Catalytic Recombination Characteristics of Atomic Oxygen on Material Surface by Optical Emission Spectroscopy

  • X. Lin
  • S. Wang
  • F. Li
  • S. Zhang
  • X. YuEmail author
Conference paper


Catalytic recombination of atomic oxygen, the main species of air ionization, on heat shield material surfaces was studied in a microwave plasma flow reactor. The atomic oxygen concentration profile above material samples was nonintrusive measured by optical emission spectroscopy. The catalytic recombination coefficients on material surfaces were deduced by the diffusion equation. The catalytic recombination coefficients for the heat shield materials at high temperature obtained in the present experiment are very important parameters for thermal shield design of space vehicles.


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© Springer International Publishing AG, part of Springer Nature 2019

Authors and Affiliations

  1. 1.State Key Laboratory of High Temperature Gas DynamicsInstitute of Mechanics, Chinese Academy of SciencesBeijingChina
  2. 2.School of Engineering ScienceUniversity of Chinese Academy of SciencesBeijingChina

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