This paper describes the measurements of three-dimensional (3D) flame measurements at 5 kHz from an optically accessible, atmospheric combustor burning Jet A. The measurements were performed by 3D tomography of flame chemiluminescence emissions. Such measurements resolve the instantaneous flame topography generated by the combustor in all three spatial directions and at a temporal resolution of 5 kHz (0.2 ms), essentially providing 4D information about the combustor. This paper reports the measurement technique, the experimental implementation, the results and their expected use for the continued development of future combustor concepts.

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