An experimental and theoretical investigation of the dilution, pressure and flow-field effects on the extinction condition of methane-air-nitrogen diffusion flames

1991 ◽  
Vol 23 (1) ◽  
pp. 503-511 ◽  
Author(s):  
H.K. Chelliah ◽  
C.K. Law ◽  
T. Ueda ◽  
M.D. Smooke ◽  
F.A. Williams
Keyword(s):  
Flow Field ◽  
Theoretical Investigation ◽  
Diffusion Flames ◽  
Extinction Condition ◽  
Nitrogen Diffusion ◽  
Field Effects

Turbulent flow-field effects in a hybrid CFD-CRN model for the prediction of NO and CO emissions in aero-engine combustors

Fuel ◽  
2018 ◽  
Vol 215 ◽  
pp. 853-864 ◽  
Author(s):  
A. Innocenti ◽  
A. Andreini ◽  
D. Bertini ◽  
B. Facchini ◽  
M. Motta
Keyword(s):  
Flow Field ◽  
Turbulent Flow ◽  
Field Effects ◽  
Aero Engine ◽  
Turbulent Flow Field

Effect of Diluent on the Blowout Limits of Jet Diffusion Flames

2001 ◽  
Author(s):  
N. Papanikolaou ◽  
I. Wierzba ◽  
V. W. Liu
Keyword(s):  
Carbon Dioxide ◽  
Experimental Investigation ◽  
Flow Field ◽  
Diffusion Flames ◽  
Jet Fuel ◽  
Field Structure ◽  
Jet Diffusion Flames ◽  
Air Stream ◽  
Lifted Flames

Abstract The paper will describe the results of an experimental investigation on the effect of diluents premixed with either the jet or co-flowing air stream on the blowout limits and flow field structure of jet diffusion flames. Experiments were conducted for a range of co-flowing air stream velocities with methane as the primary jet fuel, and nitrogen and carbon dioxide as diluents in the jet fuel; carbon dioxide was also used in the co-flowing air stream. The addition of a diluent to the surrounding air stream had a much stronger effect on the blowout limits than the addition of the diluent to the jet fuel. The effect of partially premixing air with the jet fuel on the blowout limits was also investigated. The addition of air (to up to 30%) to the methane jet significantly reduced the blowout limits of lifted flames, but it had little effect on the blowout limits of attached flames, which was rather unexpected.

scholarly journals Buoyant Tsuji diffusion flames: global flame structure and flow field

2020 ◽  
Vol 895 ◽  
Author(s):  
Mariovane S. Donini ◽  
Cesar F. Cristaldo ◽  
Fernando F. Fachini
Keyword(s):  
Flow Field ◽  
Diffusion Flames ◽  
Flame Structure ◽  
Image Position

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