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Furnace for biomass combustion - Comparison of model with experimental data

机译:生物质燃烧炉-模型与实验数据的比较

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摘要

As one of the most easily accessible renewable energy resources, straw can be burned to provide heat energy. In this paper, results of theoretical and experimental research conducted under the proceedings of mathematical - numerical modeling of turbulent reacting flows has been presented. Two-dimensional turbulent flow model with homogeneous chemical reactions has been developed. The proposed model has been analyzed on the example of adiabatic combustion chamber for combustion of agricultural biomass. Turbulent flow is considered using time averaging Navier-Stokes equations that are closed by k-E turbulence model. Calculations based on the proposed models were conducted using commercial CFD package FLUENT 6.3.26. For the purposes of experimental research, measurements of fluid flow and thermal parameters, such as continuous measurement of temperature in different points in the workspace furnace, air flow, flue gas flow, continual analysis of combustion products as well as setting heat and material balance, were carried out. Comparative analysis of the results of experiments and calculations indicate satisfactory agreement between the model and experiment.
机译:作为最容易获得的可再生能源之一,秸秆可以燃烧以提供热能。本文介绍了在湍流反应流的数学-数值建模过程中进行的理论和实验研究的结果。建立了具有均相化学反应的二维湍流模型。以用于农业生物质燃烧的绝热燃烧室为例分析了提出的模型。使用由k-E湍流模型封闭的时间平均Navier-Stokes方程来考虑湍流。使用商业CFD软件包FLUENT 6.3.26进行了基于建议模型的计算。为了进行实验研究,需要测量流体流量和热参数,例如连续测量工作空间炉内不同点的温度,气流,烟气流量,燃烧产物的连续分析以及设定热量和物料平衡,被执行。对实验结果和计算结果的比较分析表明,该模型与实验结果令人满意。

著录项

  • 来源
    《International Journal of Heat and Mass Transfer》 |2012年第16期|p.4312-4317|共6页
  • 作者单位

    University of Belgrade, Institute of Nuclear Sciences 'Vinca', Laboratory for Thermal Engineering and Energy, P.O. Box 522, 11001 Belgrade, Serbia;

    University of Belgrade, Institute of Nuclear Sciences 'Vinca', Laboratory for Thermal Engineering and Energy, P.O. Box 522, 11001 Belgrade, Serbia;

    University of Belgrade, Faculty of Mechanical Engineering, Innovation Centre, Kraljice Marije 16, 11120 Belgrade 35, Serbia;

    University of Belgrade, Faculty of Mechanical Engineering, Kraljice Marije 16, 11120 Belgrade 35, Serbia;

    University of Belgrade, Institute of Nuclear Sciences 'Vinca', Laboratory for Thermal Engineering and Energy, P.O. Box 522, 11001 Belgrade, Serbia;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    biomass; mathematical modeling; k-ε model; experimental investigation;

    机译:生物质数学建模;k-ε模型;实验研究;

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