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Burner for gas turbine engines with at least one for the supply of combustion air as a function of the load adjustable swirl device
Burner for gas turbine engines with at least one for the supply of combustion air as a function of the load adjustable swirl device
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机译:用于燃气涡轮发动机的燃烧器,具有至少一个根据负载可调涡流装置提供燃烧空气供应的燃烧器
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摘要
The combustor proposed has, located at the head end of the combustion chamber, at least one fuel-inlet nozzle (9) and at least one swirl device (7), which can be regulated as a function of the load, for the supply of combustion air, the swirl device having radial/tangential apertures (3) between the radial walls of an annular body disposed coaxially with the nozzle. Extending into these apertures are fingers (5) located round the end of a sleeve (4) which can be moved with respect to the annular body. The sleeve with its fingers is disposed so that it can be displaced longitudinally across the outside surface of the annular body, the fingers being angled with respect to the central combustor axis so that they are parallel to the longitudinally separated walls of the apertures and extending over the whole length of the apertures. The combustor proposed, optionally combined with at least one stationary swirl device (8), gives combustion with low polluant levels.
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