Fig.1

Schematic diagram of scramjet

Fig.2

Theoretical working range of scramjet

Fig.3

Simulation results of inlet shock structure

Fig.4

Schlieren of inlet from wind tunnel flow test

Fig.5

Forward-swept sidewall inlet［24］

Fig.6

Backward-swept sidewall inlet［25］

Fig.7

Simulation results of inlet wall streamline

Fig.8

Interactions of shock waves with wall streamline

Fig.9

Scramjet’s flow channel of Kholod［60］

Fig.10

Scramjet’s flow channel of X-51A［61］

Fig.11

Simulation results of strut cavity combination flow field［62］

Fig.12

Temperature distribution in combustor region for strut cavity combination flow field［63］

Fig.13

Concept of dual-mode scramjet［65］

Fig.14

Pressure and Mach number distribution of scramjet ground test

Fig.15

Typical flow characteristics of scramjet

Fig.16

Overflow flame-out schematic diagram of unstable working mechanism

Fig.17

High speed blow off schematic diagram of unstable working mechanism

Fig.18

Characteristic velocity of inlet compression

Fig.19

Characteristic velocity of ignition flame stabilization

Fig.20

Characteristic velocity of combustion heat release

Fig.21

Characteristic velocity of high speed expansion

Fig.22

Dual-mode scramjet schematic diagram of stable working mechanism

Fig.23

Scanning electron microscope graph of 2 200 ℃ ultra-high temperature ceramics［86］

Fig.24

Curves of fuel flow resistance and temperature vs mass flow rate

Fig.25

Rational distribution of fuel flow in optimized cooling structure

Fig.26

Influence of thermal barrier coatings on wall heat flux

Fig.27

Morphology of traditional ZrO2 coating before and after test

Fig.28

Morphology of rare earth modified ZrO2 coating before and after test

Fig.29

Temperature distribution of nozzle typical site’s heat insulation layers

Fig.30

Proportion of heat transfer by three heat transfer modes in thermal insulation［120］

Fig.31

Variation trend of temperature after insulation at nozzle typical site’s heat insulation layers

Fig.32

Comparison between simulation results and ground test results of combustion process in combustion chamber［136］

Fig.33

Comparison between simulation results and test results of fuel regeneration cooling process