Vibration-dissociation coupling effects on shock standoff distances

Michiko Furudate, Toshiyuki Suzuki, Keisuke Sawada

研究成果: Paper査読

抄録

Shock standoff distances for a sphere in intermediate hypersonic flows (2.5- 4.5 km/s) are calculated to investigate the effect of vibration-dissociation coupling on the nonequilibrium thermochemical state in the shock layer. The vibration-dissociation coupling effect in the two-temperature model of Park is examined through 1) changing the definition of the controlling temperature of dissociation reactions, and 2) changing the amount of disposal of the energy in preferential dissociation. It is found that the shock standoff distance is insensitive to both of 1) and 2) in this flight regime. It is also found that the use of the CVDV model has a minor influence on the shock standoff distance.

本文言語English
DOI
出版ステータスPublished - 2000
イベント34th Thermophysics Conference 2000 - Denver, CO, United States
継続期間: 2000 6月 192000 6月 22

Other

Other34th Thermophysics Conference 2000
国/地域United States
CityDenver, CO
Period00/6/1900/6/22

ASJC Scopus subject areas

  • 航空宇宙工学
  • 機械工学
  • 凝縮系物理学

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