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Journal ArticleDOI

Numerical simulation of turbulent reactive flows

A. Picart, +2 more
- 01 Sep 1988 - 
- Vol. 16, Iss: 4, pp 475-484
TLDR
In this paper, a direct numerical simulation of a turbulent homogeneous field is used to study the decay of the concentration of a scalar quantity which is advected, diffused, and undergoes the effect of a sink term which models the effects of a chemical reaction.
About
This article is published in Computers & Fluids.The article was published on 1988-09-01. It has received 6 citations till now. The article focuses on the topics: Scalar (physics) & Direct numerical simulation.

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Citations
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Journal ArticleDOI

Some applications of Kolmogorov's turbulence research in the field of combustion

TL;DR: In this article, a review of recent developments in understanding of ways in which various characteristic scales in the Kolmogorov energy cascade control the wrinkling and stretching of thin laminar premixed flames in turbulent flows is presented.
Journal ArticleDOI

Effect of chemical reactions on decaying isotropic turbulence

TL;DR: In this article, the authors studied the interaction between turbulent motion and chemical reactions that occur in hypersonic flows and found that there is a positive feedback between the turbulence and exothermic reactions.
Journal ArticleDOI

Micromixing CharacteristicTime and Closure Models for Premixed Turbulent Combustion at Moderate Damköhler Numbers

TL;DR: In this paper, the modelling of micromixing in premixed turbulent combustion is reviewed for a moderately fast chemistry and existing probabilistic closures for small scale mixing term are presented, discussed and tested.
Book ChapterDOI

Turbulent Diffusion from Thermal or Reactive Sources: Numerical Experiment

TL;DR: In this article, the evolution of the correlation coefficient of two scalars from two distinct sources in homogeneous and isotropic turbulence was studied by numerical simulation, and the turbulent Reynolds number at the beginning of the simulation is about 50 and 20 at the end of simulation.
Book ChapterDOI

Turbulent Premixed Flame Propagation Revisited Results with a New Model

TL;DR: In this article, numerical simulations of the propagation of a one-dimensional turbulent flame in a premixed medium with constant density and given turbulence properties are presented, where realistic models for the mean reaction rate and for the turbulent flux which are of equal importance in this kind of problem are proposed.
References
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Book ChapterDOI

Turbulent flows with premixed reactants

K. N. C. Bray
TL;DR: In this article, the authors considered premixed turbulent combustion and showed that the mean rate of heat release is strongly influenced by the turbulence rather than by chemical kinetic factors, and argued that such models provide the best available compromise between complexity and generality of application.
Journal ArticleDOI

A comparative assessment of spectral closures as applied to passive scalar diffusion

TL;DR: In this article, two related spectral (≡ two-point) closures for the problem of the decay of temperature fluctuations convected by isotropic turbulence were compared analytically and numerically.
Journal ArticleDOI

Joint probability density function in turbulent combustion

TL;DR: In this article, a theoretical study of the probability density function (p.d.f) in non-reacting flows is presented, and the solutions are obtained and discussed for the cases of 1-D or 2-D p.d., applicable to turbulent combustion.
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