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首页> 外文期刊>Combustion Science and Technology >MODELING CHAR COMBUSTION WITH FRACTAL PORE EFFECTS
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MODELING CHAR COMBUSTION WITH FRACTAL PORE EFFECTS

机译：利用分形孔隙效应模拟炭燃烧

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摘要

The effects of char pores on char combustion has been studied with fractal theory. The fractal properties of different char samples were derived from mercury porosimetry measurements. Gas diffusion in pores affects combustion in char pores and this diffusion is affected by the geometrical complexity of pores. To explore gas diffusion and combustion in fractal pores, a fractal geometrical factor β is defined with pore fractal dimensions and other fractal geometrical factors. It has been found that both apparent activation energy and pre-exponential factor have linear relations with the factors β and the char combustion can be modeled with the fractal geometrical factor.
机译：分形理论研究了炭孔对炭燃烧的影响。不同焦炭样品的分形特性来自汞孔隙率法测量。孔中的气体扩散会影响炭孔中的燃烧，而这种扩散会受到孔的几何形状复杂性的影响。为了探索分形孔隙中的气体扩散和燃烧，用分形维数和其他分形几何因子定义了分形几何因子β。已经发现，视在活化能和预指数因子都与因子β具有线性关系，并且可以用分形几何因子对炭燃烧进行建模。

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