| Properties |
Acetylene |
Hydrogen |
CNG |
| Composition |
C2H2 |
H2 |
CH4:86.4-90% C2H6:3-6% C3H8 |
| Density(kg/m3) at 1atm &200°C |
1.092 |
0.08 |
0.72 |
| Autoignition temp(K) |
598 |
845 |
723 |
| Stoichiometric A/F ratio(kg/kg) |
13.2 |
34.3 |
17.3 |
| Flammability limit(vol %) |
2.5-8.1 |
4-74.6 |
5.3-15 |
| Lower Calorific Value(kJ/kg) |
48,225 |
120000 |
45800 |
| Ignition energy(mJ) |
0.019 |
0.02 |
0.28 |
|
