| Citation: | XU Zeyang, GAO Chao, WANG Yushuai, et al. Mechanism of coupling effect of flow field induced by MDBD actuator[J]. Journal of Aerospace Power, 2024, 39（3）：20220170 doi: 10.13224/j.cnki.jasp.20220170
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In order to reveal the mechanism of the coupling effect of the flow field induced by the multi dielectric barrier discharge (MDBD) actuator, the numerical simulation method based on the combination of the plasma body force model and Navier-Stokes (N-S) equation was employed to study the actuation characteristics of MDBD under the condition of the static atmosphere. The results indicated that, under the condition of steady actuation, the MDBD plasma actuator can effectively increase the induced flow velocity and thickness, and broaden the actuation area. In addition, under the condition of unsteady actuation, each actuator of MDBD provided a continuous momentum injection to the induced vortex, retarded its dissipation process and enhanced its convective and mixing capabilities. The cyclic actuation frequency had a large impact on MDBD performance. When the actuation frequency was
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