Active gas turbine combustion control to minimize nitrous oxide

Details Active gas turbine combustion control to minimize nitrous oxide Active gas turbine combustion control to minimize nitrous oxide

1995-11-14

1998-01-13

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

60 39281, F02C 928

Patent

active

057066434

ABSTRACT:
A method of minimizing nitrous oxide emissions in a gas turbine engine includes a step of monitoring pressure fluctuations within a gas turbine engine combustor and a step of adjusting fuel flow to the combustor if the pressure fluctuations therein exceed a preestablished threshold. The combustor can be operated at the lowest levels of nitrous oxide emissions since the onset of a combustor instability and/or blowout is identified early to allow for corrective action so that such undesirable events are prevented.

REFERENCES:
patent: 5428951 (1995-07-01), Wilson et al.
patent: 5544478 (1996-08-01), Shu et al.
patent: 5575144 (1996-11-01), Brough

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