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Effect of Radiative Heat Transfer on Composites Thermal Environment

机译:辐射传热对复合材料热环境的影响

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This paper compares the inner flow with the outer flow thermal environments in the supersonic rectangle turbulent duct and arc heater. The cold-wall heat flux is measured and the material is tested in two kinds of thermal environments. Due to the effect of radiative heat transfer, the cold-wall heat flux of inner flow is respectively higher 21% and 40% than that of outer flow in two kinds of representative flow conditions, and when the cold-wall heat flux increases, the effect of radiative heat transfer will gradually decrease. In material test experiment, the surface and rear temperatures of the composites in the inner flow are respectively higher about 400 °C and 90 °C than those of the same one in the outer flow.
机译:本文将超声速矩形湍流管道和电弧加热器中的内部流动与外部流动的热环境进行了比较。在两种热环境中测量冷壁热通量并测试材料。由于辐射传热的影响,在两种代表性的流动条件下,内流的冷壁热通量分别比外流的冷壁热通量高21%和40%,当冷壁热通量增加时,辐射热传递的效果将逐渐降低。在材料测试实验中,内部流动的复合材料的表面温度和背面温度分别比外部流动的复合材料的表面温度和背面温度分别高约400°C和90°C。

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