基于MTV型薄膜烟火药毫米波辐射性能研究
Millimeter Wave Radiation Performance Based on MTV Film Pyrotechnics
  
DOI:
中文关键词:  碳纤维,毫米波,辐射强度
英文关键词:carbon fiber,millimeter wave,radiation intensity
基金项目:国家自然科学基金(51676100)
作者单位
熊钟洋,朱晨光,端木凡顺,李经纬 南京理工大学 化工学院,南京 210094 
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中文摘要:
      为探究烟火药的毫米波辐射性能,在传统MTV(Magnesium-Teflon-Viton)型烟火药的基础上,以乳糖和碳纤维为添加剂,制备一种薄膜型烟火材料,对该种材料的燃烧性能和毫米波辐射性能进行测试分析。研究结果显示,乳糖的添加能有效降低烟火药的燃温和燃速,提高烟火药的燃烧稳定性。当乳糖在烟火药中的占比达到20%时,燃烧火焰的最高温度从1930 ℃下降到1220 ℃,持续燃烧时间从1.8 s 增加到6 s。碳纤维能够增强烟火药的毫米波辐射强度,且随着烟火药燃烧温度的降低,碳纤维对烟火药毫米波辐射的增强愈加明显,当烟火药中乳糖占比为15%,碳纤维添加量为0.625%,短切长度为1 mm 时,烟火药燃烧火焰的毫米波辐射强度增强了约40%。
英文摘要:
      In order to explore the millimeter wave radiation of pyrotechnic powder, based on the traditional MTV pyrotechnics,a thin-film pyrotechnic material is prepared using lactose and carbon fiber as additives. The combustion properties and millimeter wave radiation properties of this material are tested and analyzed. The addition of lactose can effectively reduce the flame temperature and burning rate of the pyrotechnics and improve the burning stability. When the proportion of lactose reaches 20%, the maximum temperature of the combustion flame drops from 1930 ℃ to 1220 ℃, and the continuous burning time from 1.8 s to 6 s. With the decrease of the flame temperature, carbon fiber increases the millimeter wave radiation of the pyrotechnics significantly. When lactose accounts for 15%, the amount of carbon fiber added is 0.625%, and the chopped length is 1 mm, the radiation intensity of millimeter waves increase about 40%.
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