Fuel/air mixing device for gas turbine combustor

Details Fuel/air mixing device for gas turbine combustor Fuel/air mixing device for gas turbine combustor

1995-09-25

1997-03-18

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

With safety device

60737, F02C 700

Patent

active

056111967

ABSTRACT:
A fuel/air mixing device for two-stage, lean-flow, pre-mix combustion chambers in gas turbines. The primary and secondary combustors are formed as venturi nozzles with the primary venturi mounted tangentially to a flametube which surrounds the secondary venturi. A perforated cone is provided at the free end of the secondary venturi for the penetration of the fuel-air mixture into the primary flame.

REFERENCES:
patent: 2777508 (1957-01-01), Jurisich
patent: 2806356 (1957-09-01), Bocchio
patent: 4192139 (1980-03-01), Buchheim
patent: 4457704 (1984-07-01), Sommers et al.
"Handbook of Hydraulic Resistance" (2nd Ed.), I. E. Idelchik, Chapter Four, Flow Through Orifices With Sudden Change In Velocity And Flow Area, p. 145.
"Gas Turbine Combustion", Arthur H. Lefebvre, pp. 114-123.

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