CAJ | 학술논문

从考虑转动松弛变化特性的Rykov模型出发，基于Boltzmann模型方程求解跨流域气体运动论统一算法原理与计算规则，采用转动惯量描述气体分子自旋运动，研究考虑转动非平衡影响的Boltzmann模型方程数值求解方法。通过对氮气激波结构、二维钝头体和三维尖双锥跨流域绕流的模拟分析，验证该算法的跨流域一致适用性。
종고필전동송이변화특성적Rykov모형출발，기우Boltzmann모형방정구해과류역기체운동론통일산법원리여계산규칙，채용전동관량묘술기체분자자선운동，연구고필전동비평형영향적Boltzmann모형방정수치구해방법。통과대담기격파결구、이유둔두체화삼유첨쌍추과류역요류적모의분석，험증해산법적과류역일치괄용성。
With gas-kinetic unified algorithm ( GKUA ) based on Boltzmann equation for various flows regimes, rotational non-equilibrium effect is investigated in Rykov model, in which spin movement of gas molecules is described with moment of inertia. Numerical method of Boltzmann model equation involving rotational non-equilibrium effect is developed. Nitrogen shock wave structure, flows around a 2D blunt-head body and flows around a 3D tine bicone are simulated to validate the method in various flows regimes.