Abstract

The distribution of premixed combustion parameters and the flame structure were investigated in this work using deflection tomography technology. A deflection tomographic apparatus was presented to obtain chronological arrays of multidirectional deflectograms. The hybrid regularization method was employed to reconstruct the temperature distributions in each cross section. The numerical simulation approach produced reliable reconstructions by computing underdetermined and overdetermined equations for asymmetrical distribution. Visualization technology with the matching cube and ray casting algorithms was applied in three-dimensional visualization. In the work, temperature distributions in five cross sections of the premixed combustion were reconstructed using six view-angle projection data inversions. Three-dimensional flame structures and temperature distributions in the flame interior were visualized using the visualization tool kit.

© 2015 Optical Society of America

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