Analysis of infrared radiation of hybrid rocket motor exhaust plume

SHEN Wen-tao; DONG Chao; ZHU Ding-qiang; CAI Guo-biao

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Analysis of infrared radiation of hybrid rocket motor exhaust plume

更新时间：2026-07-07

- Analysis of infrared radiation of hybrid rocket motor exhaust plume
- Vol. 27, Issue 8, (2012)
- 作者机构：
  
  北京航空航天大学宇航学院,北京,100191
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2012
- 稿件说明：
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SHEN Wen-tao, DONG Chao, ZHU Ding-qiang, et al. Analysis of infrared radiation of hybrid rocket motor exhaust plume[J]. 2012, 27(8).
DOI：

SHEN Wen-tao, DONG Chao, ZHU Ding-qiang, et al. Analysis of infrared radiation of hybrid rocket motor exhaust plume[J]. 2012, 27(8). DOI：

摘要

为了研究固液混合火箭发动机喷焰在不同飞行状态的红外辐射特性

建立了固液两相状态下喷焰的红外辐射计算模型

获得了喷焰在2~12μm波段的红外辐射.将喷焰的温度、压力、摩尔组分等作为输入条件

米氏散射(Mie)模型计算颗粒相的散射

采用有限体积法(FVM)离散辐射传递方程

利用中分辨率大气辐射传输(MODTRAN)模型计算不同观测距离的大气透过率

编程计算得到不同飞行高度

不同观测方向下喷焰的红外辐射.结果表明喷焰红外辐射亮度与温度分布类似

在2.7~3.0μm和4.2~4.5μm波段范围内的辐射较强

高温粒子在近红外比远红外对总辐射的贡献大

太空与地面观测不同飞行高度的发动机喷焰辐射率因大气衰减的不同而有所差异

可为目标跟踪与发动机设计提供参考.

Abstract

Infrared properties of hybrid rocket engine plume were studied by establishing a theoretical model of infrared radiation in 2~12μm wavelength.The pressure

temperature and concentration of each component of flow field were considered as the input parameters.The spectral radiation parameters of the particle were calculated by the Mie scattering model.The thermal radioactive transfer equation was discredited by using the finite volume method(FVM).Finally

the moderate resolution atmospheric transmission (MODTRAN) model was used to calculate the infrared radiation attenuation in the atmosphere.The results indicate that the transmission conditions

height

angle and particle size exert important effect on the distribution of spectrum radiance.The results contribute to providing reference for further research of target tracking and hybrid rocket motors design.

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