Table 2.

Explosion limit for methane in air at different initial conditions.

Vessel	Temperature/K	Pressure/MPa	Explosion limit/vol.%	References
3.4 L glass tube	298	0.1	5.15–16.15	Wang et al.40
20 L spherical	298	0.1	5–15	Zhang and Ng25
12 L spherical	308	0.1	4.9–15.8	Kondo et al.41
40 L cylindrical	293	0.1	4.65–15.5	Gieras et al.42