Validation of Two-Fluid Eulerian CFD Modeling for Microbubble Drag Reduction Across a Wide Range of Reynolds Numbers
Validation of Two-Fluid Eulerian CFD Modeling for Microbubble Drag Reduction Across a Wide Range of Reynolds Numbers
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DOI：
10.1115/1.2375124
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发表时间：
2007
影响因子：
2
通讯作者：
R. Kunz;H. Gibeling;M. Maxey;G. Tryggvason;A. Fontaine;H. Petrie;S. Ceccio
中科院分区：
文献类型：
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作者：
R. Kunz;H. Gibeling;M. Maxey;G. Tryggvason;A. Fontaine;H. Petrie;S. Ceccio
建立了微泡减阻流动的欧拉双流体计算流体动力学模型。本文重点介绍了最近在雷诺数谱上对MBDR流动的验证研究。研究了直接数值模拟和两组平板边界层实验测量。本文首先介绍了界面动力学和其他使用的模型，然后与验证案例进行了详细的比较。重点放在捕获测量体积分数、气泡大小、气泡速度分布以及表面摩擦阻力减少所需的建模策略上。
An Eulerian two-fluid computational fluid dynamics model has been developed for flows with microbubble drag reduction (MBDR). This paper focuses on recent validation studies for MBDR flows across a spectrum of Reynolds numbers. Direct numerical simulations and two sets of experimental flat plate boundary layer measurements are studied. In this paper the interfacial dynamics and other models used are first presented, followed by detailed comparisons with the validation cases. Emphasis is placed on the modeling strategies required to capture measured volume fraction, bubble size, and bubble velocity distributions, as well as skin friction drag reduction.