气泡的生成和运动是影响工业设备安全运行及其能源传递效率的重要因素。基于界面追踪法(Front-tracking Method)研究气泡在受限通道内的运移特性,通过改变障碍物数量、尺寸及布置方式,获得通道结构对流场及气泡运动的影响规律。研究表明:减少障碍物数量,对称式布置时气泡峰值速度降低5%,交错式布置时气泡峰值速度增大193%。增大障碍物尺寸,流场所受扰动逐渐增强,气泡轨迹摆动幅度增大；障碍物对称式布置时,中等尺寸下气泡轨迹摆动最明显。双气泡前后布置时,上游气泡对流场的扰动会阻碍下游气泡前进；双气泡前后布置时,气泡的峰值速度比并排布置时增大22.6%。研究结论仅针对所计算的物理模型而言，并非通用结论。研究结果可为矩形微通道中气液两相流动特性的研究提供参考。

The formation and movement of bubbles greatly affects the safe operation of industrial equipment and its energy transfer efficiency. We studied the passage of bubbles passing through confined channels based on Front-tracking Method. The effect of channel structure on the flow and bubble motion was investigated by changing the quantity, size, and arrangement of the obstructions. The results showed that, decreasing the number of obstructions, the peak velocity of the bubble decreased by 5% in the case of symmetric layout, and increased by 193% in the case of staggered layout. Increasing the size of obstructions, the flow became more disturbed, and the oscillation amplitude of the bubble trajectory increased; the bubble of medium size oscillated the most for symmetric layout. As for two bubbles(front-behind layout), disturbance caused by the upstream bubble hindered the downstream bubble; the peak velocity in front-behind layout increased by 22.6% compared to that in the side-by-side layout. The conclusions of the study are only for the calculated physical model and are not generalized. The results of the study can provide a reference for the study of gas-liquid two-phase flow characteristics in rectangular microchannels.