Infrared and Laser Engineering, Volume. 53, Issue 6, 20240114(2024)
Study on temperature inversion of deflagration spectrum of pyrotechnics
Figures & Tables(11)
Fig. 2. Improved Wien criterion spectral data processing flowchart
Fig. 5. Spectral curve of deflagration radiation of pyrotechnic agent after correction
Fig. 8. Spectral fitting curve after Wien transform. (a) 1 ms; (b) 52 ms; (c) 60 ms; (d) 191 ms
Fig. 9. Temperature change during deflagration of pyrotechnic agent
Table 1. Pyrotechnic composition ratio and function
View tableView in ArticleTable 1. Pyrotechnic composition ratio and function
Component Proportioning Melting point /℃ Function Granularity/ μm C 15% 3500 Combustible agent - S 10% 115 Combustible agent - KNO3 75% 334 Oxidizing agent - Al2O3 - 2054 Temperature indicating particles 0.23
Table 2. Fitting temperature and fitting error of pyrotechnic agents at different detonation stages
View tableView in ArticleTable 2. Fitting temperature and fitting error of pyrotechnic agents at different detonation stages
Time/ms Gradient Temperature /K Sum of squares of residuals 1 $ -5.456\times {10}^{-6} $ - 1225.387 52 $ -6.453\times {10}^{-6} $ 2228 39.801 60 $ -6.422\times {10}^{-6} $ 2249 48.344 191 $ -9.497\times {10}^{-6} $ 1514 774.784
Tools
Get Citation
Copy Citation Text
Meng ZHAO, Huijun XIA, Ruize CHAO, Ming SHAO, Xiangzheng CHENG, Lanshuang LU, Zheng QIU, Haimeng LIU, Yong TAN. Study on temperature inversion of deflagration spectrum of pyrotechnics[J]. Infrared and Laser Engineering, 2024, 53(6): 20240114
Paper Information
Category: Spectroscopy
Received: Mar. 14, 2024
Accepted: --
Published Online: Jul. 31, 2024
The Author Email: XIA Huijun (2640845910@qq.com)
© Copyright 2018-2021 | Chinese Laser Press.
All Rights Reserved 沪ICP备15018463号-20