在海洋油气集输-上升管路系统模拟实验装置上研究了严重段塞流的液塞运动特征.实验结果表明,液塞首先以较低速度流出上升管,该速度约等于管道入口气液混合速度;然后液塞以较高速度流出,速度值主要受管路系统的结构尺寸及物性影响,该阶段的液塞长度不超过上升管高度.本文还分析了液塞长度、各阶段速度与入口气液流量的关系,给出了拟合关联式.
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