应用基于时间推进的有限差分法求解跨音速压气机风扇转子内部三维粘性流场.该方法以新型LU隐式格式和改良型MUSCL TVD格式为基础,对三维可压缩雷诺平均Navie-Stokes方程和低雷诺数q-ω双方程湍流模型进行求解.计算得到了NASA Lewis 67跨音速、低展弦比轴流风扇转子的性能曲线并重点分析了近最高效率点工况和近失速工况下的内部流场.计算与实验结果的对比表明此方法能够得到三维粘性流场的流动特性且计算精度较高,可用来模拟跨音速风扇转子内部流动.
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