Recommendations

The temperature and pressure range of the validation study was 1540-3030 K and 1-3.9 atm. All mixtures evaluated consisted of ``stoichiometric'' NH₃-N₂O ratios and 90-95% dilution. More data are needed at higher pressure and with lower dilution.

 

Table 11: Summary of Validation Results and Recommendations

Mixture	Mechanism	Temperature	Pressure	Comments
		(K)	(atm)
H2-O2-Ar	[Allen et al. (1995)]	870-2000	1-87	Fair
	[Baulch et al. (1994a)]			Good
	[Frenklach et al. (1995)]			Good
	[Miller and Bowman (1989)]			Best
	[Miller and Bowman (1989)]1			Same as above
H2-Air	[Allen et al. (1995)]	950-1330	2.5-15	Poor above 2.5 atm
	[Baulch et al. (1994a)]			Best, but poor at 2.5 atm
	[Frenklach et al. (1995)]			Poor above 2.5 atm
	[Miller and Bowman (1989)]			Poor above 2.5 atm
	[Miller and Bowman (1989)]1			Same as above
H2-N2O-Ar	[Allen et al. (1995)]	1430-2860	1.5-3.0	Good below 2000 K
	[Frenklach et al. (1995)]			Good below 2000 K, worst
	[Miller and Bowman (1989)]			Good below 2000 K, best
	[Miller and Bowman (1989)]1			Good below 2000 K, best
CH4-O2-Ar	[Baulch et al. (1994a)]	1300-2100	1.7-13	Poor above 3.4 atm
	[Frenklach et al. (1995)]			Best
	[Miller and Bowman (1989)]			Poor
	[Miller and Bowman (1989)]1			Same as above
CH4-N2O-Ar	[Frenklach et al. (1995)]	1470-2780	1-3.5	Good
	[Miller and Bowman (1989)]			Good
	[Miller and Bowman (1989)]1			Same as above
NH3-O2-Ar	[Miller and Bowman (1989)]	1450-4000	3.2-35.8	Poor
	[Miller and Bowman (1989)]1			Good
	[Miller et al. (1983)]			Good
NH3-O2-N2	[Miller and Bowman (1989)]	1490-2330	0.95-3.5	Poor
	[Miller and Bowman (1989)]1			Fair
	[Miller et al. (1983)]			Good
NH3-N2O-Ar	[Miller and Bowman (1989)]	1540-3030	1-3.9	Good
	[Miller and Bowman (1989)]1			Best
	[Miller et al. (1983)]			Good

¹Modified version including [Fujii et al. (1981)] rates.