Results show that the hydrog en in methane/air mixture not only decreases the ignition temperature greatly,bu t increases the burning rate and shortens the burnout time notably.

• 结果表明，甲烷火焰中少量氢气的存在不仅可以降低甲烷的着火温度，而且可以显著增大燃烧速率，缩短燃尽时间。