Jet Vectoring and Enhancement of Flow Control Performance of Trielectrode Plasma Actuator Utilizing Sliding Discharge

Matsuno, Takashi; Kawaguchi, Mikimasa; Fujita, Noboru; Yamada, Gouji; Kawazoe, Hiromitsu

doi:10.2514/6.2012-3238

Cited by 20 publications

(10 citation statements)

References 10 publications

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“…The flow field of TED-PA experimentally observed by Matsuno et al is shown in Fig. 3 [11]. The result showed that a rightward jet from the AC electrode and a leftward jet from the DC electrode collide with each other and the upward jet is generated.…”

Section: Introductionmentioning

confidence: 80%

“…Especially in the case that a negative DC voltage is applied, Sliding Discharge (SD) appears and discharge plasma filled between two exposed electrodes as shown in Fig. 2 [11], and it was experimentally shown that TED-PA with SD can generate stronger induced jet by 2.5 times than conventional DBDPA [11]. However, the behavior of the jet is unexpected; the induced jet is deflected upward.…”

Section: Introductionmentioning

confidence: 90%

“…The other is to enhance the body force produced by DBD plasma actuator [6][7][8][9][10]. To enhance the body force, Tri-Electrode Plasma Actuator (TED-PA) has been developed [11][12][13][14]. TED-PA is firstly proposed by Moreu et al [12].…”

Section: Introductionmentioning

confidence: 99%

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Numerical Study on Performance Improvement Mechanism of Tri-Electrode Plasma Actuator

Nishida

Takao

Matsuno

2015

46th AIAA Plasmadynamics and Lasers Conference

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Tri-electrode plasma actuator (TED-PA), which has a third electrode with high DC voltage, can generate stronger jet than that of conventional two-electrode type plasma actuator. However, the behavior of the jet in TED-PA is unexpected; the induced jet is deflected upward. To clarify the jet deflection mechanism and performance improvement mechanism of TED-PA, discharge plasma and flow field is numerically simulated based on the three-fluid plasma model and the incompressible Navier-Stokes equations with the body force term, respectively. The results show the jet deflection appears in both cases of negative and positive DC voltage; a rightward jet from the AC electrode and a leftward jet from the DC electrode are generated and the collision of the two jets generate the upward jet. The jet becomes stronger by the DC electrode due to two factors; the negative body force generation around the DC electrode and the positive body force enhancement around the AC electrode. The negative force generation around the DC electrode results from the drift motion of the positive ions in the positive DC voltage case, and on the other hand, that of the negative ions in the negative DC voltage case. The positive force enhancement around the AC electrode is due to the electric field intensification by the DC voltage. Nomenclature D e ,D p ,D n = diffusion coefficient for electron, positive ion and negative ion e = elementary charge E= electric field vector f = body force vector j e ,j p j n = electron, positive ion and negative ion current density n e ,n p ,n n = electron, positive ion and negative ion number density r ep = recombination coefficient between electron and positive ion r pn = recombination coefficient between positive ion and negative ion t = time T = one period of the AC voltage v e = mean velocity of electron α = ionization coefficient ε 0 , ε r = electric permittivity in the vacuum and relative electric pemittivity of the dielectric γ = secondary electron emission coefficient μ e , μ p , μ n = electron, positive ion and negative ion mobility η = attachment coefficient σ = surface charge density 1 Associate Professor, Institute of Engineering, Member AIAA. 2 Graduate student, Mechanical Systems Engineering. 3 Lecturer, Department of Mechanical and Aerospace Engineering, AIAA senior member. Downloaded by KUNGLIGA TEKNISKA HOGSKOLEN KTH on July 17, 2015 | http://arc.aiaa.org |

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Section: Introductionmentioning

confidence: 80%

Section: Introductionmentioning

confidence: 90%

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Numerical Study on Performance Improvement Mechanism of Tri-Electrode Plasma Actuator

