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

DESCRIPTION OF THE TARGET

Target CH3.C1a: Maximum CH3 concentration in shock tube oxidation of methane

Mixture: CH4-O2-Ar (994ppm-0.2021%-99.7%), phi = 0.984, P = 1.0 atm, T = 2000 K

Reference: Chang, A.Y., Davidson, D.F., DiRosa, M., Hanson, R.K., and Bowman, C.T., 'Shock Tube Experiments for Development and Validation of Kinetic Models of Hydrocarbon Oxidation,' (1994) 25th Symposium (International) on Combustion, Poster 3 - 23.

TARGET VALUES
Experimental
(ppm)		 GRI-Mech 2.11 Trial Mech GRI-Mech 3.0
162 177 178 180

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