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<p>Methodological issues related to the study of laminar-turbulent transition in subsonic boundary layers using infrared video recording are considered. A method for estimating wall friction based on the analysis of the temperature variation of a preheated model surface is proposed. An improved method for finding the lines of transition onset and completion is proposed.</p>

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Infrared thermography in studying the laminar-turbulent transition in the boundary layer

  • 期刊论文

  • 发表日期：

    2025年7月1日

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  • A. V. Boiko,
  • V. I. Borodulin,
  • A. V. Ivanov,
  • S. V. Kirilovsky,
  • D. A. Mischenko,
  • T. V. Poplavskaya,
  • A. D. Cherepanov

摘要

Methodological issues related to the study of laminar-turbulent transition in subsonic boundary layers using infrared video recording are considered. A method for estimating wall friction based on the analysis of the temperature variation of a preheated model surface is proposed. An improved method for finding the lines of transition onset and completion is proposed.