摘要
本文提出了采用高频电流点燃石墨粒子的燃烧实验方法,详细叙述了这种实验方法,并在空气环境中进行了实测.实验除了测得粒径在300μm～1500μm范围内石墨粒子的燃尽时间外,还追踪了一些大粒子直径随燃烧时间的变化.将结果与现有的各种理论计算结果及其它实验方法所得结果作了比较,表明石墨粒燃烧符合扩散燃烧的概念.
An approach for measuring the burning time of a graphite particle ignited by using high frequency electrical current is proposed.The method adopted is presented in detail.The graphite particles of diameter ranging from 300 μm to 1500 μm are tested.The results of the burning time of the particles are compared with other ex periment and available theories, showing fine agreement.
关键词
燃烧
点火
煤
炭
石墨
combustion
ignition
coal
carbon
graphite
high-frequency current
