Numerical Study of the Effects of Oxygen Concentration and Fuel Jet Velocity on Thermal Radiation in Methane and Propane Turbulent Diffusion Flames

2015 ◽  
Vol 93 (9) ◽  
pp. 1567-1576 ◽  
Author(s):  
Long Wu ◽  
Noriyuki Kobayashi ◽  
Zhanyong Li ◽  
Hongyu Huang
Keyword(s):  
Thermal Radiation ◽  
Oxygen Concentration ◽  
Turbulent Diffusion ◽  
Diffusion Flames ◽  
Numerical Study ◽  
Turbulent Diffusion Flames ◽  
Fuel Jet ◽  
Jet Velocity

Modeling of Free Vertical Turbulent Diffusion Flames

1991 ◽  
Author(s):  
M. A. Gadalla ◽  
M. A. R. Sharif
Keyword(s):  
Temperature Distribution ◽  
Turbulent Diffusion ◽  
Diffusion Flames ◽  
Turbulent Diffusion Flame ◽  
Jet Mixing ◽  
Turbulent Diffusion Flames ◽  
Air Jet ◽  
Annular Jet ◽  
Fuel Jet ◽  
Model Predictions

Abstract A mathematical/empirical model compatible with the jet mixing theory for predicting the flow field properties, flame envelope, temperature distribution, and flame heights around a free vertical axi-symmetric turbulent diffusion flame has been developed. The model considers the effects of buoyancy force and the relative angle between the reactant jets. The flames are issued from a burner which consists of a central air jet and an annular fuel (commercial butane) jet. The annular jet is issued either vertically or at an angle to the flame axis. Experiments were performed earlier to measure the temperature distribution and concentration of carbon dioxide and oxygen in such flames. Three angular positions of the annular fuel jet and nine burner geometries were investigated. The model predictions in similar configurations are found to be in fair agreement with the experimental data.

scholarly journals Modelling soot production and thermal radiation for turbulent diffusion flames

2017 ◽  
Vol 126 ◽  
pp. 826-833 ◽  
Author(s):  
Lorenzo Mazzei ◽  
Stefano Puggelli ◽  
Davide Bertini ◽  
Daniele Pampaloni ◽  
Antonio Andreini
Keyword(s):  
Thermal Radiation ◽  
Turbulent Diffusion ◽  
Diffusion Flames ◽  
Turbulent Diffusion Flames
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