Characterization of a surface dielectric barrier discharge plasma ...
2011年9月6日 · The paper discusses experimental characterization of a surface dielectric barrier discharge plasma sustained by repetitive, high-voltage, nanosecond duration pulses. The discharge pulse energy is controlled primarily by the pulse peak voltage and scales approximately linearly with the length of the electrodes.
Surface Dielectric Barrier Discharge (sDBD) for Flow Control in Plasma …
2023年10月19日 · Due to the tiny plasma filaments in DBD discharges, efficient mixing of the gas flow with the plasma is essential. This is studied by using a surface dielectric barrier discharge (sDBD) with an electrode design similar to plasma actuators to optimize plasma-flow interaction.
Fundamental Properties and Applications of Dielectric Barrier ...
Dielectric barrier discharges (DBDs) are a promising plasma source for these kinds of applications due to their non-equilibrium conditions and their simple construction. This review provides a brief introduction to the breakdown mechanism and the various geometries of DBDs and presents several plasma-catalytic DBD applications.
- Plasma Development in Dielectric Barrier Surface Discharge
2004年1月1日 · This chapter explains the electron energy and surface electric field and experimentally investigates the plasma development along the dielectric surface in the dielectric barrier discharge by using a high speed CCD camera. The spreading velocity of plasma on the anode and cathode are obtained for different sustaining voltages and frequency.
Flow separation control in S-shaped ∼inlet with a nanosecond …
2021年10月26日 · A nanosecond pulsed surface dielectric barrier discharge (nSDBD) plasma actuator is proposed to eliminate the complex 3D flow separation in an S-shaped ∼engine inlet. A set of wind tunnel experiments based on pressure measurements are conducted to verify the flow control effectiveness and obtain the influence laws of actuation voltage, pulse ...
Imaging and Optical Emission Spectroscopy of Surface Dielectric Barrier ...
2024年12月12日 · We characterized non-thermal plasma generated in two types of Surface Dielectric Barrier Discharge (SDBD) reactors, one with a planar and the other with a cylindrical electrode. Plasma was examined using the time-resolved imaging and Optical Emission Spectroscopy (OES) methods.
A model of surface dielectric barrier discharge power
2021年4月12日 · Surface dielectric barrier discharge (SDBD) actuators are non-equilibrium plasma devices capable of generating forces in air without moving parts. A typical SDBD is shown in Fig. 1, with design and operating parameters tabulated in Table I.
Characterization of surface dielectric barrier discharge (SDBD) …
2018年3月30日 · Surface dielectric barrier discharge (SDBD) is widely applied in the field of active flow control. Its carrier is usually called plasma actuator (PA). However, it has a key drawback of short discharge lifetime due to the dielectric degradation under plasma processing.
Surface charge in dielectric barrier discharge plasma actuators
2008年7月21日 · Direct measurements of the dielectric surface potential and its dynamics in asymmetric dielectric barrier discharge (DBD) plasma actuators show that the charge builds up at the dielectric surface and extends far downstream of the plasma.
Characterization of Surface Dielectric Barrier Discharge Plasma ...
2012年11月13日 · A model for Nanosecond Pulsed Dielectric Barrier Discharge (NSDBD) actuator and its investigation on the mechanisms of separation control over an airfoil