Simulation of non-Newtonian oil-water core annular flow through return bends

被引：0
|
作者：
Fan Jiang
Ke Wang
Martin Skote
Teck Neng Wong
Fei Duan
机构：
[1] Nanyang Technological University,School of Mechanical and Aerospace Engineering
来源：
Heat and Mass Transfer | 2018年 / 54卷
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摘要：
The volume of fluid (VOF) model is used together with the continuum surface force (CSF) model to numerically simulate the non-Newtonian oil-water core annular flow across return bends. A comprehensive study is conducted to generate the profiles of pressure, velocity, volume fraction and wall shear stress for different oil properties, flow directions, and bend geometries. It is revealed that the oil core may adhere to the bend wall under certain operating conditions. Through the analysis of the total pressure gradient and fouling angle, suitable bend geometric parameters are identified for avoiding the risk of fouling.
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页码：37 / 48
页数：11
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