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A COMPREHENSIVE MATHEMATICAL MODEL FOR BIOMASS COMBUSTION

机译:生物质燃烧的综合数学模型

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摘要

This article reports on an investigation of a comprehensive mathematical model for biomass combustion within the one-dimensional model framework. The model takes into account different thermochemical processes, e.g., moisture evaporation, pyrolysis, heterogeneous char reactions, intra-particle heat and mass transfer, and changes in thermo-physical properties. Different approaches to model the various processes involved in the thermochemical conversion of biomass are discussed, and a sensitivity study is carried out to investigate the performance of sub-models for the drying process. The comprehensive model is used to investigate the effect of moisture diffusion and vapor condensation inside the particle pores. The model is evaluated under different conditions, and satisfactory comparison of the model results with experimental data and model results from other researchers is observed.
机译:本文报告了对一维模型框架内生物质燃烧的综合数学模型的研究。该模型考虑了不同的热化学过程,例如水分蒸发,热解,异质炭反应,颗粒内传热和传质以及热物理性质的变化。讨论了对生物质热化学转化所涉及的各种过程进行建模的不同方法,并进行了敏感性研究,以研究干燥过程中子模型的性能。该综合模型用于研究颗粒孔内部水分扩散和蒸汽凝结的影响。在不同条件下对模型进行评估,并且将模型结果与实验数据和其他研究人员的模型结果进行了令人满意的比较。

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