基于直线光路布局的纹影法测量火焰温度

史建平; 刘俊果; 戴国亮

doi:10.11728/cjss2020.01.079

基于直线光路布局的纹影法测量火焰温度

doi: 10.11728/cjss2020.01.079

史建平^1,2,
刘俊果^1, ,,
戴国亮^2, ,

1. 河北科技大学生物科学与工程学院石家庄 050000;
2. 中国科学院力学研究所微重力重点实验室北京 100190

基金项目:

中国科学院战略性先导科技专项空间科学预先研究项目资助（XDA15012600）

详细信息

通讯作者:
刘俊果,E-mail:1308676013@qq.com

戴国亮,E-mail:dspr@imech.ac.cn

中图分类号: V524
计量
- 文章访问数: 860
- HTML全文浏览量: 115
- PDF下载量: 71
- 被引次数: 0
出版历程
- 收稿日期: 2019-11-25
- 刊出日期: 2020-01-15

Flame Temperature Measurement by a Straight-type Schlieren Method

SHI Jianping^1,2,
LIU Junguo^{1
, ,},
DAI Guoliang^{2
, ,}

1 School of Biological Science and Engineering, Hebei University of Science and Technology, Shijiazhuang 050000;
2 Key laboratory of Microgravity, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190

摘要

摘要: 测量火焰不同位置的温度对研究火焰结构具有重要意义.目前纹影法测量火焰温度多采用Z型布局的光路.为了在未来空间实验中将纹影法与其他光学方法集成开展多类型实验观测，摒弃了纹影法传统的Z型光路，采用直线型光路布局，针对光源、透镜、刀口切割量等因素对纹影系统灵敏度的影响开展研究，优化了直线型纹影系统.以蜡烛火焰为研究对象，对优化后的纹影系统进行标定，观测了其纹影图像，计算了蜡烛火焰中多处位置的火焰温度，并将计算结果与实测结果进行比较.结果表明，采用本研究设计的直线型纹影系统可以实现对火焰温度的精确测量.
- 纹影法 /
- 直线型光路布局 /
- 火焰结构 /
- 温度测量
Abstract: It is critical to determinate the temperature distribution of flame for studying its structure. In this paper, the schlieren method of the straight-type, instead of the Z-type in common used, is employed for the sake of compatibility with other optical methods in future space experiments with different purposes. Moreover, the design of straight-type schlieren system is optimized by investigating the effects of light source, lens, and knife edge on the system sensitivity. Then, the schlieren images of a candle flame are recorded using the optimized schlieren system after calibration. The temperature distribution calculated from these images coincides with those measurement through thermocouples, thus the flame temperature can be obtained accurately from the straight-type schlieren system.
- Schlieren method /
- Straight optical path arrangement /
- Flame structure /
- Temperature measurement

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参考文献(17)

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