Nishida

Takao

Matsuno

2015

46th AIAA Plasmadynamics and Lasers Conference

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“…The use of these devices in airfoils delays the stall and enhances the lift 17,18 . In last years several investigations have dealt with Plasma Synthetic Jet Actuators (PSJA) built by means of DBDs or Sliding Discharges in annular and linear configurations [19][20][21][22][23][24][25][26] . PSJAs could thus mimic synthetic jets enhancing the dynamic response and lowering the weight of the whole actuating system.…”

Section: Introductionmentioning

confidence: 99%

Wind Tunnel Experiments on a NACA0015 Airfoil Equipped with Vectorizable Dielectric Barrier Discharge Plasma Actuators

Borghi

Cristofolini

Rossetti

et al. 2014

32nd AIAA Applied Aerodynamics Conference

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This work reports an experimental investigation performed in wind tunnel facility on a NACA0015 airfoil equipped with a set of vectorizable fluid-dynamic DBD plasma actuators. The ability of the actuators to recover the stall condition with free stream velocities in the range 5-23 m/s has been investigated. The discharge has been generated by feeding the actuators with a sinusoidal voltage waveform with a frequency of 15 kHz and voltages up to 7.5 kV peak. The actuator positioned on the leading edge exhibits highest ability in the stall recovery. Unsteady actuation obtained by alternatively switching on and off the discharge is more effective in the stall recovery when compared with a steady actuation. The frequency that optimizes the stall recovery has been found to be a function of the velocity with the power of 1.5. This result leads to the determination of a constant Strouhal number if the boundary layer thickness is used as characteristic length. Finally the lift coefficient, obtained when the plasma actuator has been turned on, has been found to be a linear function of the applied voltage.

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“…Plasma actuators (PAs, shown in Figure 1) are flow control devices that utilise atmospheric pressure discharge (Matsuno et al, 2012(Matsuno et al, , 2008(Matsuno et al, , 2009(Matsuno et al, , 2010; they have gained attention in recent years, because their advantages of being fully electronically driven with no moving parts and having a simple structure and a fast response are potentially ideal for application to subsonic flow control. In Matsuno et al (2008), the drag around an airfoil can be reduced with installing PAs on the airfoil.…”

Section: Introductionmentioning

confidence: 99%

Optimum driving condition for lift creating cylinder by plasma actuators based on wind tunnel evaluation-based design

Kanazaki

Matsuno

Maeda

et al. 2016

IJAL

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Abstract:Kriging-based genetic algorithm (GA) was employed to optimise the parameters of the operating conditions of plasma actuators (PAs). In this study, the lift maximisation problem around a circular cylinder was considered. Two PAs were installed on the upper and the lower side of the cylinder. This problem was similar to the airfoil design, because the circular has potential to work as airfoil due to the control of flow circulation by the PAs with four design parameters. The aerodynamic performance was assessed by wind tunnel testing to overcome the disadvantages of time-consuming numerical simulations. The developed optimisation system explores the optimum waveform of parameters for AC voltage by changing the waveform automatically. Based on these results, optimum designs and global design information were obtained while drastically reducing the number of experiments required compared to a full factorial experiment. An analysis of variance and a scatter plot matrix were introduced for design knowledge discovery. According to the discovered design knowledge, it was found that duty ratios for two PAs are an important parameter to create lift.

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Jet Vectoring and Enhancement of Flow Control Performance of Trielectrode Plasma Actuator Utilizing Sliding Discharge

Cited by 20 publications

References 10 publications

Numerical Study on Performance Improvement Mechanism of Tri-Electrode Plasma Actuator

Numerical Study on Performance Improvement Mechanism of Tri-Electrode Plasma Actuator

Wind Tunnel Experiments on a NACA0015 Airfoil Equipped with Vectorizable Dielectric Barrier Discharge Plasma Actuators

Optimum driving condition for lift creating cylinder by plasma actuators based on wind tunnel evaluation-based design

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