Since a lazy flow exists in the compressor while pressure has been rising, danger of fluid replacement. For this reason the pressure build-up per level is limited (< 16). In the accelerated flow into the turbine can cause even local flow separation on the suction side of blade profiles, what but usually cause no impairment of function of the turbine stage. The relationship of Totaldrücke of turbine inlet to the turbine outlet can be much bigger because of this, resulting in that a single-stage turbine is capable of driving multiple compressor stages.
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