| Description of target | Sensitivity diagram | Prediction of GRI-Mech 3.0 |

DESCRIPTION OF THE TARGET

Target SCH.C12: Maximum CH concentration in a laminar premixed flame of methane

Mixture: CH4-O2-N2 (10%-24.7%-65.3%)
phi = 0.8, P = 0.033 atm, flow rate = 2.4875 gm/cm^2 s

References: Berg, P.A., Hill, D.A., Noble, A.R., Smith, G.P., Jeffries, J.B., and Crosley, D.R., 'Absolute CH Concentration Measurements in Low Pressure Hydrocarbon Flames: Comparison with Model Predictions,' (1997) 35th Aerospace Sciences Meeting, Paper 97-0905, Reno.

TARGET VALUES
Experimental
(ppm)		 GRI-Mech 2.11 Trial Mech GRI-Mech 3.0
4.1 (± 0.7) 3.9 3.11 3.16

SENSITIVITY DIAGRAMS

The sensitivity spectra shown below were computed with a trial reaction mechanism composed of a set of 322 elementary reactions of 53 species.

Sensitivity coefficients with respect to rate coefficients Sensitivity coefficients with respect to heats of formation

Other targets