The effect of surface ablation chemistry on radiation in hypersonic reentry flows

I. Sohn, Z. Li, D. A. Levin

Research output: Chapter in Book/Report/Conference proceedingConference contribution


The effect of chemical processes at the surface of a spacecraft entering into Earth's atmosphere on the flowfield and radiation around a reentry vehicle is investigated. To simulate thermal ablation at the vehicle's surface a one-dimensional thermal response model is used and loosely coupled with a DSMC flowfield and radiation simulations. Chemical ablation processes of nitridation and oxidation as well as catalytic recombination at the vehicle surface are implemented in DSMC in order to simulate the effect of surface chemical events on the flowfield and the corresponding convective heat flux to the vehicle surface. To examine the effect of the surface condition on the radiation in detail, both the magnitude and the spectral structure of the radiative heat flux to the stagnation point are investigated for cases with different surface conditions.

Original languageEnglish (US)
Title of host publication42nd AIAA Thermophysics Conference
PublisherAmerican Institute of Aeronautics and Astronautics Inc.
ISBN (Print)9781624101465
StatePublished - 2011
Externally publishedYes
Event42nd AIAA Thermophysics Conference 2011 - Honolulu, HI, United States
Duration: Jun 27 2011Jun 30 2011

Publication series

Name42nd AIAA Thermophysics Conference


Other42nd AIAA Thermophysics Conference 2011
Country/TerritoryUnited States
CityHonolulu, HI

ASJC Scopus subject areas

  • Aerospace Engineering
  • Mechanical Engineering
  • Condensed Matter Physics


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