The flame holder made of dense cordierite was installed in the quarter of the combustor.The premixed gas of methane and air was ignited just downstream of the flame holder to form a flat flame.

• 致密堇青石材质的多孔介质稳燃体位于燃烧器四分之一管长处，甲烷与空气的预混气体在稳燃体上方燃烧形成平面火焰作为加热热源。