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首页> 外文期刊>Propellants, Explosives, Pyrotechnics >Time-Resolved Spectral Emission of Deflagrating Nano-Al and Nano-MoO_3 Metastable Interstitial Composites
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Time-Resolved Spectral Emission of Deflagrating Nano-Al and Nano-MoO_3 Metastable Interstitial Composites

机译：爆燃纳米铝和纳米MoO_3亚稳间隙复合材料的时间分辨光谱发射

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摘要

Time-resolved emission experiments on deflagrating metasta-ble interstitial composites of nano-aluminum and nano-molybde-num trioxide were performed.Early in the experiment (before disassembly of the sample) the temperature obtained by fitting to a Planckian gray body appears accurate to better than ± 100 K (at 3200 K).Spectral features due to Al and A1O species were observed on top of an apparent thermal background.The intensity of the A1O emission was observed to change with the ratio Al/ MoO_3,with larger A1O intensities associated with faster wave propagation speeds.Absolute irradiance output from the compressed powder samples was found to exceed that from a tungsten filament at the same apparent temperature.
机译：进行了时间分辨发射实验，研究了爆燃的纳米铝和纳米三氧化二钼的间质间隙复合材料。在实验的早期（样品分解之前），通过拟合到普朗克灰体获得的温度似乎精确到优于±100 K（在3200 K时）。在明显的热本底上观察到Al和AlO物种引起的光谱特征。观察到AlO发射强度随Al / MoO_3比的变化而变化，AlO强度更大在相同的表观温度下，压缩粉末样品的绝对辐照度输出超过了钨丝的绝对辐照度。

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