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<p>The shock stand-off distance for a sphere is computed to evaluate the reliability of thermochemical models in computational fluid dynamics for hypersonic flow. The open-source flow solver Eilmer is employed and the thermochemical model proposed by Kim and Jo is examined. For the flow speed range from 2000 to 4000&#xa0;km/s, the calculated shock stand-off distances are validated against experimental data. This validation is performed in comparison with the predicted values generated by the most popular two-temperature model of Park.</p>

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Calculation of Shock Stand-Off Distance for a Sphere Using an Open-Source CFD Software Eilmer with New Chemical-Kinetic Parameters

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年11月14日

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  • Jianshu Wu,
  • Michiko Furudate

摘要

The shock stand-off distance for a sphere is computed to evaluate the reliability of thermochemical models in computational fluid dynamics for hypersonic flow. The open-source flow solver Eilmer is employed and the thermochemical model proposed by Kim and Jo is examined. For the flow speed range from 2000 to 4000 km/s, the calculated shock stand-off distances are validated against experimental data. This validation is performed in comparison with the predicted values generated by the most popular two-temperature model of Park.