Study on Flame Temperature Measurement of Pyrotechnic Composition Using Multi-spectral Thermometer
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摘要:为了准确测量火工烟火药剂的燃烧火焰温度，根据多光谱辐射测温技术的工作原理研制了多光谱高温计；基于二次测量的数据处理方法，得到了燃烧火焰的真实温度。以黑火药为例，采用多光谱高温计对其燃烧火焰的辐射能量进行了测定，应用二次测量法对测得的数据进行迭代计算，从而得到黑火药燃烧温度。实验表明，该多光谱高温计能够很好地应用于火工烟火药剂燃烧温度的测定，且具有高稳定性。为火工烟火药剂燃烧特性的研究奠定了基础。
Abstract:In order to solve the problem of flame temperature measurement of pyrotechnic composition, the principle of work of multi- spectral pyrometer and the data processing method based on second measurement are described in this paper, and the multi-spectral thermometer is produced. Take the black powder for example, the multi-spectral thermometer is used to test the radiation energy of it. And the data processing method based on second measurement is used to calculate the data to get the true temperature of black powder. Tests and studies show that the multi-spectral thermometer can be well used to measure the flame temperature of pyrotechnics, and it has high stability.This study lays a fundation for the research on combustion characteristics of pyrotechnic composition.
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