从描述回旋区内气固流运动特性的微分方程出发,应用相似转换法导出相似准则,建立模拟回旋区内煤气及焦炭运动的冷态模型.冷态试验采用了大米、小米、绿豆等作为模型的填充料层;应用HG-100K高速摄像机记录了模型内回旋区的大小与颗粒运动轨迹;并详细分析了影响回旋区大小的主要因素.
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