Research Article
Aerodynamic Optimization Design of a Multistage Centrifugal Steam Turbine and Its Off-Design Performance Analysis
Table 2
The main aerodynamic parameters of each stage.
| Stage number | 1st | 2nd | 3rd | Speed ratio | 0.69 | 0.86 | 0.87 | Reaction degree | 0.322 | 0.453 | 0.468 | Flow coefficient | 0.97 | 0.97 | 0.97 | Flow coefficient | 0.95 | 0.95 | 0.95 | Mach number of stator | 0.55 | 0.58 | 0.76 | Shaft power (kW) | 1205 | 1551 | 2436 | Wheel efficiency | 91.20% | 90.97% | 90.98% |
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