Surface charge measurement in surface dielectric barrier discharge by laser polarimetry

Takeuchi, Nozomi; Hamasaki, Toshiyuki; Yasuda, Kôichi; Sakurai, Tsunehisa

doi:10.1016/j.elstat.2011.01.001

Cited by 21 publications

(11 citation statements)

References 11 publications

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“…In Takeuchi et al (2011), it was observed that the amplitude of the charge fluctuations is more important close to the active electrode (see Fig. 34), but the mean charge value goes to an increasing DC value with the downstream distance in agreement with (Font et al 2007).…”

Section: Role and Modification Of The Surface Charges On The Dielectrsupporting

confidence: 55%

“…33). The surface potential can reach several kV, a surface potential that can significantly modify the electric field produced by the voltage applied to the electrodes as confirmed in Takeuchi et al (2011). With a thick dielectric, as illustrated by the current plot in Fig.…”

Section: Role and Modification Of The Surface Charges On The Dielectrmentioning

confidence: 68%

“…Their results have been recently confirmed in Hong et al (2013) where the time evolution of the total charge deposited on the dielectric surface have been quantified by capacitive measurements. Other methods such as laser polarimetry have been successfully used for measuring the time evolution of the surface charge density (Takeuchi et al 2011).…”

Section: Role and Modification Of The Surface Charges On The Dielectrmentioning

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: Role and Modification Of The Surface Charges On The Dielectrsupporting

confidence: 55%

Section: Role and Modification Of The Surface Charges On The Dielectrmentioning

confidence: 68%

Section: Role and Modification Of The Surface Charges On The Dielectrmentioning

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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“…In this latter publication, the authors report a surface potential of up to 2 kV that can significantly distorts the electric field produced by the voltage applied to the electrodes as demonstrated in [83]. By increasing the voltage, larger surface charge was distributed farther from the exposed electrode [84]. With thick dielectric, as illustrated by the current plot in Figure 3a, the positive discharge occurring during the positive-going cycle starts when the applied voltage V AC is equal to about -10 kV, and the negative one ignites at about +10 KV, meaning that the surface potential is higher than +10 kV and -10 kV, respectively.…”

Section: Influence Of the Surface Charge Potentialmentioning

confidence: 92%

EHD Force and Electric Wind Produced by Plasma Actuators Used for Airflow Control

Bénard

Moreau

2012

6th AIAA Flow Control Conference

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The present paper is a wide review on surface dielectric barrier discharge 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 analysed. Then, time-averaged and time-resolved measurements of the produced body 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 behaviour 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.

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“…Positive charges was found accumulated on the dielectric surface to form a positive surface potential to influence the EHD body force. [20][21][22][23][24] For the "pulse plus DC bias" voltage waveform, the positive surface charges built up quickly (in a few pulses). 22 Detail studies of the surface potential were done recently.…”

Section: Introductionmentioning

confidence: 99%

Effect of a direct current bias on the electrohydrodynamic performance of a surface dielectric barrier discharge actuator for airflow control

Yan

Yang

et al. 2015

Journal of Applied Physics

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Articles you may be interested inScaling of maximum velocity, body force, and power consumption of dielectric barrier discharge plasma actuators via particle image velocimetryThe effect of a DC bias on the electrohydrodynamics (EHD) force induced by a surface dielectric barrier AC discharge actuator for airflow control at the atmospheric pressure is investigated. The measurement of the surface potential due to charge deposition at different DC biases is carried out by using a special designed corona like discharge potential probe. From the surface potential data, the plasma electromotive force is shown not affected much by the DC biases except for some reduction of the DC bias near the exposed electrode edge for the sheath-like configuration. The total thrust is measured by an analytical balance, and an almost linear relationship to the potential voltage at the exposed electrode edge is found for the direct thrust force. The temporally averaged ionic wind characteristics are investigated by Pitot tube sensor and schlieren visualization system. It is found that the ionic wind velocity profiles with different DC biases are almost the same in the AC discharge plasma area but gradually diversified in the further downstream area as well as the upper space away from the discharge plasma area. Also, the DC bias can significantly modify the topology of the ionic wind produced by the AC discharge actuator. These results can provide an insight into how the DC biases to affect the force generation. V C 2015 AIP Publishing LLC.

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Surface charge measurement in surface dielectric barrier discharge by laser polarimetry

Cited by 21 publications

References 11 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

EHD Force and Electric Wind Produced by Plasma Actuators Used for Airflow Control

Effect of a direct current bias on the electrohydrodynamic performance of a surface dielectric barrier discharge actuator for airflow control

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