0117 DBDプラズマによる円柱後流の流れの可視化(OS1-3 噴流,後流および剥離流れの流動解析と応用,オーガナイズドセッション)

Abstract

The aim of this study is to investigate on vortex behavior behind a circular cylinder by introducing jet with dielectric barrier discharge (DBD) plasma. The electrode of DBD plasma was mounted on the circular cylinder. A constant AC wave with voltage of 2kV and frequency of 10kHz is applied to the electrode. The forward and backward jets to the main flow direction were induced by electrode arrangements. The flow behavior behind a circular cylinder is visualized by a high speed video camera at Reynolds number of 1.0×10^3. We discussed on the wake and vortex behavior with forward and backward jets by DBD plasma.