为了揭示涡流二极管内三维强旋流动的特性与其阻抗性能的关系,进一步提高涡流二极管正反向流动阻抗比,本文采用Reynolds应力模型对涡流腔内非对称强旋转湍流流动进行了数值模拟,分析了腔内矢量场与标量场的分布特性,基于涡流腔内的涡量分析,得到了涡流腔内旋流的强制涡与自由涡结构及各自区域范围,并研究了涡流腔径宽比对整体性能的影响,为涡流二极管的结构设计提供参考依据。 In order to reveal the relationship between the strong three-dimensional vortex flow in the vortex diode and its impedance performance and to further increase the forward and reverse flow impedance ratio of the vortex diode, the Reynolds stress model is used to simulate the strongly asymmetric turbulent flow in the vortex chamber. Cavity vector field and scalar field. Based on the vorticity analysis in the vortex chamber, the swirling vortices and free vortex structures in the vortex chamber and their respective regions are obtained. The effects of vortex chamber aspect ratio on the overall performance The effect of the eddy current diode structure design provides a reference.