Nanosecond pulsed sliding dielectric barrier discharge plasma actuator for airflow control: Electrical, optical, and mechanical characteristics

Bayoda, Kossi D.; Bénard, Nicolas; Moreau, E.

doi:10.1063/1.4927844

Cited by 86 publications

(73 citation statements)

References 42 publications

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“…where N is the concentration of molecules). Under such conditions, the processes of excitation of electronic levels of nitrogen molecules N2 and oxygen O2, ionization and dissociation of molecules [8,16] actively occur in discharges in the air. This leads to the presence of significant ultraviolet part in the emission spectra due to the emission of molecular nitrogen and atomic lines (Fig.…”

Section: The Characteristics Of Surface Sliding Dischargementioning

confidence: 99%

“…The usage of low-temperature plasma of surface discharges of various types (plasma actuators) in plasma aerodynamics is aimed to correct the flow regime, including the reduce of dynamic and thermal loads on the surface, controlling the laminar-turbulent transition in the boundary layer, the position of separation zones and shock waves [8][9][10], and the processes of combustion [11]. Pulsed distributed surface sliding discharge of nanosecond duration (plasma sheet) can be used as an actuator to influence the flow [9].…”

Section: Introductionmentioning

confidence: 99%

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Visualization of the interaction region of an oblique shock wave with a boundary layer by the radiation of a nanosecond surface sliding discharge

Mursenkova¹,

Sazonov²,

Liao³

et al. 2019

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The spatial structure of radiation of a surface sliding discharge with a duration of ~ 300 ns (plasma sheet) in inhomogeneous supersonic air flows including oblique shock wave in a discharge chamber of shock tube was experimentally investigated. The flows were created behind plane shock waves with Mach numbers 2.8-4.2; flow Mach numbers were 1.30-1.60. The flow in the discharge chamber included an oblique shock wave generated by the interaction of a supersonic flow with a small obstacle, and then reflected from the upper wall of the discharge chamber. In this case, the shock wave interacted with the boundary layer of the supersonic flow, which formed on the streamlined wall. A surface sliding discharge with a length of 100 mm and 30 mm wide was initiated on a streamlined surface at a certain moment in time. The discharge current, emission spectra, and spatial characteristics of the radiation under various conditions of discharge initiation were obtained and analyzed in experiments. The time dependence of geometry of the discharge glow region was obtained by digital processing of discharge images in flows. CFD simulation was performed to determine the shock-wave structure of the flow in the channel with an obstacle under experimental conditions. The comparison of experimental data with the results of numerical calculation of the supersonic flow field was done. It was shown that the spatial distribution of radiation from a surface sliding discharge visualizes the low density areas and the separation zone formed under the interaction of an oblique shock wave with a boundary layer.

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Section: The Characteristics Of Surface Sliding Dischargementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Visualization of the interaction region of an oblique shock wave with a boundary layer by the radiation of a nanosecond surface sliding discharge

Mursenkova¹,

Sazonov²,

Liao³

et al. 2019

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“…Показано, что ударные волны от интенсивных каналов поверхностного разряда перед носом клина и за его донной частью могут оказывать нестационарное воздействие на обтекаемую поверхность продолжительностью до 120 µs после разряда. Модификация поля течения при помощи плазменных актуаторов может приводить к изменению характеристик обтекания тел высоко-скоростными потоками в результате взаимодействия плазмы с газовой средой [1][2][3][4][5]. В исследовательских задачах сверхзвуковой плазменной газодинамики такие устройства представляют значительный интерес из-за ряда преимуществ, в частности их быстродействия и возможности оптимального расположения на обтекаемой поверхности [1,3,5].…”

Section: поступило в редакцию 11 октября 2017 гunclassified

“…После дифракции ударной волны на клине в течение ∼ 100 µs устанавливалось его стационарное сверхзвуковое обтекание с клино-видной головной ударной волной [8] Импульсный скользящий поверхностный разряд развивается в тон-ком газовом слое вблизи поверхности диэлектрика при подаче импульс-ного напряжения на систему электродов специальной конфигурации и может применяться в качестве плазменного актуатора [2,3,6,7]. При-кладываемый импульс напряжения с крутизной нарастания ∼ 10 11 V/s имел амплитуду 16−25 kV, сила тока составляла ∼ 1 kA, длитель-ность ∼ 300 ns.…”

Section: поступило в редакцию 11 октября 2017 гunclassified

Влияние Импульсных Скользящих Поверхностных Разрядов На Сверхзвуковое Обтекание Тонкого Клина В Ударной Трубе

Мурсенкова¹,

Сазонов²,

Ляо³

2018

Письма В Журнал Технической Физики

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The influence of ~300-ns pulsed sliding surface discharges on supersonic airflow with M = 1.2–1.5 past a thin wedge has been studied in a shock tube at 0.12–0.14 kg/m^3 gas density. It is established that inhomogeneity of the airflow-density field near the wedge leads to changes in the discharge current geometry and the structure of surface-discharge glow. The dynamics of discharge-initiated shock waves disturbing the quasi-stationary flow past the wedge was studied by the method of shadow visualization. It is shown that shock waves from intense surface-discharge channels in front of the wedge and behind its rear part can produce nonstationary action on the flow past the wedge surface, which lasts for up to 120 μs after the discharge pulse.

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“…Dielectric barrier discharges (DBD) have been used in various industrial applications, such as non-equilibrium magnetohydrodynamic devices [1,2], enhancing ignition and plasmaassisted combustion [3,4], and flow-control actuators [5][6][7]. Extensive studies have been conducted to understand the fundamental mechanism and to improve DBD plasma actuator efficiency [8][9][10].…”

Section: Introductionmentioning

confidence: 99%

Investigation of nanosecond-pulsed dielectric barrier discharge actuators with powered electrodes of different exposures

Cai

Lian

2017

Plasma Sci. Technol.

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Nanosecond-pulsed dielectric barrier discharge actuators with powered electrodes of different exposures were investigated numerically by using a newly proposed plasma kinetic model. The governing equations include the coupled continuity plasma discharge equation, drift-diffusion equation, electron energy equation, Poisson's equation, and the Navier-Stokes equations. Powered electrodes of three different exposures were simulated to understand the effect of surface exposure on plasma discharge and surrounding flow field. Our study showed that the fully exposed powered electrode resulted in earlier reduced electric field breakdown and more intensive discharge characteristics than partially exposed and rounded-exposed ones. Our study also showed that the reduced electric field and heat release concentrated near the right upper tip of the powered electrode. The fully exposed electrode also led to stronger shock wave, higher heating temperature, and larger heated area.

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Nanosecond pulsed sliding dielectric barrier discharge plasma actuator for airflow control: Electrical, optical, and mechanical characteristics

Abstract: Articles you may be interested inEffect of a direct current bias on the electrohydrodynamic performance of a surface dielectric barrier discharge actuator for airflow control Experimental investigation on a vectorized aerodynamic dielectric barrier discharge plasma actuator array

Cited by 86 publications

References 42 publications

Visualization of the interaction region of an oblique shock wave with a boundary layer by the radiation of a nanosecond surface sliding discharge

Visualization of the interaction region of an oblique shock wave with a boundary layer by the radiation of a nanosecond surface sliding discharge

Влияние Импульсных Скользящих Поверхностных Разрядов На Сверхзвуковое Обтекание Тонкого Клина В Ударной Трубе

Investigation of nanosecond-pulsed dielectric barrier discharge actuators with powered electrodes of different exposures

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