Surface recombination coefficients and boundary-layer hypersonic-flow calculations on different surfaces

Armenise, Iole and Barbato, Maurizio and Capitelli, Mario and Gorse, Claudine (2004) Surface recombination coefficients and boundary-layer hypersonic-flow calculations on different surfaces. Journal of Spacecraft and Rockets, 41 (2). pp. 310-313. ISSN 0022-4650

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Abstract

The interaction of dissociating oxygen and air on SiO 2 in the boundary layer on different structures was discussed. In oxygen the state-selected rates of recombination of atomic species on SiO 2 surfaces into vibrationally excited molecules in gas phase were obtained by molecular dynamic approach. The one-dimensional boundary-layer was implemented into heterogeneous catalytic-recombination coeficients depending on local flow conditions. The existence of nonequilibrium vibrational distributions near ceramic and metallic surfaces was established.

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