints or news indicate steady focus on established methods.
Open Research Questions
- ? How can nanosecond pulse discharges optimize electrohydrodynamic effects for high-speed flow control?
- ? What are the limits of single-dielectric barrier discharge actuators in turbulent boundary layers?
- ? How do plasma actuators interact with synthetic jets for enhanced separation control?
- ? What modeling improvements are needed for collision processes in low-pressure plasma flows?
- ? How effective are plasma methods for thermal management under varying aerodynamic loads?
Recent Trends
The field maintains 22,682 works with no specified 5-year growth rate.
Core advancements rely on established papers like Corke et al. with 1241 citations on dielectric barrier discharge and Moreau (2007) with 1542 citations on non-thermal actuators.
2009Absence of recent preprints or news indicates stable research without reported shifts.
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