Method of designing a multistage turbine for a turbomachine

Details Method of designing a multistage turbine for a turbomachine Method of designing a multistage turbine for a turbomachine

2008-12-05

2011-12-27

Luu, Chuong A (Department: 2813)

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Plural rigidly related blade sets

C415S194000

Reexamination Certificate

active

08083476

ABSTRACT:
A method of designing a multistage turbine for a turbomachine in which each turbine stage comprises a stator row and a rotor row each made up of an annular row of airfoils, wherein, for all of the stator or rotor rows, it consists in simultaneously modifying the shapes of the airfoils of said rows to straighten out the wakes from the trailing edges of said airfoils, then in angularly positioning the rows in such a manner that the wakes from the airfoils of the stator (or rotor) airfoils impact against the leading edges of the stator (or rotor, respectively) airfoils of the rows situated downstream, in order to achieve multistage aerodynamic coupling simultaneously over the turbine as a whole.

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patent: WO 95/29331 (1995-11-01), None

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