电弧加热发动机参数的测量技术

介绍了光谱辐射法、激光诱导荧光法、静电探针法等接触式和非接触式测量技术，以及电子温度、重粒子温度、羽流速度等参数的测量，并对其结果进行了分析与论证．实践证明，激光技术的应用为准确了解流动过程的细节提供了可能，将成为参数测量的主导技术．

Techniques of Measurement for Flow Properties in Arcjet

With the in depth understanding of the thrust producing mechanism of Arcjets, various theoretical models have been improved, and the experiment techniques used to validate these theoretical models have also been developed. In this work we introduce some measurement techniques, including emission spectroscopy, laser induced fluorescence, and electrostatic probe et al. These measurements can be broadly divided into two categories: intrusive and non intrusive. We describe the measurements of electronic temperature , heavy particle temperature, and plume velocity and analyse the results. It can be seen that laser techniques can investigate the detail of flow properties and will become the main technique for the measurement of arcjet.