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Selection of the rotor heat-up rate for supercritical parameter turbines

Rusin A., Lipka M., Łukowicz H.

Archives of Thermodynamics

2013

Vol. 34, no. 3

89--104

The paper presents the results of the numerical analyses for the steam turbine rotor, dedicated for the newly-designed 900 MW steam unit with supercritical steam parameters (650°C, 30.0 MPa). Basing on the design calculations, an optimal design solution was determined. Review of the available literature on materials for turbine rotors with supercritical steam parameters was done. Then the start-ups of the turbine were simulated. Thermal and strength states were analyzed. As a result, an optimal start-up characteristic was obtained.