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In this paper, a linear detonation channel (LDC) to simulate the RDE flow field was constructed. The detonation wave propagation modes propagating at different fuel jet train heights are studied through experiments and numerical analysis. The research method uses the stable propagating plane detonation wave generated in another detonation tube to enter the premixed fuel injection system inside the LDC. The Schlieren method was used to measure the detonation wave propagation modes at different fuel heights, and the temperature, pressure, and fuel consumption were studied through two-dimensional numerical analysis. The results show that well-mixed fuel maintains detonation propagation even at low supply pressures and that the detonation wave velocity increases with fuel height.

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Effect of Premixed Jet Height on Propagation of Detonation Wave Inside Linear Detonation Channel

  • 会议论文

  • 发表日期：

    2025年

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  • F. Wang,
  • R. Shimizu,
  • T. Kitaori,
  • T. Mizukaki

摘要

In this paper, a linear detonation channel (LDC) to simulate the RDE flow field was constructed. The detonation wave propagation modes propagating at different fuel jet train heights are studied through experiments and numerical analysis. The research method uses the stable propagating plane detonation wave generated in another detonation tube to enter the premixed fuel injection system inside the LDC. The Schlieren method was used to measure the detonation wave propagation modes at different fuel heights, and the temperature, pressure, and fuel consumption were studied through two-dimensional numerical analysis. The results show that well-mixed fuel maintains detonation propagation even at low supply pressures and that the detonation wave velocity increases with fuel height.