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Numerical simulations were conducted to investigate the aerodynamic performance of grid fins for a reusable first stage, within the SALTO project. The influence of the descent trajectory was taken into account. This study provides a systematic overview of the geometric parameters of grid fins and their effects on mass and steering forces generated. The results are compared to a baseline geometry. Parameter combinations were analysed that lead to a slightly lighter and aerodynamically improved geometry.

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Parametric Grid Fin Design Study for the T3 Vehicle Within SALTO

  • 会议论文

  • 发表日期：

    2026年

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  • Jens Neumann

摘要

Numerical simulations were conducted to investigate the aerodynamic performance of grid fins for a reusable first stage, within the SALTO project. The influence of the descent trajectory was taken into account. This study provides a systematic overview of the geometric parameters of grid fins and their effects on mass and steering forces generated. The results are compared to a baseline geometry. Parameter combinations were analysed that lead to a slightly lighter and aerodynamically improved geometry.