Research Article
Aerodynamic Optimization Design of a Multistage Centrifugal Steam Turbine and Its Off-Design Performance Analysis
Table 4
The main geometrical parameters of the centrifugal turbine.
| Stage number | 1st | 2nd | 3rd | Stator inlet diameter (m) | 0.597 | 0.758 | 0.959 | Rotor outlet diameter (m) | 0.754 | 0.955 | 1.208 | Radial clearance (m) | 0.002 | 0.002 | 0.002 | Blade height (m) | 0.03 | 0.03 | 0.03 | Symmetrical cone angle (degree) | 0 | 0 | 0 | Diameter ratio of stator | 1.12 | 1.12 | 1.12 | Diameter ratio of rotor | 1.12 | 1.12 | 1.12 |
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