NUMERICAL SIMULATION OF A TAYLOR BUBBLE IN A HEATED TUBE

被引：0
|
作者：
Alekseev, Maksim [1 ,2 ]
Lukyanov, Andrey [1 ,2 ]
Vozhakov, Ivan [1 ,2 ]
机构：
[1] Novosibirsk State Univ, Novosibirsk 630090, Russia
[2] Kutateladze Inst Thermophys, Novosibirsk 630090, Russia
来源：
INTERFACIAL PHENOMENA AND HEAT TRANSFER | 2023年 / 11卷 / 02期
基金：
俄罗斯科学基金会;
关键词：
Taylor bubble; heated tube; water viscosity; OpenFOAM; FLOW HYDRODYNAMICS; FORCED-CONVECTION; FLUID-FLOW; TEMPERATURE; VISCOSITY; CHANNEL; VOLUME; MODEL; WALL;
D O I：
暂无
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Numerical simulation of gas bubble in a heated capillary tube at a constant pressure drop has been carried out. A significant increase of flow velocity is shown when taking into account the dependence of water viscosity on temperature. At the same time, a significant change in temperature on the heated wall was revealed. Unstable motion of the gas bubble is found in the case of variable viscosity. The mechanism of heat transfer during the movement of the bubble in the heated part of the capillary tube is described. The local values of the Nusselt number and friction on the wall are calculated.
引用
收藏
页码：65 / 79
页数：15
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