Method and system for determining lean blow out condition...

Details Method and system for determining lean blow out condition... Method and system for determining lean blow out condition...

2005-05-06

2008-12-09

Kramer, Devon C (Department: 3746)

Power plants

Combustion products used as motive fluid

Process

Reexamination Certificate

active

07461509

ABSTRACT:
A method for determining a lean blow out condition for a combustor. In an exemplary embodiment, the method includes determining acoustical frequency data for the combustor, determining a combustor flame temperature based on the acoustical frequency data, determining an existing fuel/air ratio in the combustor based on the combustor flame temperature, and comparing the existing fuel/ratio to a lean blow out fuel/air ratio. A lean blow out condition for the combustor is indicated when the existing fuel/air ratio is about equal to the lean blow out fuel/air ratio.

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