Effect of the ratio of oxidizing agent to reducing agent on the performance of Mg/PTFE/ Pb3O4 pyrotechnics

Bing Wang; Yang Liu; Zong-sheng Chen; Wang Chen

doi:10.1117/12.2505567

15 November 2018 Effect of the ratio of oxidizing agent to reducing agent on the performance of Mg/PTFE/ Pb₃O₄ pyrotechnics

Bing Wang, Yang Liu, Zong-sheng Chen, Wang Chen

Author Affiliations +

Proceedings Volume 10964, Tenth International Conference on Information Optics and Photonics; 1096421 (2018) https://doi.org/10.1117/12.2505567
Event: Tenth International Conference on Information Optics and Photonics (CIOP 2018), 2018, Beijing, China

Abstract

In order to study the effect of the ratio of oxidizing agent to reducing agent on the performance of the trilead tetraoxide/ Teflon/magnesium (Pb₃O₄/PTFE/Mg) powder decoy compounding agent, 5 different pharmaceutical formulations are designed by maintaining constant oxidant formula and changing the ratio of oxidant agent and reducing agent. Then the mixed powder is pressed into a powder by a table press. The combustion process of the drug column was measured with an 8-14 micron infrared thermal imager, and the burning time, mass burning rate, radiation area, radiance, and radiation intensity of each sample were calculated. The results show that with the increase of the proportion of reducing agent, the burninging time of the sample becomes shorter and the mass burninging rate becomes larger. The maximum temperature of the flame increased with the proportion of reducing agent first and then decreased. When the ratio of oxidant agent to reducing agent is 1.5:1, the maximum temperature of sample combustion reaches a maximum of 1503°C. The radiance increases first and then decreases with increasing proportion of reducing agent, and When the ratio of oxidant agent to reducing agent is 1:1.5, the infrared radiance is the maximum, which is 2510 W·m^-2·Sr^-1.Radiation intensity increases as the proportion of reducing agent increases. It can be seen that in the 8-14 micron band, when the ratio of oxidant agent to reducing agent is 1:1.5, the radiation characteristics of the sample is best and the sample is the best one as infrared decoy.

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Bing Wang, Yang Liu, Zong-sheng Chen, and Wang Chen "Effect of the ratio of oxidizing agent to reducing agent on the performance of Mg/PTFE/ Pb₃O₄ pyrotechnics", Proc. SPIE 10964, Tenth International Conference on Information Optics and Photonics, 1096421 (15 November 2018); https://doi.org/10.1117/12.2505567

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KEYWORDS

Combustion

Magnesium

Infrared radiation

Thermography

Lead

Oxygen

Infrared technology

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