A wide-band based weighted-sum-of-gray-gases model for participating media: Application to H2O-CO2 mixtures with or without soot
The presence of participating gases and soot in combustion processes often makes the
thermal radiation the main mechanism of heat transfer due to the elevated temperatures …
thermal radiation the main mechanism of heat transfer due to the elevated temperatures …
A Compact WSGG Formulation to Account for Inhomogeneity of H2O–CO2 Mixtures in Combustion Systems
AHB Selhorst, GC Fraga… - Journal of Heat …, 2022 - asmedigitalcollection.asme.org
An alternative weighted-sum-of-gray-gases (WSGG) model is proposed with a single set of
constant pressure-based absorption coefficients that accounts for different mole fraction …
constant pressure-based absorption coefficients that accounts for different mole fraction …
A comprehensive evaluation of the WSGG model for air-and oxy-fuel combustion conditions through three-dimensional calculations
This paper reports an assessment of the accuracy of most formulations of the weighted-sum-
of-gray-gases (WSGG) model proposed in the last decade for the treatment of mixtures of …
of-gray-gases (WSGG) model proposed in the last decade for the treatment of mixtures of …
Influence of gas radiative property models on Large Eddy Simulation of 1 m methanol pool fires
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 …
the radiative outputs and flame structure in a 1 m diameter methanol pool fire. Large Eddy …
Improvement of the efficiency of the superposition method applied to the WSGG model to compute radiative transfer in gaseous mixtures
RM da Silva, GC Fraga, FHR França - … Journal of Heat and Mass Transfer, 2021 - Elsevier
A new method for the treatment of radiative heat transfer in mixtures of participating species
in the framework of the weighted-sum-of-gray-gases (WSGG) model is proposed, based on …
in the framework of the weighted-sum-of-gray-gases (WSGG) model is proposed, based on …
Radiative transfer calculations in fire simulations: An assessment of different gray gas models using the software FDS
The accuracy of the gray gas (GG) assumption for modeling the radiative transfer in fire
simulations is studied for a closed compartment, an open environment, and a compartment …
simulations is studied for a closed compartment, an open environment, and a compartment …
Image temperature calculation for gas and particle system by the mid-infrared spectrum using DRESOR and SNBCK model
The balance between spatial and spectral resolutions plays a key role in image temperature
measurement using Imaging Fourier Transform Infrared Spectroscopy (IFTS). In this study …
measurement using Imaging Fourier Transform Infrared Spectroscopy (IFTS). In this study …
Simultaneous reconstruction of temperature and concentration of H2O and soot based on infrared emission spectrum by inverse analysis
The simultaneous measurement of temperature and concentration of species for emission-
based measuring methods is difficult due to the coupling of the radiation from soot and gas …
based measuring methods is difficult due to the coupling of the radiation from soot and gas …
Assessing requirements for modeling radiation in diffusion flames using an analytical, non-local model
An analytical approach for the calculation of radiative self-absorption in flames is presented,
with the objective of providing an effective and computationally inexpensive tool for selecting …
with the objective of providing an effective and computationally inexpensive tool for selecting …
Numerical study on forced convection in the exhaust problem using the spectral line-based weighted sum of gray gases model
M Atashafrooz, T Asadi, WM Yan - International Journal of Heat and Mass …, 2020 - Elsevier
In this work, influences of thermal radiation on forced convection in the Exhaust problem are
effectively simulated by application of the spectral line-based weighted sum of gray gases …
effectively simulated by application of the spectral line-based weighted sum of gray gases …