A simple closure for filtered reaction of a reaction progress variable is analysed in this study
using explicitly filtered DNS data of turbulent MILD combustion of methane for Large Eddy …

Abstract A priori Direct Numerical Simulation (DNS) assessment of the closures for the
filtered reaction rate and the Favre-filtered scalar dissipation rate (SDR) for large eddy …

Turbulent piloted Bunsen flames of stoichiometric methane–air mixtures are computed using
the large eddy simulation (LES) paradigm involving an algebraic closure for the filtered …

An algebraic reaction rate closure involving filtered scalar dissipation rate of reaction
progress variable is studied. The filtered scalar dissipation rate closure requires a model for …

Direct numerical simulation (DNS) and large eddy simulation (LES) of two-dimensional
nonpremixed methane jet flames are conducted to assess the performance of subgrid-scale …

Direct numerical simulations (DNS) of statistically planar flames at moderate and high
Karlovitz number (Ka) have been used to perform an a priori evaluation of a presumed-PDF …

The unstrained and strained flamelet closures for filtered reaction rate in large eddy
simulation (LES) of premixed flames are studied. The required sub-grid scale (SGS) PDF in …

Different combustion models for large eddy simulation, including the quasi-laminar (QL),
Eddy dissipation concept (EDC), and partially stirred reactor (PaSR) models, are assessed …

Subgrid-scale (SGS) parameterization and method for calculating filtered reaction rate are
critical components of an accurate large-eddy simulation (LES) of turbulent flames. In this …

Large eddy simulation (LES) is a promising tool for numerical simulations of reacting flows,
especially when combustion instabilities are encountered. Nevertheless, a difficulty occurs …