在水平长环道上实验研究了段塞流型运动液塞的气泡分布特征,采用单头和双头电导探针测量弥散气泡界面.提出了一种液塞轴向分段的方法实现对双头电导探针测量气泡信号的处理,从而得到局部平均含气率、气泡频率、气泡速度等参数在液塞轴向与径向的分布规律.实验发现在运动液塞头部区域,含气率和频率径向分布存在峰值,表明液塞头部存在湍流剪切层.随着气体折算速度的增大,剪切层的湍流强度变大.随着进入液塞距离的增大,气泡速度分布逐渐达到充分发展.
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