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

DESCRIPTION OF THE TARGET

Target IG.St4a: Shock tube ignition delay

Mixture: CH4-O2-Ar (3.4%-6.7%-89.9%), phi = 1.0, P = 34.6 atm, T = 1408 K

Reference: Peterson, E.L., Davidson, D.F., Rohrig, M., Hanson, R.K., and Bowman, C.T., (1995), to be published.

TARGET VALUES
Experimental
(microsec)		 GRI-Mech 2.11 Trial Mech GRI-Mech 3.0
534 576 780 475

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