Numerical Simulation of Reactive Flows in Overexpanded Supersonic Nozzle with Film Cooling

Table 3

Operating test cases conditions and initial inputs for CFD calculation.

Test cases		1	2	3	4^*
Measured quantities
LO2 mass flow	(g/s)	44.9	46.1	67.2	x
LH2 mass flow	(g/s)	24.2	14.2	35.9	x
o/f		1.86	3.25	1.87	6
Conditions at the H2 cooling injector
cooling (H2)	(bar)	3.1	3.2	4.3	4.3
cooling (H2)	(K)	291.35	294.25	295.65	294
Conditions at the combustion chamber
(combustion chamber)	(bar)	25.9	22.2	36.5	25.9
(calculated)	(K)	1693	2577	1945	3372
Calculated species mass fractions
	%	0.73229	0.85903	0.73366	0.87603
	%	0.	0.00190	0.	0.06548
	%	0.26771	0.13840	0.26634	0.03777
	%	0.	0.00001	0.	0.00580
	%	0.	0.00065	0.	0.00325
	%	0.	0.00001	0.	0.01168

This case is performed only numerically.