SWIRLER FOR MIXING FUEL AND AIR

The invention relates to a swirler (1) for mixing fuel and air, comprising a plurality of vanes (2) arranged on a reference circle diameter which, together with a first longitudinal end face (3) of the vanes (2) disposed on a first wall and a second wall (6) disposed on an opposing second longitudin...

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Bibliographische Detailangaben
1. Verfasser:	HEADLAND, PAUL
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AIR BLASTING COMBUSTION APPARATUS COMBUSTION PROCESSES GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGHVELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS HEATING LIGHTING MECHANICAL ENGINEERING METHODSOR APPARATUS FOR COMBUSTION USING FLUID FUELOR SOLID FUEL SUSPENDED IN WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to a swirler (1) for mixing fuel and air, comprising a plurality of vanes (2) arranged on a reference circle diameter which, together with a first longitudinal end face (3) of the vanes (2) disposed on a first wall and a second wall (6) disposed on an opposing second longitudinal end face (4) of the vanes (2), form a flow channel. In this arrangement at least one injection orifice (8) in the first wall (5) and at least one further injection orifice in the second wall (6) open into a flow channel (7). The arrangement of the at least two mutually opposing injection orifices in the wall of the swirler makes for a homogeneous distribution of the fuel in the flow channel (7) and consequently ensures a uniform mixing of the air with the fuel. This results in uniform and low-NOx combustion of the fuel/air mixture in a burner.