受DBD等离子体控制的低速流动数值模拟方法研究  

Study of numerical simulation method for low speed flow with DBD plasma

作　　者：毛枚良[1,2] 江定武[2] 陈亮中[2] 邓小刚[1,2] 

机构地区：[1]空气动力学国家重点实验室,四川绵阳621000 [2]中国空气动力研究与发展中心,四川绵阳621000

出　　处：《空气动力学学报》2011年第2期129-134,162,共7页Acta Aerodynamica Sinica

基　　金：国家创新研究群体科学基金(批准号:10621062)

摘　　要：基于正离子、电子和氧负离子的三组分空气DBD等离子体动力学模型和流体动力学方程,利用有限体积方法处理控制方程空间项,采用双时间步方法模拟非定常过程,对DBD空气等离子体动力学模型方程和流体动力学方程松耦合求解,数值模拟了高压交流电源激励的低速空气等离子体流动过程。仔细研究了一个周期中真实时间步长对模拟DBD等离子体形成过程的影响,给出了等离子体的形成历程以及等离子体对低速翼型边界层流动的影响,结果在定性上是合理的。Based on the air DBD（Dielectric Barrier Discharge） plasma dynamic model,which has three types of electric particles including positive ion,electron and negative ion,and viscous flow governing equations,low speed air flow with DBD plasmas excited by high alternating current voltage source is numerically simulated by solving the loosely coupled plasma dynamic equations and viscous flow governing equations with finite volume method for their spatial terms and dual-time step method for time development process.The influence of real time step size on DBD plasma development process is investigated in detail.The development process of DBD plasmas and its influence on boundary layer flow around the NACA0015 airfoil are presented.

关 键 词：DBD等离子体 流动控制 分离流动 数值模拟 

分 类 号：V211.3[航空宇航科学与技术—航空宇航推进理论与工程]