Application of the image-analysis method to studies of the space-time wave evolution in an annular gas-liquid flow

  • Authors:

  • S. V. Alekseenko;A. V. Cherdantsev;O. M. Heinz;S. M. Kharlamov;D. M. Markovich

  • Affiliations:

  • Kutateladze Institute of Thermophysics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia 630090;Kutateladze Institute of Thermophysics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia 630090;Kutateladze Institute of Thermophysics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia 630090;Kutateladze Institute of Thermophysics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia 630090;Kutateladze Institute of Thermophysics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia 630090

  • Venue:
  • Pattern Recognition and Image Analysis
  • Year:
  • 2013

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Abstract

A secondary instability of the surface of a liquid film sheared by an intense gas flow was found for the first time by our team using the high-speed modified laser-induced fluorescence method. An image-analysis toolkit (in particular, the Canny method) was used for studying space-time evolution of various types of waves. As a result, quantitative characteristics of both the types of waves and the characteristics of the instability phenomena of back slopes of primary waves were obtained.