Calculation results show that the code can predict inner flow-field of turbomachinery accurately and gas separation, as well as reattachment appeared in this turbine stage.
计算结果表明该程序能够很好地预测透平机械内流场,该涡轮级通道内部整体流动状况良好,只是在叶尖处存在局部气流分离和再附现象。
The re-circulation and reattachment process in backward-facing step flow is investigated using large eddy simulation (LES).
应用自主开发的大涡模拟程序数值模拟研究了后台阶流动中再附着过程的演变。
When the flow kept with turbulent state, the relationship between reattachment length and step ratio is obtained, which agrees well with the experimental visualization results.
在湍流情况下,研究了突扩比对再附长度的影响,与实验结果吻合的比较好。
The theoretical calculations show that the inner flow field presents strong 2dimension property. The reattachment point depends on the inlet sidestep height and combustion property.
理论计算表明发动机内流场呈现很强的二维特征,附着点位置与入口台阶高度和燃烧性能有关。
The theoretical calculations show that the inner flow field presents strong 2dimension property. The reattachment point depends on the inlet sidestep height and combustion property.
理论计算表明发动机内流场呈现很强的二维特征,附着点位置与入口台阶高度和燃烧性能有关。
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