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Radiative Properties of No Bands in Arc-Heated Wind Tunnel Flows

机译:电弧加热风洞流中无能带的辐射特性

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摘要

Spectra of nitric oxide (NO) bands were measured for air plasmas in a free stream and in a channel nozzle of the NAL 750kW arc-jet wind tunnel to obtain radiative characteristics and temperatures of the flows. Measured band intensity distributions were analyzed on the process model, in which electronically excited NO molecules are populated from the continuum state by the inverse pre-dissociation reaction N+O-NO (C~2II), followed by a population redistribution on molecular energy states due to collisions and radiation.
机译:测量了自由气流和NAL 750kW电弧喷气风洞的通道喷嘴中空气等离子体的一氧化氮(NO)谱带,从而获得辐射特性和流动温度。在过程模型上分析了测得的能带强度分布,在该模型中,通过逆预离解反应N + O-NO(C〜2II)从连续态填充电子激发的NO分子,然后在分子能态上进行种群重新分布由于碰撞和辐射。

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