It has been predicted that several changes will occur when premixed flames are subjected to
the extreme levels of turbulence that can be found in practical combustors. This paper is a …

This overview presents examples of applications of high frame rate imaging diagnostics in
fundamental and applied combustion research. Progress in the performance of high frame …

This paper describes a novel laser diagnostic and its demonstration in a practical aero-
propulsion engine (General Electric J85). The diagnostic technique, named hyperspectral …

Megahertz-rate hydroxyl radical planar laser-induced fluorescence (OH-PLIF) was
demonstrated in a hydrogen/air rotating detonation combustor for the first time, to the best of …

This paper reports on measurements of freestream nitric oxide (NO) rotational and
vibrational temperatures and partial pressures, collected in the Caltech T5 reflected shock …

High-energy burst-mode lasers have enabled the development of kHz–MHz rate, multi-
dimensional diagnostics for characterizing highly dynamic and transient phenomena in …

Recent advances in ultra-high repetition rate (100 kHz and above) laser diagnostics for fluid
dynamic measurements are reviewed. The development of the pulse burst laser system …

We report on measurements of rotational and vibrational temperature, velocity, and
concentrations of nitric oxide (NO) in freestream flows at the T5 reflected shock tunnel at …

Gaining information of species, temperature, and velocity distributions in turbulent
combustion and high-speed reactive flows is challenging, particularly for conducting …

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 …