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首页> 外文期刊>Mathematical Problems in Engineering >Numerical Investigation into CO_2 Emission, O_2 Depletion, and Thermal Decomposition in a Reacting Slab
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Numerical Investigation into CO_2 Emission, O_2 Depletion, and Thermal Decomposition in a Reacting Slab

机译：反应平板中CO_2排放，O_2耗竭和热分解的数值研究

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摘要

The emission of carbon dioxide (CO2) is closely associated with oxygen (O2) depletion, and thermal decomposition in a reacting stockpile of combustible materials like fossil fuels (e.g., coal, oil, and natural gas). Moreover, it is understood that proper assessment of the emission levels provides a crucial reference point for other assessment tools like climate change indicators and mitigation strategies. In this paper, a nonlinear mathematical model for estimating the CO_2 emission, O_2 depletion, and thermal stability of a reacting slab is presented and tackled numerically using a semi-implicit finite-difference scheme. It is assumed that the slab surface is subjected to a symmetrical convective heat and mass exchange with the ambient. Both numerical and graphical results are presented and discussed quantitatively with respect to various parameters embedded in the problem.
机译：二氧化碳（CO2）的排放与氧气（O2）的消耗以及可燃材料（例如化石燃料）（例如煤，石油和天然气）的反应堆中的热分解密切相关。此外，可以理解的是，对排放水平的正确评估为其他评估工具（例如气候变化指标和缓解策略）提供了至关重要的参考点。本文提出了一种非线性数学模型，用于估计反应板的CO_2排放，O_2损耗和热稳定性，并使用半隐式有限差分法对其进行了数值处理。假定平板表面受到对称的对流热并与周围环境进行质量交换。数值和图形结果都针对问题中嵌入的各种参数进行了定量介绍和讨论。

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  • 来源
    《Mathematical Problems in Engineering》 |2011年第3期|p.1-19|共19页
  • 作者

    O. D. Makinde; T. Chinyoka; R. S. Lebelo;

  • 作者单位

    Institute for Advance Research in Mathematical Modeling and Computations, Cape Peninsula University of Technology, P.O. Box 1906, Bellville 7535, South Africa;

    Center for Research in Computational and Applied Mechanics, University of Cape Town, Rondebosch 7701, South Africa;

    Institute for Advance Research in Mathematical Modeling and Computations, Cape Peninsula University of Technology, P.O. Box 1906, Bellville 7535, South Africa;

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