The EAST facility has been widely used in the past to provide experimental data aiming to validate radiative heating models. However, all the past studies involved measurements of compressing flows. In order to study recombining flows, an expansion cone has been installed in the EAST facility. Four spectrometers are mounted at different axial positions of the cone to measure the evolution of the radiation during expansion. Quantitative data from optical emission spectroscopy will be used to get the densities of radiative species. These data are intended to be compared with simulations in order to improve the current models used by the entry community.
Shock Tube Radiation Measurement in Expanding Air Flows
2022 AIAA SciTech Forum ; 2022 ; San Diego, US
2022-01-03
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Englisch
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