水平管液塞长度与频率的跟踪模型预测  

PREDICTION OF LIQUID SLUG LENGTH AND FREQUENCY ALONG A HORIZONTAL PIPELINE USING SLUG TRACKING MODEL

作　　者：王鑫[1,2] 何利民[1] 郭烈锦[2] 

机构地区：[1]中国石油大学(华东)储运与建筑工程学院,山东青岛266555 [2]西安交通大学,陕西西安710049

出　　处：《工程热物理学报》2010年第3期435-438,共4页Journal of Engineering Thermophysics

基　　金：国家自然科学基金资助项目(No.50806083)

摘　　要：采用电导探针在133 m长水平管道上对空气-水段塞流的液塞参数演化特征进行了实验研究,得到了液塞长度、频率统计分布沿管道的变化规律。实验观察到最小稳定液塞长度大约为15D,提出了新的长气泡尾流效应关联式。采用改进的跟踪模型研究了液塞长度等参数沿管演化过程,模型中采用了提出的尾流效应关联式,管道入口液塞长度随机变化。验证表明,模型较好预测出平均液塞长度、最大液塞长度、平均液塞频率等参数。Experiments were performed in a 133 m long horizontal test loop to study the evolution of liquid slug parameters. The statistical distributions of slug lengths and frequencies were measured by conductivity probes. The results show that the minimum stable liquid slug length is about 15D and a new correlation of wake effect of elongated bubble was presented. A slug tracking model was adapted to study the evolution of the liquid slug lengths and frequencies. In the present model, the new correlation of wake effect was taken into account and random slug lengths are introduced at the entrance. The results of the model were verified by the experimentally determined average slug length, maximum slug length and average slug frequency. The comparison shows that the measured parameters are predicted well by the model.

关 键 词：段塞流 液塞长度 液塞频率 尾流效应 段塞跟踪 

分 类 号：O359[理学—流体力学]