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Initial analysis was performed for designing an experimental study of the Richtmyer-Meshkov instability (RMI) coupled with chemical reactions. The proposed interface for the experiment is nominally between helium and argon (Atwood number A = 0.82), however a mixture of H2, O2, and Xe which is density-matched with argon is introduced as well. This reactive mixture at the interface will allow the study of the effects of heat release on the RMI. 1-D gas dynamics and the Cantera software were used to study the feasibility of ignition in both the initial and re-shock regimes found in a shock tube. Following this, 2-D simulations were performed using the CONVERGE software. The focus of these calculation was to validate the 1-D predictions for ignition, as well as to study the differences in the development of the RMI between the reactive and non-reactive cases.

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Richtmyer-Meshkov Instability Coupled with a Chemical Reaction

  • 会议论文

  • 发表日期：

    2025年

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  • Ray McConnell,
  • Alex Ames,
  • Jason Oakley,
  • David Rothamer,
  • Riccardo Bonazza

摘要

Initial analysis was performed for designing an experimental study of the Richtmyer-Meshkov instability (RMI) coupled with chemical reactions. The proposed interface for the experiment is nominally between helium and argon (Atwood number A = 0.82), however a mixture of H2, O2, and Xe which is density-matched with argon is introduced as well. This reactive mixture at the interface will allow the study of the effects of heat release on the RMI. 1-D gas dynamics and the Cantera software were used to study the feasibility of ignition in both the initial and re-shock regimes found in a shock tube. Following this, 2-D simulations were performed using the CONVERGE software. The focus of these calculation was to validate the 1-D predictions for ignition, as well as to study the differences in the development of the RMI between the reactive and non-reactive cases.