球状炭素粒子および粒子群の燃焼挙動に及ぼす酸素濃度, 初期粒径の影響

概要

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Combustion behavior of carbon particle (s) is studied experimentally by varying oxygen concentration and initial particle size. Although the burning time for a single carbon particle depends on the oxygen concentration and initial particle size, the combustion rate constant is found to be independent of the initial particle size, which suggests that the single-particle combustion obeys the d^2 law. For the dust combustion with carbon particles, flame propagation speed is measured at various dust and oxygen concentrations and initial particle sizes. Usefulness of the proposed parameter, which is the product of the flame propagation speed and the initial particle size, is shown in arranging experimental data when the initial particle size is less than about 20 μm.
社団法人日本機械学会の論文
1997-03-25