Effect of dispersed phase fraction on the drag coefficient of a droplet or a bubble in an idealized two-phase flow

Beguin C.; Etienne S.; Pettigrew M. J.

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Effect of dispersed phase fraction on the drag coefficient of a droplet or a bubble in an idealized two-phase flow

机译：分散相分数对理想化两相流液滴中液滴拖曳系数的影响

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In the present work, the drag force on a fluid sphere surrounded by a second is determined. This information is essential to characterize dispersed flows. Most of two-phase flow models are empirically obtained from experiments involving isolated bubbles or droplets. Their applicability to flows with a high number of bubbles or droplets is questionable. Moreover, correlations that take into account the effect of local dispersed phase fraction, the ratio of occupied volume by the dispersed phase, are sparse.

机译：在本作工作中，确定由第二秒包围的流体球体上的拖动力。此信息对于特征流动是必不可少的。大多数两相流模型是从涉及孤立的气泡或液滴的实验获得的。他们用大量气泡或液滴流动的适用性是值得怀疑的。此外，考虑局部分散相分数，分散相占占体积比的相关性的相关性稀疏。

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《European Journal of Mechanics, B. Fluids》 |2017年第2017期|共11页
作者
Beguin C.; Etienne S.; Pettigrew M. J.;
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作者单位

Ecole Polytech Dept Mech Engn BWC AECL NSERC Chair Fluid Struct Interact POB 6079 Succ Ctr Ville Montreal PQ H3C 3A7 Canada;

Ecole Polytech Dept Mech Engn BWC AECL NSERC Chair Fluid Struct Interact POB 6079 Succ Ctr Ville Montreal PQ H3C 3A7 Canada;

Ecole Polytech Dept Mech Engn BWC AECL NSERC Chair Fluid Struct Interact POB 6079 Succ Ctr Ville Montreal PQ H3C 3A7 Canada;

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原文格式 PDF
正文语种 eng
中图分类理论力学（一般力学）;
关键词
Bubble drag; Droplet drag; Bubbly flow; Void fraction;

机译：泡沫拖动;液滴拖动;起泡流动;空隙分数;

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专利

1. Effect of dispersed phase fraction on the drag coefficient of a droplet or a bubble in an idealized two-phase flow [J] . Beguin C., Etienne S., Pettigrew M. J. European Journal of Mechanics, B. Fluids . 2017,第期

机译：分散相分数对理想化两相流液滴中液滴拖曳系数的影响
2. DRAG COEFFICIENT AND VELOCITY OF RISE OF A SINGLE COLLAPSING TWO-PHASE BUBBLE [J] . Wanchoo RK., Raina GK., Sharma SK. AIChE Journal . 1997,第8期

机译：单相捕集两相气泡的上升系数和速度
3. A novel drag force coefficient model for gas-water two-phase flows under different flow patterns [J] . Shang Zhi Nuclear Engineering and Design . 2015,第jula期

机译：不同流态下气水两相流新型阻力系数模型
4. DRAG COEFFICIENT AND TWO-PHASE FRICTION MULTIPLIER ON TUBE BUNDLES SUBJECTED TO TWO-PHASE CROSS-FLOW [C] . W. G. Sim, Njuki W. Mureithi ASME Pressure Vessels and Piping Division/K-PVP conference;PVP2010 . 2011

机译：两相流对管束的拖曳系数和两相摩擦系数
5. A STUDY OF NONEQUILIBRIUM DISPERSED TWO-PHASE FLOW (NUCLEAR REACTORS, VAPORIZATION NUMBER, SPRAY EQUATION, DROPLET DISTRIBUTION). [D] . REYES, JOSE N., JR. 1986

机译：非平衡分散两相流的研究（核反应堆，汽化数，喷雾方程，液滴分布）。
6. Research on the Conductivity-Based Detection Principles of Bubbles in Two-Phase Flows and the Design of a Bubble Sensor for CBM Wells [O] . Chuan Wu, Guojun Wen, Lei Han, 2016

机译：基于电导率的两相流气泡检测原理研究及煤层气井气泡传感器的设计
7. A diffuse interface approach for disperse two-phase flows involving dual-scale kinematics of droplet deformation based on geometrical variables [O] . Pierre Cordesse, Ruben Di Battista, Quentin Chevalier, 2020

机译：一种涉及基于几何变量的分散两相流量的分散两相流量的漫反射界面方法
8. Calculation of Two-Phase Dispersed Droplet-in-Vapor Flows Including Normal Shock Waves [R] . Comfort, W. J., Alger, T. W., Giedt, W. H., 1976

机译：包含正常冲击波的两相分散蒸汽流的计算

Effect of dispersed phase fraction on the drag coefficient of a droplet or a bubble in an idealized two-phase flow

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