WFRF:(Eriksson Lars Erik 1950)
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CFD analysis and application of dynamic mode decomposition for resonant-mode identification and damping in an SGT-100 DLE combustion system
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- Abou-Taouk, Abdallah, 1982 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
- Sadasivuni, Suresh (author)
- Lörstad, Daniel (author)
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- Ghenadie, Bulat (author)
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- (creator_code:org_t)
- ISBN 9789631212570
- 2015
- 2015
- English.
- In: Proceedings of the 7th European Combustion Meeting. - 9789631212570
- Conference paper (peer-reviewed)
Abstract
Subject headings
Close
- This paper presents result of a turbulent reacting flow simulation based on a hybrid Unsteady Reynolds Averaged Navier Stokes/Large Eddy Simulation model (Menter’s SAS-SST model) applied to an experimental version of an industrial gas turbine combustion chamber at a pressure of 6 bar. The kinetics were represented by a recently developed in-house 4-step reaction mechanism using 7 species. A reasonably good agreement with measurements is found concerning velocity, temperature, pressure loss, mixture fraction and fuel mass fraction. The dynamic mode decomposition algorithm is also used here in order to identify some resonant modes and to quantify their respective frequency and damping. A number of low frequency modes with combustion dynamics included are observed and compared with the measurements.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Strömningsmekanik och akustik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Fluid Mechanics and Acoustics (hsv//eng)
Keyword
- DMD
- Chemistry Reduction
- Partially premixed turbulent flames
- Large Eddy Simulation
- Optimization
- dynamic mode decomposition
- industrial gas burner
- Swirling flames
Publication and Content Type
- kon (subject category)
- ref (subject category)
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