Research Article
Performance and Loss Analysis of a Small-Scale Supercritical CO2 Turbine
Table 5
CFD solver condition settings.
| | Parameter type | Settings |
| | Analysis type | Steady-state | |
| | Model data | Reference pressure | 0 kPa | | Heat transfer | Total energy | | Turbulence | SST |
| | Boundary conditions | (K) | 398.15-493.15 | | (MPa) | 9-12 | | (rpm) | 18000-40000 | | (MPa) | 5.5-6.4 | | Shroud | Counterrotating wall | | Blades/hubs | No slip wall |
| | Interface | Stator to rotor | Stage (mixing plane) |
| | Solver control | Advection scheme | Upwind | | Turbulence numeric | High resolution |
| | Time step | Physical timescale (s) | 0.0002 |
| | Convergence criteria | RMS | 10−5 |
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