Linear-eddy model formulated probability density function and scalar dissipation rate models for premixed combustion

HP Tsui, WK Bushe - Flow, turbulence and combustion, 2014 - Springer
A tabulated, pseudo-turbulent Probability Density Function (PDF) model for premixed
combustion is proposed. The Linear-Eddy Model (LEM) is used to construct the PDFs for a …

RANS/PDF and LES/FDF for prediction of turbulent premixed flames

SL Yilmaz - 2008 - search.proquest.com
Probability density function (PDF) and filtered density function (FDF) methodologies are
developed and implemented, respectively, for Reynolds-averaged Navier-Stokes (RANS) …

Direct comparison of PDF and scalar dissipation rates between LEM simulations and experiments for turbulent, premixed methane air flames

HP Tsui, MM Kamal, S Hochgreb, WK Bushe - Combustion and Flame, 2016 - Elsevier
We present a direct comparison between the predicted and measured probability density
functions (PDF) of the reaction progress variable and conditioned values of the scalar …

Dynamic closure of scalar dissipation rate for large eddy simulations of turbulent premixed combustion: A direct numerical simulations analysis

Y Gao, N Chakraborty, N Swaminathan - Flow, Turbulence and …, 2015 - Springer
Dynamic algebraic closure of scalar dissipation rate (SDR) of reaction progress variable in
the context of Large Eddy Simulations (LES) of turbulent premixed combustion has been …

A scalar pdf construction model for turbulent non-premixed combustion

GM Goldin, S Menon - Combustion science and technology, 1997 - Taylor & Francis
A new model is presented to construct a realistic form for the joint-scalar probability density
function, as opposed to assuming its shape, with application to the moment equation …

A dynamic model for the turbulent burning velocity for large eddy simulation of premixed combustion

E Knudsen, H Pitsch - Combustion and flame, 2008 - Elsevier
Turbulent premixed combustion is particularly difficult to describe using large eddy
simulation (LES). In LES, premixed flame structures typically exist on subfilter length scales …

LES of a non-premixed flame using an extended flamelet/progress variable model

M Ihme, H Pitsch - 43rd AIAA Aerospace Sciences Meeting and Exhibit, 2005 - arc.aiaa.org
In recent years, large-eddy simulation (LES) has been shown to have advantages in
modeling turbulent combustion processes of engineering interest. For the prediction of non …

Laminar flamelet expressions for pressure fluctuation terms in second moment models of premixed turbulent combustion

P Domingo, KNC Bray - Combustion and flame, 2000 - Elsevier
New reacting flow models are proposed and tested for all pressure fluctuation covariances
that are known to play a crucial role in the second moment closure of the averaged …

Modeling of turbulent combustion

B Merci, E Mastorakos, A Mura - Handbook of Combustion …, 2010 - Wiley Online Library
In turbulent combustion, spatial and temporal fluctuations always play a predominant role.
Along with the strong nonlinearity in combustion physics and chemistry, for example, in …

Large eddy simulation of turbulent premixed combustion using tabulated detailed chemistry and presumed probability density function

H Zhang, C Han, T Ye, Z Ren - Journal of Turbulence, 2016 - Taylor & Francis
ABSTRACT A method of chemistry tabulation combined with presumed probability density
function (PDF) is applied to simulate piloted premixed jet burner flames with high Karlovitz …