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Numerical simulation of GSP gasifier under different swirl angles

机译:GSP气化炉在不同旋流角下的数值模拟

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摘要

Based on chemical equilibrium assumption, a comprehensive three-dimensional numerical model was developed for a GSP gasifier. The Euler-Lagrange approach was applied to describe the multiphase flow in the reactor. The mixture fractions were used to describe the thermochemistry. The probability density function (PDF) of beta-function was used to model the turbulence-chemistry interaction. The stochastic tracking technique was used to model turbulence-particle motion interaction. The predictions were in good agreement with design and other's results, demonstrating the reliability of the model.
机译:基于化学平衡假设,开发了GSP气化炉的综合三维数值模型。用欧拉-拉格朗日方法描述反应器中的多相流。混合物级分用于描述热化学。 β函数的概率密度函数(PDF)用于模拟湍流-化学相互作用。随机跟踪技术被用来模拟湍流-粒子运动的相互作用。这些预测与设计和其他结果非常吻合,证明了模型的可靠性。

著录项

  • 来源
    《Fuel》 |2015年第1期|155-163|共9页
  • 作者单位

    Tsinghua Univ, Dept Thermal Engn, Key Lab Thermal Sci & Power Engn, Minist Educ, Beijing 100084, Peoples R China;

    Tsinghua Univ, Dept Thermal Engn, Key Lab Thermal Sci & Power Engn, Minist Educ, Beijing 100084, Peoples R China;

    Tsinghua Univ, Dept Thermal Engn, Key Lab Thermal Sci & Power Engn, Minist Educ, Beijing 100084, Peoples R China;

    Tsinghua Univ, Dept Thermal Engn, Key Lab Thermal Sci & Power Engn, Minist Educ, Beijing 100084, Peoples R China;

  • 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

    Gasification; Pulverized coal gasifier; Numerical simulation; Probability density function (PDF) model; Swirl angle;

    机译:气化;粉煤气化炉;数值模拟;概率密度函数(PDF)模型;旋流角;

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