强爆炸光辐射作用下材料的能量耦合特性

高银军; 高丽红; 张相华; 马壮; 刘峰; 彭国良; 田宙

doi:10.37188/CO.2020-0053

Volume 13 Issue 6

Dec. 2020

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Chinese Optics > 2020 > 13(6): 1267-1275.

GAO Yin-jun, GAO Li-hong, ZHANG Xiang-hua, MA Zhuang, LIU Feng, PENG Guo-liang, TIAN Zhou. Energy coupling characteristic of materials under thermal radiation produced by strong explosion[J]. Chinese Optics, 2020, 13(6): 1267-1275. doi: 10.37188/CO.2020-0053

Citation:

GAO Yin-jun, GAO Li-hong, ZHANG Xiang-hua, MA Zhuang, LIU Feng, PENG Guo-liang, TIAN Zhou. Energy coupling characteristic of materials under thermal radiation produced by strong explosion[J]. Chinese Optics, 2020, 13(6): 1267-1275. doi: 10.37188/CO.2020-0053

Citation:

GAO Yin-jun, GAO Li-hong, ZHANG Xiang-hua, MA Zhuang, LIU Feng, PENG Guo-liang, TIAN Zhou. Energy coupling characteristic of materials under thermal radiation produced by strong explosion[J]. Chinese Optics, 2020, 13(6): 1267-1275. doi: 10.37188/CO.2020-0053

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Energy coupling characteristic of materials under thermal radiation produced by strong explosion

doi: 10.37188/CO.2020-0053

GAO Yin-jun^{1, 3
,},
GAO Li-hong^{1, 2},
ZHANG Xiang-hua³,
MA Zhuang^{1, 2
,
,},
LIU Feng^{3, 4},
PENG Guo-liang^{3, 4},
TIAN Zhou³

1.
School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China
2.
National Key of Laboratory of Science and Technology on Materials under Shock and Impact, Beijing 100081, China
3.
Northwest Institute of Nuclear Technology, Xi’an 710024, China
4.
State Key Laboratory of Laser Interaction with Matter, Northwest Institute of Nuclear Technology, Xi’an 710024, China

Funds: Supported by National Natural Science Foundation of China (No. 51772027, No. 91330205)

More Information

Corresponding author: hstrong929@bit.edu.cn
Received Date: 31 Mar 2020
Rev Recd Date: 26 May 2020

Available Online: 07 Sep 2020

Publish Date: 01 Dec 2020

Abstract

Abstract

To obtain the energy coupling characteristic of materials under strong explosive thermal radiation, a physical model for calculating radiation source parameters and atmospheric transmission is constructed, and the characteristics of the radiation spectrum at the target location under different conditions are obtained. The energy coupling coefficients of several kinds of materials are produced by spectral reflectance measurement and by calculating the average absorption coefficient of thermal radiation. The coupling coefficients of metal and ceramic materials are relatively small while it can be as high as 0.92 for carbon fiber epoxy composites. The coupling coefficient calculated from the actual thermal radiation spectrum is higher than that calculated from 6000 K blackbody radiation spectrum, and the maximum difference is about 14%. Taking aluminum material as an example, the coupling coefficient of thermal radiation decreases gradually with the increase of explosion yield and distance, but the overall variation is small.
- strong explosion,
- thermal radiation,
- spectral distribution,
- energy coupling coefficient

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References(26)

References

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