Hilbert-Optic Diagnostics of Hydrogen-Oxygen Inverse Diffusion Flame

Vitaly Arbuzov, Eduard Arbuzov, Yuriy Dubnishchev (), Olga Zolotukhina, Vladimir Lukashov () and Andrey Tupikin
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Vitaly Arbuzov: Kutateladze Institute of Thermophysics, Siberian Branch of RAS, 630090 Novosibirsk, Russia
Eduard Arbuzov: Kutateladze Institute of Thermophysics, Siberian Branch of RAS, 630090 Novosibirsk, Russia
Yuriy Dubnishchev: Kutateladze Institute of Thermophysics, Siberian Branch of RAS, 630090 Novosibirsk, Russia
Olga Zolotukhina: Kutateladze Institute of Thermophysics, Siberian Branch of RAS, 630090 Novosibirsk, Russia
Vladimir Lukashov: Kutateladze Institute of Thermophysics, Siberian Branch of RAS, 630090 Novosibirsk, Russia
Andrey Tupikin: Kutateladze Institute of Thermophysics, Siberian Branch of RAS, 630090 Novosibirsk, Russia

Energies, 2022, vol. 15, issue 24, 1-11

Abstract: The aim of this work is to adapt the methods of optical Hilbert diagnostics for the visualization and study of inverse diffusion H 2 /O 2 flame. The diagnostic complex is implemented on the basis of the IAB-451 device with modified optical filtering. Visualization of phase perturbations induced by the studied medium in a probing multiwave light field is performed via polychromatic Hilbert and Foucault-Hilbert transformations in combination with registration and RGB-per-pixel processing of the dynamic structure of the images. From solution to the inverse problem of Hilbert optics using a physically justified initial approximation of the problem under consideration, the temperature field of the flame is reconstructed and the value of the H 2 , H 2 O, O 2 and N 2 concentrations may be restored.

Keywords: hydrogen flame; diagnostics of temperature and composition; Hilbert optics (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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