Gas turbine having sequential combustion

Details Gas turbine having sequential combustion Gas turbine having sequential combustion

1997-09-29

1999-08-24

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

Multiple fluid-operated motors

60722, F02C 700

Patent

active

059410604

ABSTRACT:
In a gas turbine having sequential combustion and two combustion chambers and in each case associated turbines, a secondary guide row (6a-c) formed in an annular transition duct (1) is arranged on the downstream side of the first turbine before entry into the second combustion chamber. A number of blades of this secondary guide row effect an irrotational flow with regard to the mixing elements, which are located in the second combustion chamber and in the flow plane of the blades, which in each case are combined to form an assembly. Due to the irrotational incident flow in the second combustion chamber, the mixing elements produce a uniform separate swirl flow which optimizes the subsequent combustion, designed for self-ignition, with regard to efficiency and pollutant emissions.

REFERENCES:
patent: 2242767 (1941-05-01), Traupel
patent: 2560207 (1951-07-01), Berggren et al.
patent: 2959003 (1960-11-01), Carlisle et al.
patent: 2989843 (1961-06-01), Ferri
patent: 4438625 (1984-03-01), Rice
patent: 5454220 (1995-10-01), Althaus et al.
patent: 5735126 (1998-04-01), Schulte-Werning

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