Preliminary studies of spallation particles ejected from an ablator

Hisashi Kihara, Masaki Hatano, Noriyuki Nakiyama, Ken-Ichi Abe, Michio Nishida

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)


Spallation particles emitted from an ablating test model mounted in a supersonic arc-heated air (low was investigated experimentally and computationally. Emission spectra of CN violet band and C2 swan band, that svere attributed to spallation particles, were identified not only inside the shock layer of the ablator but also outside of it. Since the evidence of the presence of spallation particles was found, the trajectory of a spallation particle was simulated to reveal the conditions for the flight to the upstream of the shock layer. The simulation was made by ejecting a solid particle at various speeds from the front surface of the ablator.

Original languageEnglish
Pages (from-to)65-70
Number of pages6
JournalTransactions of the Japan Society for Aeronautical and Space Sciences
Issue number164
Publication statusPublished - Dec 28 2006

All Science Journal Classification (ASJC) codes

  • Aerospace Engineering
  • Space and Planetary Science


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