An eddy dissipation concept performance study for space propulsion applications

D Martinez-Sanchis, A Sternin, J Shvab, O Haidn, X Hu - Aerospace, 2022 - mdpi.com
In this study, Direct Numerical Simulations (DNS) of a turbulent diffusion flame are
conducted to investigate the performance of the Eddy Dissipation Concept in turbulent …

[PDF][PDF] Comparison of four eddy-viscosity turbulence models in the eddy dissipation modeling of turbulent diffusion flames

KM Saqr, MA Wahid - International Journal of Applied …, 2011 - researchgate.net
Within the eddy dissipation model of turbulent diffusion flames, the method of computing the
dissipation rate of turbulence kinetic energy is vitally crucial for the accurate expression of …

Reynolds number-based global modification of EDC constants and simulation of a syngas and a piloted CH4/air flames

D He, Y Yu, X Zhang, Y Jia, C Wang - Energy, 2023 - Elsevier
Abstract The Eddy Dissipation Concept (EDC), as a promising flame prediction model, is
reviewed comprehensively. Instead of strong modifications of the standard EDC constants to …

Numerical simulation with an extinction database for use with the eddy dissipation concept for turbulent combustion

B Lilleberg, D Christ, IS Ertesvåg, KE Rian… - Flow, turbulence and …, 2013 - Springer
A Local Extinction approach for treating chemical reaction kinetics within the Eddy
Dissipation Concept (EDC) has been examined. It applies a database of pre-calculated …

[HTML][HTML] Investigations of the extended Eddy Dissipation Concept formulation for weakly turbulent and slow chemistry flames

BA Putra, IS Ertesvåg - Fuel, 2023 - Elsevier
Recent extensions of the Eddy Dissipation Concept (EDC) are investigated with the purpose
of analysing the importance of model limiters to the EDC performance when predicting …

[PDF][PDF] Large eddy simulation of fire dynamics with the improved eddy dissipation concept

Z Chen, JX Wen, B Xu, S Dembele - Fire Safety Science, 2011 - publications.iafss.org
The eddy dissipation concept (EDC) for turbulent combustion modeling was originally
proposed by Magnussen in the Reynolds averaged Navier-Stokes (RANS) context. This …

Application of Eddy dissipation concept for modeling biomass combustion, Part 1: Assessment of the model coefficients

M Farokhi, M Birouk - Energy & Fuels, 2016 - ACS Publications
The eddy dissipation concept (EDC) model has the ability to incorporate detailed chemistry
in turbulent combustion, which makes it attractive for simulating a wide range of industrial …

Modeling of eddy characteristic time in LES for calculating turbulent diffusion flame

M Yaga, H Endo, T Yamamoto, H Aoki… - International Journal of …, 2002 - Elsevier
We have constructed an eddy characteristic time derived from large-scale motion to
calculate the combustion reaction rate using a new eddy dissipation concept (EDC) model …

The eddy dissipation concept—analysis of different fine structure treatments for classical combustion

M Bösenhofer, EM Wartha, C Jordan, M Harasek - Energies, 2018 - mdpi.com
The Eddy Dissipation Concept (EDC) is common in modeling turbulent combustion. Several
model improvements have been proposed in literature; recent modifications aim to extend its …

Further Development of Eddy Dissipation Model for Turbulent Non-Premixed Combustion Simulation

X Li, Y Chen, P Wang - Energies, 2023 - mdpi.com
In view of the application limits of the modified eddy dissipation model (MEDM) in
simulations of weakly turbulent flow, compressible flow, and internal flow, an improved eddy …