The recent progress in high-speed (≥ 100k H z) laser diagnostics for hypersonic flows is
reviewed. Owing to the ultrahigh flow speed, a laser frequency of 100 kHz or higher is …

In the present work, a non-intrusive diagnostic technique known as molecular tagging
velocimetry was used to collect quantitative freestream velocity measurements in the Mach 7 …

Krypton Tagging Velocimetry (KTV) and Picosecond Laser Electronic Excitation Tagging
(PLEET) velocimetry at a 100-kHz rate were demonstrated in Mach 18 flow conditions at the …

The successful demonstration of long-lived nitric oxide (NO) fluorescence for molecular
tagging velocimetry (MTV) measurements is described in this Letter. Using 1+ 1 resonance …

View Video Presentation: https://doi. org/10.2514/6.2023-1863. vid The increased cost of
xenon has led to a growing interest in the use of alternate propellants, in particular krypton …

Coupling effects such as strong turbulence and turbulent fluctuation, boundary layer
transition, shock wave-boundary layer interaction, and high-temperature real gas effects can …

高超声速气流条件下飞行器内/外部流动中存在强湍流及脉动, 边界层转捩, 激波-
边界层干扰和高温真实气体效应等耦合效应, 表征该非定常流动现象对飞行器气动力 …

Krypton tagging velocimetry (KTV) is an emerging flow diagnostic that investigates the bulk
movement of high-speed, low-pressure gas flows. The present contribution expands the …

Two-photon absorption laser induced fluorescence (TALIF) is a laser diagnostic technique
which can, in principle, provide ground-state density measurements of atoms (eg, Kr, Xe, N …

Molecular tagging velocimetry is typically species specific and limited by excited
state/species lifetimes. We utilize laser-generated ionization, long-lived anions, and a time …