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Assessment Of Surface-Catalyzedreaction Products From Hightemperature Materials In Plasmas, Luke Daniel Allen
Assessment Of Surface-Catalyzedreaction Products From Hightemperature Materials In Plasmas, Luke Daniel Allen
Graduate College Dissertations and Theses
Current simulations of atmospheric entry into both Mars and Earth atmospheres for the design of thermal protections systems (TPS) typically invoke conservative assumptions regarding surface-catalyzed recombination and the amount of energy deposited on the surface. The need to invoke such assumptions derives in part from lack of adequate experimental data on gas-surface interactions at trajectory relevant conditions. Addressing this issue, the University of Vermont's Plasma Test and Diagnostics Laboratory has done extensive work to measure atomic specie consumption by measuring the concentration gradient over various material surfaces. This thesis extends this work by attempting to directly diagnose molecular species production …