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<p>The intensification of separated air flow and heat transfer in a plane-parallel channel with an inclined groove on its heated isothermal wall by injecting a gas jet into the center of the groove bottom is considered. At moderate and high injection flow rates on the order of 0.07–0.1%, the swirling air flow reaches the end part of the groove and causes an increase in the relative local heat transfer in its midsection up to 1.6–2.8 compared to a plane-parallel channel, while the total relative heat transfer from the channel section bounded by the groove contour reaches 1.4.</p>

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Intensification of Heat Transfer in a Channel with an Inclined Groove by Injecting a Gas Jet Into a Swirling Air Flow

  • 期刊论文

  • 发表日期：

    2026年6月29日

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  • S. A. Isaev,
  • D. V. Nikushchenko,
  • V. B. Kharchenko,
  • A. Yu. Chulyunin,
  • Dehai Kong

摘要

The intensification of separated air flow and heat transfer in a plane-parallel channel with an inclined groove on its heated isothermal wall by injecting a gas jet into the center of the groove bottom is considered. At moderate and high injection flow rates on the order of 0.07–0.1%, the swirling air flow reaches the end part of the groove and causes an increase in the relative local heat transfer in its midsection up to 1.6–2.8 compared to a plane-parallel channel, while the total relative heat transfer from the channel section bounded by the groove contour reaches 1.4.