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Abstract <p>This paper presents a method for calculating the movement of the laminar–turbulent transition front along the sidewalls of flight vehicles with the shape of spherically blunted circular cones taking into account the influence of roughness. It is shown that the ablation of composites used in thermal protection systems of reentry vehicles moving along a trajectory leads to the occurrence of surface roughness due to the different ablation rates of fillers, binders, reinforcing elements, and carbon matrix of the composites.</p>

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Method for Calculating the Movement of the Laminar–Turbulent Transition Region along the Sidewalls of a Reentry Vehicle

  • 期刊论文

  • 发表日期：

    2025年10月1日

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  • V. G. Degtyar’,
  • S. T. Kalashnikov,
  • G. F. Kostin,
  • E. N. Fedorova,
  • V. I. Khlybov

摘要

Abstract

This paper presents a method for calculating the movement of the laminar–turbulent transition front along the sidewalls of flight vehicles with the shape of spherically blunted circular cones taking into account the influence of roughness. It is shown that the ablation of composites used in thermal protection systems of reentry vehicles moving along a trajectory leads to the occurrence of surface roughness due to the different ablation rates of fillers, binders, reinforcing elements, and carbon matrix of the composites.