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. | | Variables | Air | Hydrogen fuel |
| 1 | Mach number | M | 2.25; 2.52; 2.75 | 1 | 2 | Total pressure | Po (KPa) | 1600 | 630 | 3 | Total temperature | To (K) | 1486 | 300 | 4 | Turbulent kinetic energy | K (m2/s2) | 10 | 2400 | 5 | Turbulent dissipation rate | (m2/s3) | 650 | 1e + 8 |
| Concentration of species | 6 | Hydrogen mass fraction | | 0 | 1 | 7 | Oxygen mass fraction | | 0.2338 | 0 | 8 | Nitrogen mass fraction | | 0.704 | 0 | 9 | Water mass fraction | | 0.0622 | 0 |
|
|