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固体火箭发动机喷管气固两相流动的数值模拟
Alternative TitleNumerical simulation of gas-particle flow in nozzle of solid rocket motor
于勇; 刘淑艳; 张世军; 张夏
Source Publication航空动力学报
2009-04-15
Volume24Issue:4Pages:931-937
ISSN1000-8055
Abstract对颗粒相采用颗粒轨道模型,气相求解可压缩N-S方程组,计算方法采用显式Runge-Kutta时间推进法与有总变差衰减(TVD)性质的高精度MUSCL-Roe格式;自主开发了曲线坐标系下二维轴对称可压缩N-S方程组的解算器Solve2D,研究了固体火箭发动机喷管中颗粒相对流场的影响以及不同尺寸颗粒运动规律.结果表明:颗粒相对流场的影响主要表现在喷管喉部以及扩张段,和单相流场相比,沿轴线马赫数减小,且颗粒尺寸越小减少得越多;沿轴线气相温度升高,且颗粒尺寸越小温度升高越多;颗粒尺寸越小,无粒子区越小;颗粒越大与收缩段壁面碰撞越剧烈,无粒子区越大.
Keyword火箭发动机 喷管 两相流 数值模拟 颗粒轨道模型
Indexed ByCSCD
Language中文
Funding Organization国家自然科学基金(10702009)
CSCD IDCSCD:3592956
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/33351
Collection微重力重点实验室
Corresponding Author于勇
Recommended Citation
GB/T 7714
于勇,刘淑艳,张世军,等. 固体火箭发动机喷管气固两相流动的数值模拟[J]. 航空动力学报,2009,24,4,:931-937.
APA 于勇,刘淑艳,张世军,&张夏.(2009).固体火箭发动机喷管气固两相流动的数值模拟.航空动力学报,24(4),931-937.
MLA 于勇,et al."固体火箭发动机喷管气固两相流动的数值模拟".航空动力学报 24.4(2009):931-937.
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