Streamer inhibition for improving force and electric wind produced by DBD actuators

Debien, Antoine; Bénard, Nicolas; Moreau, Éric

doi:10.1088/0022-3727/45/21/215201

Cited by 140 publications

(121 citation statements)

References 26 publications

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“…This results in an effectiveness of 0.5 and 0.31 mN/W, respectively. This shows that the force Debien et al (2012a) effectiveness (in mN/W) decreases when the electrical power consumption increases.…”

Section: Time-averaged Discharge Thrust and Ehd Forcementioning

confidence: 76%

“…3, from Debien et al 2012a). The positive-going cycle is characterized by high current pulses, up to 250 mA in Fig.…”

Section: Discharge Currentmentioning

confidence: 97%

“…Sometimes the balance is placed in a Faraday box to prevent electromagnetic interferences. A very large number of authors used this method to determine the force produced by surface discharge, such as (Enloe et al 2004b;Debien et al 2012a;Kriegseis et al 2011b;Hoskinson and Hershkowitz 2010;Durscher and Roy 2011). Only three examples are presented in this section.…”

Section: Time-averaged Discharge Thrust and Ehd Forcementioning

confidence: 99%

“…More recently, Debien et al (2012a) measured the thrust T produced by a plate-to-plate single DBD using a 3-mm-thick dielectric. Figure 11a presents the measured thrust versus applied high voltage for three f AC frequency values.…”

Section: Time-averaged Discharge Thrust and Ehd Forcementioning

confidence: 99%

“…1 for x and y axes) with the help of a step-by-step motor with a spatial accuracy smaller than 0.1 mm. For instance, in Debien et al (2012a), a 0.6-mm-diameter glass tube is used to measure the pressure resulting from the produced electric wind. Pressure is measured by an analogical manometer, and the time-averaged horizontal component of the electric wind velocity is determined with Bernoulli equation.…”

Section: Time-averaged Electric Wind Velocitymentioning

confidence: 99%

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Electrical and mechanical characteristics of surface AC dielectric barrier discharge plasma actuators applied to airflow control

2014

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Sherman 1998). Then, different groups already having background experiences on corona discharges and their interactions with quiescent or moving flows formed a new highly motivated community that contributes to the dissemination of the advantages and relevancy of non-thermal plasma discharges as an alternative to conventional flow actuators (Moreau 2007;Corke et al. 2009Corke et al. , 2010. Rapidly, the number of publications in journals and conference exponentially grows to finally become a full interdisciplinary research field. The sudden interest for surface dielectric barrier discharge (DBD) energized by AC high voltage for manipulating airflows was initially motivated by the easy implementation of these actuators and a possible retrofitting on existing airfoils. They have the capability to be mounted at the surface of linear or curved objects with a minimal protrusion in the flow. Beside, their location can be changed faster than other active actuators that require a new model for each new position of actuation. The amplitude and frequency of the electrohydrodynamic (EHD) force produced by the surface plasma are directly connected to the driven electrical signal, this being a clear advantage for parametric studies on the sensibility of one flow to well-defined perturbations. Indeed, the EHD force (also referred as EFD force for electro-fluid dynamic) and the resulting produced flow called electric wind or ionic wind are due to electric field that acts on charged species. These charged species are produced by physical phenomena such as ionization, recombination, attachment, detachment and photoionization, which occur at timescale of a few picoseconds (Boeuf et al. 2009a). Subsequently, the produced body force, despite being low-pass filtered by fluid mechanical laws (viscosity, energy exchanges, dissipation) to produce electric wind, has a high bandwidth. Plasma actuators, and more specifically dielectric barrier discharge actuators, have demonstrated their authority to Abstract The present paper is a wide review on AC surface dielectric barrier discharge (DBD) actuators applied to airflow control. Both electrical and mechanical characteristics of surface DBD are presented and discussed. The first half of the present paper gives the last results concerning typical single plate-to-plate surface DBDs supplied by a sine high voltage. The discharge current, the plasma extension and its morphology are firstly analyzed. Then, time-averaged and time-resolved measurements of the produced electrohydrodynamic force and of the resulting electric wind are commented. The second half of the paper concerns a partial list of approaches having demonstrated a significant modification in the discharge behavior and an increasing of its mechanical performances. Typically, single DBDs can produce mean force and electric wind velocity up to 1 mN/W and 7 m/s, respectively. With multi-DBD designs, velocity up to 11 m/s has been measured and force up to 350 mN/m.

