氧气A(0,0)波段气辉体发射率和临边辐射强度模拟与分析

杨晓君; 王后茂; 王咏梅

doi:10.11728/cjss2020.06.1039

氧气A(0,0)波段气辉体发射率和临边辐射强度模拟与分析

doi: 10.11728/cjss2020.06.1039

杨晓君^1,2,3,4,
王后茂^1,3,4,
王咏梅^1,2,3,4

1. 中国科学院国家空间科学中心北京 100190;
2. 中国科学院大学天文与空间科学学院北京 100049;
3. 天基空间环境探测北京市重点实验室北京 100190;
4. 中国科学院空间环境态势感知技术重点实验室北京 100190

基金项目:

国家自然科学基金项目资助（41704178）

详细信息

作者简介:
杨晓君,E-mail:569653045@qq.com

中图分类号: P352
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- 文章访问数: 297
- HTML全文浏览量: 7
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- 被引次数: 0
出版历程
- 收稿日期: 2019-04-15
- 修回日期: 2019-09-29
- 刊出日期: 2020-11-15

Simulation and Analysis on Volume Emission Rate and Limb Radiation Intensity of Airglow at Oxygen A(0, 0) Band

YANG Xiaojun^1,2,3,4,
WANG Houmao^1,3,4,
WANG Yongmei^1,2,3,4

1 National Space Science Center, Chinese Academy of Sciences, Beijing 100190;
2 School of Astronomy and Space Science, University of Chinese Academy of Sciences, Beijing 100049;
3 Beijing Key Laboratory of Environment Exploration, Beijing 100190;
4 Key Laboratory of Environmental Space Situation Awareness Technology, Chinese Academy of Sciences, Beijing 100190

摘要

摘要: 临近空间大气参数如温度、密度、风场等对预报模型精度及航天器运行安全等有较大的影响，而气辉的辐射模拟是大气参数反演的重要过程.本文基于光化学模型计算了氧气A（0，0）波段气辉的体发射率和临边辐射强度.基于氧气A（0，0）波段气辉的光化学反应机制、大气动力学和光化学反应理论，建立产生O₂（b¹Σ_g⁺）的光化学模型.计算气辉体发射率，基于临边探测几何路径进行气辉辐射强度模拟.体发射率计算结果与AURIC模型结果的辐射值及辐射高度均一致.基于计算和模拟结果，对氧气A波段气辉体发射率和辐射强度的影响因素进行了分析.
- 氧气A波段 /
- 气辉 /
- 体发射率 /
- 光化学 /
- 辐射强度
Abstract: Atmospheric parameters in near space (temperature, density, wind field, etc.) have a great influence on the accuracy of the model prediction and the safety of spacecraft operation. Airglow simulation is an indispensable aspect of the inversion of the atmospheric parameter. In this paper, the Volume Emission Rate (VER) and limb radiation intensity of oxygen A(0, 0) band airglow are calculated based on the photochemical model. Firstly, the photochemical model O₂ (b¹Σ_g⁺) was established based on the theory of atmospheric dynamics, photochemical reaction mechanism, and photochemistry. Then, the VER of O₂ A-band was calculated, and the limb radiation intensity of airglow is simulated using a geometric path integral along the line of sight. The simulation radiation and its corresponding height are both consistent with the results of AURIC model. Finally, based on the results of the simulation, the influence factors of VER and radiation of oxygen A-band airglow are analyzed.
- Oxygen A-band /
- Airglow /
- Volume Emission Rate (VER) /
- Photochemistry /
- Radiation intensity

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参考文献(21)

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