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首页> 外文会议>AIAA aerospace sciences meeting >Flight Test of a Rugged Scramjet-Inlet Temperature and Velocity Sensor
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Flight Test of a Rugged Scramjet-Inlet Temperature and Velocity Sensor

机译：崎岖的乱糟糟温度和速度传感器的飞行试验

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摘要

The performance of a gas temperature and velocity sensor based on tuneable diode laser absorption spectroscopy (TDLAS) of oxygen in a scramjet engine inlet during a flight test is discussed. This is the first flight-tested TDLAS sensor designed specifically for measuring gas velocity of a scramjet inlet flow under flight conditions. The robustness and stability of the sensor design in dynamic load conditions were made evident by the quality of the data delivered after a very unstable and high-g launch scenario. The scramjet did not reach the targeted test altitude-velocity regime. However, analysis of the low-altitude data determined pressure and temperature in the inlet and showed that an adequate signal-to-noise ratio was obtained for high-speed velocity measurements at altitudes up to at least 30 km.
机译：讨论了在飞行试验期间，讨论了基于在飞行试验期间血管发动机入口中氧气的可调谐二极管激光吸收光谱（TDLA）的气体温度和速度传感器的性能。这是第一次飞行测试的TDLAS传感器，专门用于测量飞行条件下瘙痒率入口流量的气体速度。通过在非常不稳定和高G发射方案之后提供的数据的质量，传感器设计在动态负载条件下的鲁棒性和稳定性是显而易见的。 Scramjet未达到目标测试高度 - 速度制度。然而，分析了在入口中的低空数据的压力和温度的分析，并显示了在高达至少30公里的高速速度测量的高速速度测量中获得了足够的信噪比。

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