Burner

A burner for heat generation, in particular in a gas turbine, is disclosed as well as a method for the stabilization of the flame of a burner. The burner comprises inlet openings for a combustion air stream, at least a swirl generator for the combustion air stream and one or more first fuel supplies...

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Main Authors Stalder, Marcel, Toqan, Majed
Format Patent
LanguageEnglish
Published 29.11.2005
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Abstract A burner for heat generation, in particular in a gas turbine, is disclosed as well as a method for the stabilization of the flame of a burner. The burner comprises inlet openings for a combustion air stream, at least a swirl generator for the combustion air stream and one or more first fuel supplies with first fuel outlet openings for injection of fuel into the combustion air stream. At least one resonance tube with an open and an essentially closed end is arranged in or at the burner, whose closed end is positioned in the region of a flame front which forms during operation of the burner on the side of the burner. An outlet opening of a supply for a compressible medium is arranged at the open end of the resonance tube. By injection of the compressible medium into the resonance tube when flame pulsation occur, the compressible medium periodically enters and leaves the resonance tube through the open end, by which the closed end of the resonance tube heats up. This heating up stabilizes the flame.
AbstractList A burner for heat generation, in particular in a gas turbine, is disclosed as well as a method for the stabilization of the flame of a burner. The burner comprises inlet openings for a combustion air stream, at least a swirl generator for the combustion air stream and one or more first fuel supplies with first fuel outlet openings for injection of fuel into the combustion air stream. At least one resonance tube with an open and an essentially closed end is arranged in or at the burner, whose closed end is positioned in the region of a flame front which forms during operation of the burner on the side of the burner. An outlet opening of a supply for a compressible medium is arranged at the open end of the resonance tube. By injection of the compressible medium into the resonance tube when flame pulsation occur, the compressible medium periodically enters and leaves the resonance tube through the open end, by which the closed end of the resonance tube heats up. This heating up stabilizes the flame.
Author Toqan, Majed
Stalder, Marcel
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References Schurig et al. (3774846) 19731100
Schreter (3819319) 19740600
(0 321 809) 19890600
Knöpfel et al. (5735687) 19980400
Keller et al. (4932861) 19900600
(196 20 874) 19971100
(35 12 948) 19861000
Keyser et al. (4036581) 19770700
Ramsaier et al. (4916904) 19900400
Snyder et al. (6176087) 20010100
Gillis et al. (4021183) 19770500
(WO 93/17279) 19930900
(0 780 629) 19970600
Mitteilungen aus dem Institut für Aerodynamik an der ETH Zürich, Nr. 21, Seite 18, 1954, H. Sprenger: "Über thermische Effekte in Resonanzrohren" [On thermal effects with resonance tubes].
Morris et al. (5109669) 19920500
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Snippet A burner for heat generation, in particular in a gas turbine, is disclosed as well as a method for the stabilization of the flame of a burner. The burner...
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Title Burner
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