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首页> 外文会议>AIAA Aerospace Sciences Meeting;AIAA SciTech Forum >Experimental analysis of atomic Carbon and Carbon Monoxide production within a high temperature ablative boundary layer
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Experimental analysis of atomic Carbon and Carbon Monoxide production within a high temperature ablative boundary layer

机译：高温烧蚀边界层内原子碳和一氧化碳产生的实验分析

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摘要

Emission measurements in a high temperature boundary layer spanning the ultraviolet to the infrared are presented. The boundary layer is studied after a high enthalpy flow supplied by a plasma torch facility flows around an ablative sample. The experimental configuration is intended to serve as a model of an afterbody flow. The infrared measurements yield estimates of the carbon monoxide ground state concentration present within the boundary layer due to ablation. They also provide a measure of the carbon monoxide rovibrational temperature. These are compared with ultraviolet measurements spanning 190 - 250 nm. Preliminary evidence of CO 4th positive emission is observed in this spectral region. Atomic carbon emission is observed near the stagnation point, but is weak within the boundary layer due to the relatively low temperature.
机译：提出了跨越紫外到红外的高温边界层中的发射测量。在等离子炬设备提供的高焓流围绕烧蚀样品流动之后，对边界层进行了研究。实验配置旨在用作后肢流动的模型。红外测量可得出由于烧蚀而在边界层内存在的一氧化碳基态浓度的估计值。它们还提供了一氧化碳旋转振动温度的量度。将它们与跨度为190-250 nm的紫外线测量值进行比较。在该光谱区域中观察到了第4次CO正排放的初步证据。在停滞点附近观察到原子碳排放，但由于相对较低的温度，其在边界层内微弱。

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