Spectral analysis of a simulated premixed flame surface in two dimensions
type: Item
instance of: scholarly article
title: Spectral analysis of a simulated premixed flame surface in two dimensions
zbMATH Open document ID: 0885.76072
DOI: 10.1016/0045-7930(94)00041-V
author: Lance R. Collins
published in: Computers and Fluids
publication date: 1998-04-22T00:00:00Z
review text: This paper presents data from two-dimensional direct numerical simulations of a freely propagating flame surface through isotropic turbulence. Data analysis was done with an emphasis on characterizing the coupling between the spectral distribution of turbulent energy and the structure of the flame surface. To simplify the analysis and simulations, this study considers a passive flame surface (i.e., no thermal expansion) passing through statistically stationary homogeneous isotropic turbulence. We believe that the simplification of constant density enables us to predict the spectral dynamics without introducing the enormous complications associated with significant density variations. Moreover, the qualitative features of the incompressible model system are reasonably close to those in a real flame, hence the results presented herein will provide a point of departure for more realistic studies in the future.
Mathematics Subject Classification ID: 76M25
Mathematics Subject Classification ID: 76V05
Mathematics Subject Classification ID: 65M70
zbMATH DE Number: 880543
zbMATH Keywords: random forcing term
zbMATH Keywords: Navier Stokes equations
zbMATH Keywords: dissipation spectrum
zbMATH Keywords: isotropy turbulence
zbMATH Keywords: spectral distribution of turbulent energy
zbMATH Keywords: passive flame surface
MaRDI profile type: Publication
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Wikidata QID: Q127883526
description: scientific article; zbMATH DE number 880543