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  5. The speeds field of the external flow on the edge surfaces the channel of structures of turbine nozzle at intensive secondary currents

The speeds field of the external flow on the edge surfaces the channel of structures of turbine nozzle at intensive secondary currents

А.А. Kaschenko
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Results of the experimental research of hydrodynamics on the edge surfaces of the gas turbine structure nozzle channel at secondary currents which intensity was changed by reduction of structures height (h) and increase of thickness of the saved up boundary layer (вх) at the input to the object of research. Obtained data which specifies the physics of currents and describes the speed distribution on the outer edge of the boundary layer of the edge surface in a wide range variations of defining parameters.
Keywords: hydrodynamics on edge surfaces, turbine structure nozzle channel, secondary currents, the area of speeds on the edge surfaces