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Abstract <p>Experimentally obtained shadowgraph images of the shock-wave structure of an unsteady supersonic reactive flow in a hydrogen–oxygen mixture are presented. This flow is generated by a&#xa0;spherical body flying through the mixture at a speed exceeding the propagation velocity of self-sustained detonation. Conditions are determined for the formation of a stabilized oblique detonation wave initiated by the high-speed body in free space and in the presence of a surface forming an internal corner, placed at a specific distance along the flight path of the body.</p>

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Initiation and Stabilization of Supersonic Combustion by a High-Speed Spherical Body in a Reactive Gas

  • 期刊论文

  • 发表日期：

    2025年10月1日

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  • V. A. Vasetskii,
  • V. M. Grishchenko,
  • V. V. Leshchevich,
  • O. G. Penyaz’kov

摘要

Abstract

Experimentally obtained shadowgraph images of the shock-wave structure of an unsteady supersonic reactive flow in a hydrogen–oxygen mixture are presented. This flow is generated by a spherical body flying through the mixture at a speed exceeding the propagation velocity of self-sustained detonation. Conditions are determined for the formation of a stabilized oblique detonation wave initiated by the high-speed body in free space and in the presence of a surface forming an internal corner, placed at a specific distance along the flight path of the body.