TY - GEN
T1 - Effect of Plasma Actuation on Impact, Dynamics, and Evaporation of Water Droplet on a Room-temperature Surface
AU - Hui, Weiwei
AU - Chen, Zhipeng
AU - Zhang, Mengzhuo
AU - Meng, Xuanshi
AU - Hu, Haibao
AU - Li, Huaxing
N1 - Publisher Copyright:
© 2022, American Institute of Aeronautics and Astronautics Inc, AIAA. All rights reserved.
PY - 2022
Y1 - 2022
N2 - The new concept of the anti-/de-icing method based on Alternative-Current high voltage-driven surface dielectric barrier discharge (AC-SDBD) plasma actuation has no complicated mechanical structure and potential aerodynamic loss, making it potential to be the anti-and de-icing methods used by next-generation aircraft. AC-SDBD plasma actuation will produce thermal, aerodynamic, chemical and electromagnetic effects, etc. Existing studies have shown that the coupling characteristics of aerodynamic and thermal effects are the main mechanisms of plasma icing control. To provide a deep mechanism description, the plasma actuation on the impact, dynamics, and evaporation characteristics of water droplets is of great significance and researched in the present paper. High-speed imaging technology and surface infrared temperature measurement were used to record the impact and post-impact process of water droplets on the surface of the plasma actuator. The impact, dynamics, and evaporation of the water droplet with plasma actuation during this process were studied. The experimental results show that the water droplet spreads over the covered electrode in a larger range with plasma actuation, and the maximum spreading coefficient increases in comparison with those of plasma-off. The plasma actuation has an obvious driving effect on the water droplet during the impact and post-impact process. The water droplet can be driven 5 mm downstream from the joint of the exposed and covered electrodes. With unsteady-on plasma actuation, the water droplet presents an obvious oscillate performance. All the break-up water droplets will completely evaporate within 50 seconds.
AB - The new concept of the anti-/de-icing method based on Alternative-Current high voltage-driven surface dielectric barrier discharge (AC-SDBD) plasma actuation has no complicated mechanical structure and potential aerodynamic loss, making it potential to be the anti-and de-icing methods used by next-generation aircraft. AC-SDBD plasma actuation will produce thermal, aerodynamic, chemical and electromagnetic effects, etc. Existing studies have shown that the coupling characteristics of aerodynamic and thermal effects are the main mechanisms of plasma icing control. To provide a deep mechanism description, the plasma actuation on the impact, dynamics, and evaporation characteristics of water droplets is of great significance and researched in the present paper. High-speed imaging technology and surface infrared temperature measurement were used to record the impact and post-impact process of water droplets on the surface of the plasma actuator. The impact, dynamics, and evaporation of the water droplet with plasma actuation during this process were studied. The experimental results show that the water droplet spreads over the covered electrode in a larger range with plasma actuation, and the maximum spreading coefficient increases in comparison with those of plasma-off. The plasma actuation has an obvious driving effect on the water droplet during the impact and post-impact process. The water droplet can be driven 5 mm downstream from the joint of the exposed and covered electrodes. With unsteady-on plasma actuation, the water droplet presents an obvious oscillate performance. All the break-up water droplets will completely evaporate within 50 seconds.
UR - http://www.scopus.com/inward/record.url?scp=85135382095&partnerID=8YFLogxK
U2 - 10.2514/6.2022-3875
DO - 10.2514/6.2022-3875
M3 - 会议稿件
AN - SCOPUS:85135382095
SN - 9781624106354
T3 - AIAA AVIATION 2022 Forum
BT - AIAA AVIATION 2022 Forum
PB - American Institute of Aeronautics and Astronautics Inc, AIAA
T2 - AIAA AVIATION 2022 Forum
Y2 - 27 June 2022 through 1 July 2022
ER -