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Section: Time-averaged Discharge Thrust and Ehd Forcementioning

confidence: 76%

“…3, from Debien et al 2012a). The positive-going cycle is characterized by high current pulses, up to 250 mA in Fig.…”

Section: Discharge Currentmentioning

confidence: 97%

Section: Time-averaged Discharge Thrust and Ehd Forcementioning

confidence: 99%

Section: Time-averaged Discharge Thrust and Ehd Forcementioning

confidence: 99%

Section: Time-averaged Electric Wind Velocitymentioning

confidence: 99%

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Electrical and mechanical characteristics of surface AC dielectric barrier discharge plasma actuators applied to airflow control

2014

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Improved performance of polyimide Cirlex‐based dielectric barrier discharge plasma actuators for flow control

Nunes-Pereira

Rodrigues

Abdollahzadeh

et al. 2021

Polymers for Advanced Techs

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Dielectric barrier discharge (DBD) plasma actuators are simple electrohydrodynamic devices, which are able to provide effective aerodynamic control. One of the main components of these devices is the thin dielectric layer, which allows to separate and prevent the arc between the high‐voltage electrodes. Different materials can be used as dielectric layer to reduce the power consumption or boost the flow controlling effect of the actuators. In this context, this report presents a comparative study of two commercial polyimides, Kapton and Cirlex, used as dielectric layer of surface DBD plasma actuators. The electrical, dielectric, mechanical, electromechanical, and thermal properties were obtained to evaluate overall performance. It was verified that Cirlex (8.3 W) consumes less power than Kapton (21.3 W) to generate higher induced flow velocity of ≈3.4 m/s for an input voltage of 11 kVpp and 24 kHz. During one AC cycle at 11 kVpp the charge transferred for Cirlex (70 nC) is lower than for Kapton (100 nC), as well as the dielectric breakdown voltage to ignite the plasma discharge, 1.5 and 2.2 kVpp, respectively. The Cirlex DBD presents a higher voltage operation limit (at least 14 kVpp) and a more regular plasma discharge, which results in a more homogenous thermal profile and temperature distribution during its operation. The Cirlex actuator delivered higher mechanical power (6.2 mW) and achieved higher electromechanical efficiency (0.004%). The polyimide Cirlex proved to be a suitable alternative for Kapton to fabricate DBD plasma actuators for flow control with improved performance.

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Characterization of surface dielectric barrier discharge (SDBD) based on PI/Al₂O₃ nanocomposite

Bian

Jia

2018

Plasma Processes & Polymers

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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. In this paper, polyimide (PI) film incorporated with Al2O3 nanoparticles is fabricated and used as dielectric of PA. Dielectric material, plasma, surface temperature, discharge characteristics as well as its performance are experimentally studied and compared with those of a conventional pure PI based control actuator. The results show that at sine peak to peak voltage of 8 kV and 6 kHz frequency, the force efficiency of new designed actuator is 2.5 times higher than that of the control actuator after 30 h discharge. Besides, the discharge lifetime is also 3.2 times as long. In the discharge region, the surface of the control actuator appears serious dielectric degradation, which is accompanied by heat accumulation as well as an increase of gas temperature and electron temperature. While for the new actuator, after selective plasma etching, the inorganic Al2O3 nanoparticles can continuously resist the discharge plasma and contributes to effective heat dissipation and more stable plasma parameters.

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Streamer inhibition for improving force and electric wind produced by DBD actuators

Cited by 140 publications

References 26 publications

Electrical and mechanical characteristics of surface AC dielectric barrier discharge plasma actuators applied to airflow control

Electrical and mechanical characteristics of surface AC dielectric barrier discharge plasma actuators applied to airflow control

Improved performance of polyimide Cirlex‐based dielectric barrier discharge plasma actuators for flow control

Characterization of surface dielectric barrier discharge (SDBD) based on PI/Al₂O₃ nanocomposite

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Streamer inhibition for improving force and electric wind produced by DBD actuators

Cited by 140 publications

References 26 publications

Electrical and mechanical characteristics of surface AC dielectric barrier discharge plasma actuators applied to airflow control

Electrical and mechanical characteristics of surface AC dielectric barrier discharge plasma actuators applied to airflow control

Improved performance of polyimide Cirlex‐based dielectric barrier discharge plasma actuators for flow control

Characterization of surface dielectric barrier discharge (SDBD) based on PI/Al2O3 nanocomposite

Contact Info

Product

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Characterization of surface dielectric barrier discharge (SDBD) based on PI/Al₂O₃ nanocomposite