Modeling thermal radiation in combustion environments: progress and challenges

S Mazumder, SP Roy - Energies, 2023 - mdpi.com
Modeling thermal radiation in combustion environments can be extremely challenging for
two main reasons. First, the radiative transfer equation (RTE), which is the cornerstone of …

The importance of accurately modelling soot and radiation coupling in laminar and laboratory-scale turbulent diffusion flames

F Liu, JL Consalvi, F Nmira - Combustion and Flame, 2023 - Elsevier
Ultrafine and highly light absorbing soot particles have been known to be harmful to human
health and a major climate forcer. Understanding the mechanisms of soot formation and …

The impact of radiative heat transfer in combustion processes and its modeling–with a focus on turbulent flames

F Liu, JL Consalvi, PJ Coelho, F Andre, M Gu… - Fuel, 2020 - Elsevier
Radiative heat transfer (RHT) is often the dominant mode of heat transfer in flames, fires,
and combustion systems and affects significantly temperature distributions directly and …

Local contributions of resolved and subgrid turbulence-radiation interaction in LES/presumed FDF modelling of large-scale methanol pool fires

F Nmira, JL Consalvi - International Journal of Heat and Mass Transfer, 2022 - Elsevier
The present study aims to quantify individual contributions to turbulence-radiation interaction
(TRI) in LES of large methanol pool fires with diameters ranging from 1m to 4m. These …

A turbulent combustion model for soot formation at the LES subgrid-scale using virtual chemistry approach

HM Colmán, N Darabiha, D Veynante, B Fiorina - Combustion and Flame, 2023 - Elsevier
Designing efficient and clean combustion devices to reduce soot formation in practical
applications is a major concern nowadays. This could be achieved by performing predictive …

Influence of gas radiative property models on Large Eddy Simulation of 1 m methanol pool fires

F Nmira, L Ma, JL Consalvi - Combustion and Flame, 2020 - Elsevier
The main objective of this work is to analyze the effects of gas radiative property models on
the radiative outputs and flame structure in a 1 m diameter methanol pool fire. Large Eddy …

Flamelet/transported PDF simulations of ethylene/air jet turbulent non-premixed flame using a three-equation PAH-based soot production model

F Nmira, A Bouffard, JL Consalvi - Combustion Theory and …, 2023 - Taylor & Francis
This article reports flamelet/transported PDF (TPDF) simulations of the well-documented
ethylene/air turbulent non-premixed jet flame investigated experimentally at Sandia. The …

A Quasi-Monte Carlo method to compute scattering effects in radiative heat transfer: Application to a sooted jet flame

K Torres-Monclard, O Gicquel, R Vicquelin - International Journal of Heat …, 2021 - Elsevier
Abstract The Monte-Carlo simulation of radiative heat transfer is known to be very accurate.
Its convergence can be significantly improved using Randomized Quasi-Monte-Carlo …

Improved Monte Carlo method for radiative heat transfer in semitransparent media with BRDF surface

D Li, G Li, D Hong, P Li, W Ji, Z Yi - International Journal of Thermal …, 2023 - Elsevier
This paper proposes an improved Monte Carlo method (IMCM) for the radiative heat transfer
solution in semitransparent media with BRDF surface for the first time. This method not only …

Mini-Review: Heat Transfer Mechanisms in MILD Combustion Systems

G Ceriello, G Sorrentino, A Cavaliere… - Frontiers in …, 2021 - frontiersin.org
MILD combustion has a wide potential in enhancing thermal efficiency with nearly zero
emissions. It has no visible flame since the radiation from the reacting zones is attenuated …