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At Japan Aerospace Exploration Agency (JAXA), a study of air breathing ion engine (ABIE) has been carried out for future missions in order to improve the duration of satellites in very low earth orbits (VLEO). For the improvement of the ABIE feasibility, intake performance is one of the important factors. In this work, intake configurations with a utilization of a µ10 ion engine have been investigated for ABIE by conducting direct simulation Monte Carlo (DSMC) simulations, and intake performance at an operational altitude (268 km) has been analyzed. We found that the intake performance can be improved along with the increase of an aspect ratio and a ratio of inflow to outflow cross sections. Several intake configurations were proposed, which can be capable of utilizing the µ10 ion engine for accelerating satellites in VLEO.

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DSMC Computations of Intake Performance for Air Breathing Ion Engine

  • 会议论文

  • 出版模式：

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  • 发表日期：

    2026年

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  • Takashi Ozawa,
  • Shunsuke Imamura,
  • Masahito Tagawa,
  • Kumiko Yokota

摘要

At Japan Aerospace Exploration Agency (JAXA), a study of air breathing ion engine (ABIE) has been carried out for future missions in order to improve the duration of satellites in very low earth orbits (VLEO). For the improvement of the ABIE feasibility, intake performance is one of the important factors. In this work, intake configurations with a utilization of a µ10 ion engine have been investigated for ABIE by conducting direct simulation Monte Carlo (DSMC) simulations, and intake performance at an operational altitude (268 km) has been analyzed. We found that the intake performance can be improved along with the increase of an aspect ratio and a ratio of inflow to outflow cross sections. Several intake configurations were proposed, which can be capable of utilizing the µ10 ion engine for accelerating satellites in VLEO.