Burner with damper for attenuating thermo acoustic instabilities
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United States of America Patent
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Dec 10, 2002
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N/A
app pub date -
Oct 10, 2000
filing date -
Oct 8, 1999
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Abstract
In a combustion apparatus (10), in particular for driving gas turbines, in which combustion apparatus (10) a gaseous fuel in a burner (11) is sprayed through a plurality of separate fuel-injection devices (15, 16) into a gas flow containing combustion air, and the resulting mixture flows into a combustion chamber (12) for combustion and burns there, the acoustic impedance or stiffness of the fuel-injection devices (15, 16) is selected to be different in order to avoid thermoacoustic combustion instabilities.
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