低密度小喷管流场的DSMC直接模拟

推进技术 ›› 1996, Vol. 17 ›› Issue (5): 9-13.

低密度小喷管流场的DSMC直接模拟

蔡国飙,王慧玉,祖国君,张振鹏

北京航空航天大学宇航学院;北京航空航天大学宇航学院;北京航空航天大学宇航学院;北京航空航天大学宇航学院

发布日期:2021-08-15
基金资助:
国家自然科学基金

THE DSMC SIMULATION OF LOW DENSITY FLOW FIELD IN SMALL NOZZLE

School of Astronautics,Beting Univ.of Aeronautics and Astronautics,Beijing,100083;School of Astronautics,Beting Univ.of Aeronautics and Astronautics,Beijing,100083;School of Astronautics,Beting Univ.of Aeronautics and Astronautics,Beijing,100083;School of Astronautics,Beting Univ.of Aeronautics and Astronautics,Beijing,100083

Published:2021-08-15

摘要/Abstract

摘要： 用ＤＳＭＣ方法数值模拟了低密度轴对称小喷管的流场流动，获得了相应的结果，并将所得结果与用差分求解Ｎ－Ｓ方程方法获得的结果进行了对比，二者吻合较好。

关键词: 蒙特卡罗法;喷管气流;低密度流;流动分布;数值模拟

Abstract: he axial symmetric low density flow field of small nozzle is simulated numericallyby using DSMC method.The results conform well with ones by differential solving N-S equations.This work has deep background of engineering application and is very imporuant to the situationcontrolling rocket motor design for communication satellites and space stations.

Key words: Monte Carlo method;Nozzme Flow;Low density flow;Flow distribution;Numerical Simulation

蔡国飙,王慧玉,祖国君,张振鹏. 低密度小喷管流场的DSMC直接模拟[J]. 推进技术, 1996, 17(5): 9-13.