0
TECHNICAL PAPERS: Gas Turbines: Combustion and Fuels

Influence of the Combustor Aerodynamics on Combustion Instabilities From Equivalence Ratio Fluctuations

[+] Author and Article Information
T. Sattelmayer

Lehrstuhl A für Thermodynamik, Technische Universität München, Boltzmannstraße 15, D-85748 Garching, Germany

J. Eng. Gas Turbines Power 125(1), 11-19 (Dec 27, 2002) (9 pages) doi:10.1115/1.1365159 History: Received October 01, 1999; Revised October 01, 2000; Online December 27, 2002
Copyright © 2003 by ASME
Your Session has timed out. Please sign back in to continue.

References

Figures

Grahic Jump Location
Driving mechanisms for combustion instabilities
Grahic Jump Location
Convection of a scalar field in a tube
Grahic Jump Location
Distribution of the residence time in a premix burner. (a) Radial distribution, (b) probability density distribution.
Grahic Jump Location
Wave damping. (a) Equivalence ratio wave in a premix burner, (b) entropy wave in a combustor.
Grahic Jump Location
Fluctuations of the thermal power at the burner exit. (a) Acoustics, no equivalence ratio fluctuations, (b) no acoustics, equivalence ratio fluctuations, and (c) acoustics and equivalence ratio fluctuations.
Grahic Jump Location
Fluctuations of the thermal power at the burner exit: (a) L1→2=0.03 m, (b) L1→2=0.1 m, (c) L1→2=0.3 m
Grahic Jump Location
Fluctuations of the thermal power at the burner exit: (a) Δτ/τ̄=0 (b) Δτ/τ̄=0.3, (c) Δτ/τ̄=0.8
Grahic Jump Location
Fluctuations of the acoustic velocity downstream of the flame: (a) acoustics, no equivalence ratio fluctuations, (b) no acoustics, equivalence ratio fluctuations, (c) acoustics and equivalence ratio fluctuation
Grahic Jump Location
Fluctuations of the acoustic velocity downstream of the flame: (a) Δτ/τ̄=0, (b) Δτ/τ̄=0.3, (c) Δτ/τ̄=0.8
Grahic Jump Location
Fluctuations of the acoustic velocity downstream of the flame (flame dynamics included): (a) Δτ/τ̄=0, (b) Δτ/τ̄=0.3, (c) Δτ/τ̄=0.8
Grahic Jump Location
Influence of the equivalence ratio fluctuations (Δτ/τ̄) on the stability of the model combustor
Grahic Jump Location
Influence of the entropy fluctuations (Δτ/τ̄) on the stability of the model combustor (w/o dispersion of the equivalence ratio waves)
Grahic Jump Location
Influence of the entropy fluctuations (Δτ/τ̄) on the stability of the model combustor (with dispersion of the equivalence ratio waves)

Tables

Errata

Discussions

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In