The dissipation and shear dispersion of entropy waves in combustor thermoacoustics

DOI10.1017/JFM.2013.448zbMath1294.76278OpenAlexW2099049424WikidataQ108874367 ScholiaQ108874367MaRDI QIDQ2878431

Jeremy A. Dahan, Chee Su Goh, A. S. Morgans

Publication date: 29 August 2014

Published in: Journal of Fluid Mechanics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1017/jfm.2013.448

zbMATH Keywords

combustionacoustics

Mathematics Subject Classification ID

Hydro- and aero-acoustics (76Q05) Combustion (80A25) Reaction effects in flows (76V05)

Related Items (8)

Distributed transfer function approach for one-dimensional thermoacoustic combustor models ⋮ Sound generation by entropy perturbations passing through a sudden flow expansion ⋮ The entropy wave generation in a heated one-dimensional duct ⋮ Scattering of entropy waves into sound by isolated aerofoils ⋮ On the dispersion of entropy waves in turbulent flows ⋮ On indirect noise in multicomponent nozzle flows ⋮ A global linearized framework for modelling shear dispersion and turbulent diffusion of passive scalar fluctuations ⋮ State prediction of an entropy wave advecting through a turbulent channel flow

Cites Work

• Stability bounds for explicit fractional-step schemes for the Navier-Stokes equations at high Reynolds number
• Direct numerical simulation of turbulent channel flow up to Reτ=590
• Acoustic disturbance from gas non-uniformities convected through a nozzle
• Turbulent Combustion
• Turbulence statistics in fully developed channel flow at low Reynolds number
• The forced response of choked nozzles and supersonic diffusers
• Solution of the quasi-one-dimensional linearized Euler equations using flow invariants and the Magnus expansion

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