【摘要】 本文研制了一种利用一个与电弧加热的超音速气流成小攻角放置的平板样品的新方法。这种方法能克服采用导管方法的不足,它观测到的烧蚀速度是比较均匀的,且能方便地测量表面温度和表面辐射热流。文中还叙述了实验原理、实验设备结构、参数测量和计算方法。研究是在测量的弧室压力从10.2到17.3公斤/厘米~2和总焓从520到2440大卡/公斤下完成的,报告里给出了五个湍流状态下泰氟隆模型的烧蚀实验结果。更多还原

【Abstract】 A new method utlizing a flat plate specimen placed at a small angle to a supersonic arc heated flow has been developed. This method can surmount the disadvantages of the usual pipe test method. Its observable recession rate is relatively uniform, and surface temperature and radiant heat flux can be easily performed.This paper presents the experiment principles, the configuration of the facility, measurement and theoretical calculating method of the parameters. The study was accomplished with measured reservoir pressures ranging from 10.2 to 17.3 kg/cm2 and total enthalpies from 520 to 2440 kcal/kg. Under five turbulent conditions the ablation test results of teflon models were given in this paper.更多还原