Body Force Produced by Plasma Actuator Using PIV and Pressure Measurements

Xuanshi Meng, Yushuai Wang, Jianlei Wang, Jinsheng Cai, Feng Liu, Shijun Luo
2013 51st AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition   unpublished
The body force distribution on a quiescent air induced by a slender uniform plasma actuator is calculated using the Navier-Stokes equations and the measured velocity and pressure distributions in order to study the contribution of the pressures. Both velocity distribution and pressure distribution over a perpendicular plane situated in the middle of the actuator are measured simultaneously with a two-dimensional particle image velocimetry and a thin flat static pressure board, respectively. The
more » ... convergences of timeaveraged velocity components and static pressures versus the sampling time are verified. The pressure distribution over the PIV grid is obtained by the bilinear interpolation. The body-force distribution is calculated asumming that the flow is steady, two-dimensional, incompressibe and laminar. The body force calculated by neglecting the pressure terms in the Navier-Stokes equations is presented for comparing with that including the pressures. The total body forces over four control volumes of different sizes are calculated from the body-force distribution to facilitate the presentations. A parametric study on body force is conducted for the peak-peak ranging from 5.5 kV to 12.3 kV at the carrier frequency of 13.5 kHz.
doi:10.2514/6.2013-396 fatcat:gxino5uztrbfte6wj6g2jdceiy