【摘要】 生物质热解动力学模型参数的传统求解方法-积分法和微分法存在着理论上的限制,且对复杂模型存在困难。引入一种直接搜索全局优化方法-模式搜索法求解动力学模型参数,该方法十分有效。利用模式搜索法,提出采用经验二步连续反应模型描述小麦秸秆的热解动力学过程。因为考虑了中间产物的生成,使用了经验动力学模式函数,经验二步连续反应模型比单步全局模型及n阶二步连续反应模型拟合实验数据要好得多。图3表1参15更多还原

【Abstract】 A pattern searching method, which is a direct global optimization technique, is here presented together with a practical example which shows the effectiveness of the method in finding parameters of models. An empirical dual-step consecutive reaction model is introduced for describing the pyrolytic kinetic process of wheat straw. Because the formation of intermediate matter has been considered, thanks to the application of empirical kinetic model mechanism functions, the empirical model is much more suitable for fitting test data than the single-step global model or the n-order dual-step model. Figs 3, table 1 and refs 15.更多还原