Research Article

Numerical Investigation on the Effect of Inflow Mach Numbers on the Combustion Characteristics of a Typical Cavity-Based Supersonic Combustor

Table 2

Boundary conditions used in the simulations.

S. no.VariablesAirHydrogen fuel

1Mach numberM2.25; 2.52; 2.751
2Total pressurePo (KPa)1600630
3Total temperatureTo (K)1486300
4Turbulent kinetic energyK (m2/s2)102400
5Turbulent dissipation rate(m2/s3)6501e + 8

Concentration of species
6Hydrogen mass fraction01
7Oxygen mass fraction0.23380
8Nitrogen mass fraction0.7040
9Water mass fraction0.06220