Research Article
Simulation of Impinging Cooling Performance with Pin Fins and Mist Cooling Adopted in a Simplified Gas Turbine Transition Piece
Table 1
Boundary conditions.
| Component | Boundary conditions | Magnitude |
| Mainstream inlet | Mass flux rate | 32.72 (kg/s) | Gas temperature | 1300 (K) | Turbulent intensity | 5 (%) | Hydraulic diameter | 0.324 (m) |
| Mainstream outlet | Pressure | 1.573 (MPa) | Turbulent intensity | 5 (%) | Hydraulic diameter | 0.324 (m) |
| Coolant chamber | Air temperature | 300 (K) | Pressure | 1.82138 (MPa) | Pressure recovery coefficient | 0.98 | Turbulent intensity | 10 (%) | Hydraulic diameter | 0.01026 (m) |
| Droplets | Diameter | 5 (um) | Total flow rate | 0.003 (kg/s) |
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