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

DESCRIPTION OF THE TARGET

Target IG.St3b: Shock tube ignition delay

Mixture: CH4-O2-Ar (4.8%-19.1%-76.1%), phi = 0.5, P = 1.9 atm, T = 1845 K

Reference: Seery, D.J., and Bowman, C.T., 'An Experimental and Analytical Study of Methane Oxidation Behind Shock Waves,' (1970) Combust. Flame 14, 37.

TARGET VALUES
Experimental
(microsec)		 GRI-Mech 2.11 Trial Mech GRI-Mech 3.0
43 51 60 45

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