Air Flow Performance of Air Swirlers for Gas Turbine Fuel Nozzles PUBLIC ACCESS

[+] Author Affiliations
Charles A. Martin

Parker Hannifin Corp., Cleveland, OH

Paper No. 88-GT-108, pp. V003T06A013; 8 pages
  • ASME 1988 International Gas Turbine and Aeroengine Congress and Exposition
  • Volume 3: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations
  • Amsterdam, The Netherlands, June 6–9, 1988
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7920-7
  • Copyright © 1988 by ASME


Swirlers are very important elements of gas turbine combustion systems, necessary for the proper operation of a modern gas turbine engine.

In this paper the performance of air swirlers with a range of swirl angles and diameters are examined and discussed in the context of recently published papers. Parameters which are included in this discussion are swirl number, swirler thrust, swirler torque, swirler solidity, etc.

Results suggest that swirler “see through” is not necessarily bad, but may be beneficial with respect to swirl number and other parameters. The use of a mean swirler radius to calculate the swirl number and the resulting benefits are discussed and demonstrated.

Copyright © 1988 by ASME
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