5   Turbine blading

5.1   Impulse stages


In the impulse stage, invented by Professor Rateau, the majority of the heat drop occurs in the station­ary blading and the driving force on the stage arises from the change in momentum of the steam across the moving blades.

      5.1.1   Moving blades — details and construction

      5.1.2   Fixed blades — details and construction

      5.1.3   Velocity-compounded stage


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