Modelling of annular flow and sand erosion in bends using a thin liquid film method

被引：1
|
作者：
Zhang, Ri [1 ]
Zhang, Shasha [1 ]
Ding, Mengyan [1 ]
机构：
[1] Ocean Univ China, Coll Engn, Qingdao 266100, Peoples R China
来源：
POWDER TECHNOLOGY | 2024年 / 432卷
基金：
中国国家自然科学基金;
关键词：
Thin liquid film method; Annular flow; Sand erosion; Bend; SOLID PARTICLE EROSION; 2-PHASE FLOW; NUMERICAL-SIMULATION; CFD SIMULATION; ENTRAINMENT; PREDICTION; PIPES; ATOMIZATION; THICKNESS; DRYOUT;
D O I：
10.1016/j.powtec.2023.119111
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Sand erosion in annular flow is a significant concern in offshore oil and gas industry. A thin liquid film method is proposed to construct annular flow and evaluate sand erosion in bends. The method analyses the liquid film and gas core separately. The direct interaction between the liquid film and gas core is studied based on the equivalent roughness of the liquid film, and the indirect interaction is presented through the entrainment and deposition of droplets. A new relation of the entrainment rate is proposed to describe the microscopic process of droplet entrainment. Sand erosion is calculated using the thin liquid film method, which considers the effects of the liquid entrainment and velocity decay of the particles passing through the liquid film. The thin liquid film method is fully verified by comparing with experimental data.
引用
收藏
页数：17
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