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A Two-Channel Laser Monitor for Observing Processes of High-Temperature Combustion of Metal Nanopowders

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Abstract

In this paper, we present a laser monitor with two image acquisition channels based on two brightness amplifiers and two digital cameras that allows visualizing the surface of metal nanopowders during combustion simultaneously in two regions of the sample or in one region with different magnifications. The delay between the radiation pulses of the brightness amplifiers is set in such a way that the radiation of one brightness amplifier does not affect the image formed by the other brightness amplifier. The proposed experimental technique allows studying the surface of samples of powder materials during high-temperature combustion accompanied by intense glow and scattering of combustion products. The use of two-channel visualization allows studying the surface of a burning sample in more detail—in particular, studying the inhomogeneity of the combustion process.

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ACKNOWLEDGMENTS

This research has been carried out within the framework of the Tomsk Polytechnic University Competitiveness Enhancement Program.

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Authors and Affiliations

  1. Tomsk Polytechnic University, 634050, Tomsk, Russia

    F. A. Gubarev, A. V. Mostovshchikov, A. P. Ilyin, E. Yu. Burkin & V. V. Sviridov

  2. Tomsk State University of Control Systems and Radioelectronics, 634050, Tomsk, Russia

    A. V. Mostovshchikov

  3. Liaoning Technical University, 123000, Huludao, China

    L. Li

  4. Zuev Institute of Atmospheric Optics, Siberian Branch, of the Russian Academy of Sciences, 634021, Tomsk, Russia

    A. I. Fedorov

Authors
  1. F. A. Gubarev
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  2. A. V. Mostovshchikov
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  3. A. P. Ilyin
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  4. L. Li
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  5. A. I. Fedorov
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  6. E. Yu. Burkin
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  7. V. V. Sviridov
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Corresponding author

Correspondence to F. A. Gubarev.

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The authors declare that they have no conflict of interest.

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Translated by A. Ivanov

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Gubarev, F.A., Mostovshchikov, A.V., Ilyin, A.P. et al. A Two-Channel Laser Monitor for Observing Processes of High-Temperature Combustion of Metal Nanopowders. Tech. Phys. Lett. 47, 344–347 (2021). https://doi.org/10.1134/S106378502104009X

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  • DOI: https://doi.org/10.1134/S106378502104009X

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