Elementary stage rate coefficients of heterogeneous catalytic recombination of dissociated air on thermal protective surfaces from ab initio approach

A. A. Buchachenko, A. A. Kroupnov, V. L. Kovalev

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

Elementary stage rate coefficients of the full system of kinetic equations describing heterogeneous catalytic recombination of the dissociated air on the surfaces of thermal protective ceramic coatings of β-cristobalite and α-Al2O3 are determined using the quantum-mechanical calculations within the framework of cluster models and literature data. Both the impact and associative recombination processes of adsorbed oxygen and nitrogen atoms are taken into account.

Original languageEnglish
Pages (from-to)142-148
Number of pages7
JournalActa Astronautica
Volume113
DOIs
Publication statusPublished - 1 Aug 2015
Externally publishedYes

Keywords

  • Cluster
  • Density functional method
  • Heterogeneous catalytic reactions
  • Quantum mechanics
  • Reusable thermal protective coatings of spacecrafts

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