Laser-induced fluorescence measurements and modeling of nitric oxide in methane–air and ethane–air counterflow diffusion flames

2000 ◽  
Vol 120 (3) ◽  
pp. 372-382 ◽  
Author(s):  
R.V. Ravikrishna ◽  
Normand M. Laurendeau
Keyword(s):  
Nitric Oxide ◽  
Diffusion Flames ◽  
Laser Induced Fluorescence ◽  
Counterflow Diffusion Flames ◽  
Fluorescence Measurements

Evaluation of nitric oxide kinetics in high-pressure flames (up to 5 atm)

2003 ◽  
Vol 217 (5) ◽  
pp. 529-536 ◽  
Author(s):  
R. V. Ravikrishna ◽  
N. M. Laurendeau
Keyword(s):  
Nitric Oxide ◽  
High Pressure ◽  
Diffusion Flames ◽  
Chemical Kinetic ◽  
Laser Induced Fluorescence ◽  
Predictive Capability ◽  
Counterflow Diffusion Flames ◽  
Kinetic Mechanisms ◽  
Research Institute

Nitric oxide kinetics in laminar, counterflow diffusion flames at pressures from 1 to 5 atm are assessed by comparing predictions of NO concentration ([NO]) using comprehensive chemical kinetic mechanisms with highly quantitative laser-induced fluorescence (LIF) measurements. The most recent Gas Research Institute (GRI) mechanism, version 3.0, is used and is compared with the older version 2.11 mechanism. Results indicate that there is significant improvement in the predictive capability of the GRI 3.0 mechanism over the 2.11 mechanism with regard to predicting the magnitude of [NO] as well as the trend of [NO] variation with pressure. However, there is still substantial difference between [NO] predictions and measurements, especially at lower pressures, indicating a need for further refinement of NO kinetics.

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