再入机动飞行器气动特性的数值计算和近似计算方法(英文)  

NUMERICAL AND APPROXIMATE METHODS FOR CALCULATING AERODYNAMIC CHARACTERISTICS OF MARVS

作　　者：张鲁民[1] 陈琼康 杨永健[1] 

机构地区：[1]中国空气动力研究与发展中心

出　　处：《空气动力学学报》1990年第3期257-263,共7页Acta Aerodynamica Sinica

摘　　要：本文提供了改进的空间Euler方程推进方法和稳定方法,可有效地计算再入机动飞行器的流场,然而,这种数值方法计算再入飞行器的气动特性耗机时多,经费昂贵。 本文发展了一种新的近似计算方法,其计算结果与数值解和试验相比相当吻合,计算机时仅为数值计算的0.2％,对于工程应用,该方法是有数的工具。A method for solving improved space marching Euler equations and a method for solving time-dependent Euler equations are presented in this paper.They are efficient in calculating flow fields for maneuvering reentry vehicles(MaRVs) .However, the cost for the numerical computation is expensive.An approximate new method is developed in this paper.Many calculated results with the new method show well agreement with experimental data and the results of the numerical comutation.But the computation time costs only 0.2 percent of that of inviscid numerical computation,so that it's valuable for engineering application.

关 键 词：再入飞行器 气动特性 数值计算 

分 类 号：V211.24[航空宇航科学与技术—航空宇航推进理论与工程]