Moving blade row of high peripheral speed for thermal axial-flow turbo machines

A moving blade row of high peripheral speed for thermal axial flow turbo machines, especially for the last stage of condensing steam turbines, the blades of which, when viewed in a radial direction, have their middle and outer regions located in the range of transonic flow. The blade section in the...

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Bibliographische Detailangaben
Hauptverfasser:	SCHWAB, GUNTER
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINE PLANTS IN GENERAL HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	A moving blade row of high peripheral speed for thermal axial flow turbo machines, especially for the last stage of condensing steam turbines, the blades of which, when viewed in a radial direction, have their middle and outer regions located in the range of transonic flow. The blade section in the middle range or in the middle and outer regions starting from the trailing edge is formed by two straight lines. The straight line at the suction surface side joins the steadily curved curve of the remaining suction surface side without any distinctive bend, whereas the straight line at the pressure surface side near the trailing edge of the blade joins the steadily curved curve of the remaining pressure surface side with a distinctive bend or discontinuity.