Apparatus and method for starting a large gas turbine having a c

Details Apparatus and method for starting a large gas turbine having a c Apparatus and method for starting a large gas turbine having a c

1976-09-30

1978-09-12

Gordon, Clarence R.

Power plants

Combustion products used as motive fluid

60 3914, 60 3982C, 431 6, 431268, 431328, F02C 726

Patent

active

041126750

ABSTRACT:
Apparatus and method for starting a gas turbine engine is shown wherein the combustion chamber has a fixed geometry providing a high throughput velocity to prevent flashback during normal operation of the engine. Thus, there is provided a flame holding zone out of the main flow path through the chamber that exhausts into the chamber upstream of a catalytic reactor element to preheat the catalyst to a sufficiently high temperature for continuous auto-combustion therein prior to the rotor of the engine attaining running speed. After running speed the combustion in the flame holding zone is extinguished and the velocity of the fuel/air mixture in the main flow path through the chamber is sufficient to maintain the combustion within the catalytic element for the continuous running of the engine without any flashback.

REFERENCES:
patent: 2655786 (1953-10-01), Carr
patent: 3577731 (1971-05-01), Bruchez
patent: 3797231 (1974-03-01), McLean
patent: 3943705 (1976-03-01), DeCorso

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