Numerical Analysis of Frazil Ice Formation in Turbulent Convection

被引：1
|
作者：
Abba, A. [1 ]
Olla, P. [2 ,3 ]
Valdettaro, L. [4 ]
机构：
[1] Politecn Milan, Dip Sci & Tecnol Aerosp, Milan, Italy
[2] ISAC CNR, Monserrato, Italy
[3] Ist Nazl Fis Nucl, Sez Cagliari, Monserrato, Italy
[4] Politecn Milan, Dip Matemat, MOX, Milan, Italy
来源：
PROGRESS IN TURBULENCE VI | 2016年 / 165卷
关键词：
D O I：
10.1007/978-3-319-29130-7_52
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We study the first steps of ice formation in freshwater turbulent convection (frazil ice regime). We explore the sensitivity of the ice formation process to the set of non-dimensional parameters governing the system. We model the mixture of ice crystals and water as a two-phase medium composed of water and ice particles of fixed diameter. We use the Boussinesq approximation and we integrate numerically the set of equations making use of a numerical code based on second order finite difference. A dynamic LES model for the subgrid scales is used.
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页码：299 / 303
页数：5
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