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To demonstrate the shock layer enlargement in MHD aerobraking, we performed the Schlieren imaging and interferometric measurement around a magnet model using JAXA's HEK-X large expansion tube with argon test gas, which can generate the ultra-high-speed flow at 9 km/s. The Schlieren imaging and interferometer showed MHD shock layer enlargements of about 19% and 16%, respectively. However, the CFD validation predicted that the MHD shock layer enlargement would be about one-half to one-third of the experimental values.

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Numerical and Experimental Investigation of MHD Shock Layer Enlargement in JAXA HEK-X Giant Expansion Tube

  • 会议论文

  • 发表日期：

    2025年

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  • H. Katsurayama,
  • Y. Higashi,
  • T. Sakai,
  • K. Shimamura,
  • H. Tanno

摘要

To demonstrate the shock layer enlargement in MHD aerobraking, we performed the Schlieren imaging and interferometric measurement around a magnet model using JAXA's HEK-X large expansion tube with argon test gas, which can generate the ultra-high-speed flow at 9 km/s. The Schlieren imaging and interferometer showed MHD shock layer enlargements of about 19% and 16%, respectively. However, the CFD validation predicted that the MHD shock layer enlargement would be about one-half to one-third of the experimental values.