Axial-flow turbine

Details Axial-flow turbine Axial-flow turbine

1993-06-29

1994-08-30

Look, Edward K.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Plural distributing means immediately upstream of runner

415191, 4152081, 416223A, F01D 902

Patent

active

053421701

ABSTRACT:
An axial-flow turbine has at least one row of bowed guide vanes (7) and at least one row of rotor blades. The bowing of the guide vanes (7) over the vane height is selected at right angles to the chord and is directed towards the pressure side of the respectively adjacent guide vane in the peripheral direction. The guide vanes are tapered in their radial extent. Secondary losses, which occur due to the deflection of the boundary layers in the guide vanes, are reduced by this measure.

REFERENCES:
patent: 2795373 (1957-06-01), Hewson
patent: 4131387 (1978-12-01), Kazin et al.
patent: 4585395 (1986-04-01), Nourse et al.
patent: 4682935 (1987-07-01), Martin
patent: 5088892 (1992-02-01), Weingold et al.
patent: 5249922 (1993-10-01), Sato et al.
"Untersuchung und Berechnung axialer Turbinenstufen", Naumann, et al., 1973.

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