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Computation of the Acoustic Field in an Annular Gas Turbine Combustion Chamber Using a Hybrid Approach
Energy Sciences, Lund University.
Aerospace Engineering, University of Cincinnati.ORCID iD: 0000-0001-7330-6965
Energy Sciences, Lund University.
2006 (English)In: Proceedings of the ASME Turbo Expo 2006, Vol 6, Pts A and B, ASME , 2006, 1615-1624 p.Conference paper, Published paper (Refereed)
Abstract [en]

The acoustic field generated by flow unsteadiness in a model annular gas turbine (GT) combustion chamber is determined using a hybrid approach. In the flow solver the semi-compressible Navier-Stokes equations are resolved using LES as turbulence model. The acoustic solver is based on an inhomogeneous wave equation, where the instantaneous source terms are computed from the LES data in each time-instant. The flow and the acoustics in a GT combustor with co- and counter-rotating swirler burners have been considered. The results have shown that significant differences can be observed between the co- and counter-rotating configurations both in the flow and acoustic fields.

Place, publisher, year, edition, pages
ASME , 2006. 1615-1624 p.
National Category
Mechanical Engineering Fluid Mechanics and Acoustics
Identifiers
URN: urn:nbn:se:kth:diva-48730DOI: 10.1115/GT2006-90024ISI: 000242494000153ISBN: 0-7918-4241-X (print)OAI: oai:DiVA.org:kth-48730DiVA: diva2:458415
Conference
51st ASME Turbo Expo. Barcelona, SPAIN. MAY 06-11, 2006
Note
QC 20111124. GT 2006-90024Available from: 2011-11-22 Created: 2011-11-22 Last updated: 2011-11-24Bibliographically approved

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Mihaescu, Mihai

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CiteExportLink to record
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  • apa
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  • de-DE
  • en-GB
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  • fi-FI
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  • Other locale
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Output format
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  • asciidoc
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