Tab.1

Multi-step reaction processes of surface catalysis

Fig.1

Coupling procedure of N-S equations solver and catalytic model

Tab.2

Inflow conditions for validation case

Fig.2

Grids in fluid domain for hypersonic flow over cylinder (Grids: 100×150, Recell=4.6)

Fig.3

Influence of grid refinement on dimensionless density of stagnation line

Fig.4

Influence of height of first cell on stagnation heat flux

Fig.5

Comparisons of phase shift contour of CFD and result of HEG experiment

Fig.6

Aerodynamic heat of cylinder surface predicted by full-catalytic, finite rate catalytic, and non-catalytic model

Fig.7

Heat flux at stagnation point versus number of iteration steps

Fig.8

Residual curves of dimensionless density

Tab.3

Settings of fraction of occupied physisorption and chemisorption sites

Fig.9

Characteristics of flow field around a cylindrical model with hypersonic flow

Fig.10

Mass fraction of each species along stagnation line (X*=-1)

Fig.11

Aerodynamic heat caused by catalytic recombination of O atoms and N atoms

Fig.12

Consumption rate of O atoms caused by LH recombination

Fig.13

Consumption rate of O atoms caused by ER recombination

Fig.14

Consumption rate of O atoms caused by catalytic reaction

Fig.15

Mass fraction of O atoms along surface versus FO

Fig.16

Influence of FO on aerodynamic heat flux distribution on cylinder surface

Fig.17

Consumption rate of O atoms on cylindrical surface caused by ER recombination

Fig.18

Consumption rate of O atoms on cylindrical surface caused by LH recombination

Fig.19

Consumption rate of oxygen atoms on cylindrical surface caused by catalytic reaction

Fig.20

Concontration of O atoms on boundary of fluid domain versus SO

Fig.21

Influence of SO on aerodynamic heat flux distribution on cylinder surface