E223 木質バイオマス充填層の熱分解過程における熱伝導シミュレーション(OS-10:バイオマスエネルギー(II))

概要

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The volume reduction process was closely connected with the pyrolysis and divided three regions; i) region of dehydration from biomass, ii) region of pyrolysis of cellulose and iii) region of pyrolysis of lignin. The process could be expressed by the reversible first-order chemical reaction model. Apparent density of the packed bed of biomass particles depended on the temperature. Especially, the density at T > 623 K became about 60% of that at room temperature. Furthermore, time course of average temperature in the biomass layer can be reproduced by the numerical simulation of the thermal conduction through the pyrolysis, which is included in the change of the apparent density and the change of the biomass surface by the volume reduction.
一般社団法人日本機械学会の論文
2010-10-29