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Atmospheric and Oceanic Optics

2015 year, number 8

Processing sequence of thermograms in determining rotation frequency of the torch

M.V. Sherstobitov1, R.Sh. Tsvyk1, E.L. Loboda2
1V.E. Zuev Institute of Atmospheric Optics of Siberian Branch of the Russian Academy of Science, 1, Academician Zuev square, Tomsk, 634021, Russia
2National Research Tomsk State University, 36, Lenin Avenue, Tomsk, 634050,Russia
Keywords: тепловизор, вихревое горение, излучение пламени, спектральный анализ сигнала, thermovisor, vortex combustion, emission from a flame, frequency signal analysis


We explored fire torch’s radiation in laboratory conditions. Fire torch was burning from a tank, which was fixed at the axis of uprising flow of air. Ethanol was used as a fuel. The description of processing of a thermogram sequence of the twisted torch is presented. The rotation frequency was determined by FFT conversion of time pulsation of thermovision signal.