Table 1

Operating conditions of supersonic inflow and fuel jets

Fig.1

Schematic diagram of computational domain and boundary conditions

Fig.2

Cumulative percentage histogram and line chart of Pope criterion

Fig.3

Power spectrum density at two positions of transverse jet shear layer

Fig.4

Comparison of experimental wall pressure with RANS and Hybrid RANS/LES calculation results in non-jet plane

Fig.5

Comparison of experimental OH-PLIF image with calculated OH mass fraction contour

Fig.6

Streamline， density gradient and mixture fraction distribution of cold flow field［36］

Fig.7

Instantaneous density gradient （in logarithmic）， baroclinic torque， and vorticity （in logarithmic） distribution contours of combustion flow field

Fig.8

Mass weighted average distribution of baroclinic torque and vorticity

Fig.9

Instantaneous Mach number， temperature， product water and heat release rate distribution contours of combustion flow field

Fig.10

Distribution of total pressure， Mach number， and combustion efficiency

Fig.11

Instantaneous iso-surfaces of mass fractions of C2H4， OH， CO， and H2O in combustion flow field

Fig.12

Distribution of combustion products in mixture fraction space at different streamwise positions （x=284，334，454 mm）

Fig.13

Scatter plot of chemical reaction characteristic time scale τc and flow characteristic time scale τf， （colored with logarithmic heat release rate）

Fig.14

Contour of instantaneous FI in combustion flow field

Fig.15

Kernel density estimation diagram of FI and logarithm of heat release rate

Fig.16

Kernel density estimation diagram of Mach number and logarithm of heat release rate

Fig.17

Kernel density estimation diagram of turbulent Reynolds number and Da number for combustion regimes discrimination