| 摘要 |
According to the invention, in burners having a swirl generator (100), a mixing tube (220) and a combustion chamber (30), the transition from the mixing tube (220) to the combustion chamber (30) is designed with a variable radius over the circumference of the mixing tube (220). As a result, it is possible to form the flame in various shapes-from a circle to an ellipse with a ratio of width to height of 3 at most. The number of burners in a gas turbine may thus be advantageously reduced. Burners of existing gas turbines may be converted in a simple manner.
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