Gas Fuel Properties - Global Combustion

Gaseous Fuel Properties (Typical)

		Natural Gas	LPG	LPG	Coke Oven	Air	Oxygen
		UK (typical)	Commercial	Commercial	Gas
Composition % v/v			Propane	Butane	typical

	O2				0.4	20.95	100
	CO2	0.2			2	0.03
	CO				7.4
	H2				54
	N2	1.5			5.6	78.1
	CH4	94.4		0.1	28
	C2H6	3.0	1.5	0.5
	C3H8	0.5	91	7.2
	C4H10	0.2	2.5	88
	CnH2n+2	0.2
	C3H6		5	4.2	2.6
	CnH2n
	Ar					0.92
	total	100.0	100.0	100.0	100.0	100.0	100.0

Density	kg/m3(n)	0.76	1.97	2.51	0.5	1.29	1.6

SG	rel air	0.59	1.52	1.94	0.38	1	1.24

Theoretical Air v/v		9.56	23.76	29.9	4.57

Waste Gas	v/v
	CO2	1.04	3.01	3.87	0.44
	H2O	2.02	3.96	4.82	1.17
	N2	7.72	18.77	23.64	3.67

	Total	10.78	25.74	32.33	5.28

Calorific Value
Gross	MJ/m3(n)	40.7	99.0	124.3	21.0
Net		36.7	91.2	114.7	18.7

Specific Heat Ratio		1.29	1.12	1	1.35	1.39	1.36

Dynamic Viscosity
	mPa s	0.01	0.01	0.01	0.01	0.01	0.01