采用双向耦合模型对有涡配对的二维气固两相混合层数值模拟,在考虑颗粒对流场反作用基础上进一步对颗粒间通过流体的相互作用进行分析.流场用拟谱方法求解,颗粒用颗粒轨道模型跟踪.结果发现,流场中大涡卷起和配对仍居主导地位;颗粒St数为O(0.1)～O(1)时,颗粒减弱了流场雷诺应力强度,加快涡量扩散;St数为O(1)时,颗粒分布极不均匀,主要集中在涡的边缘.
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