首页> 外文期刊>Numerical Heat Transfer, Part B. Fundamentals: An International Journal of Computation and Methodology >EXTENDING A HYBRID FINITE-VOLUME-ELEMENT METHOD TO SOLVE LAMINAR DIFFUSIVE FLAME
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EXTENDING A HYBRID FINITE-VOLUME-ELEMENT METHOD TO SOLVE LAMINAR DIFFUSIVE FLAME

机译:扩展混合有限体积法求解层流扩散火焰

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We extend a hybrid finite-volume-element (FVE) method to treat the laminar reacting flow in cylindrical coordinates considering the collocation of all chosen primitive variables. To approximate the advection fluxes at the cell faces, we use the upwind-biased physical influence scheme PIS and derive a few new extended expressions applicable in the cylindrical frame. These expressions are derived for both the Navier-Stokes and reactive flow governing equations, of which the latter expressions are considered novel in the finite-volume formulation. To validate our derived expressions, the current results are compared with the experimental data and other available numerical solutions. The results show that the accuracy of the current expressions is better than those derived by the past similar numerical investigators.
机译:考虑到所有选定原始变量的搭配,我们扩展了一种混合有限元(FVE)方法,以处理圆柱坐标中的层流反应流。为了近似计算单元表面的对流通量,我们使用了迎风偏向的物理影响方案PIS,并推导了一些适用于圆柱框架的新的扩展表达式。这些表达式是针对Navier-Stokes方程和反应流控制方程式导出的,其中后者在有限体积公式中被认为是新颖的。为了验证我们得出的表达式,将当前结果与实验数据和其他可用的数值解进行比较。结果表明,当前表达式的准确性要优于过去类似的数值研究人员得出的结果。

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