Entrained film of ice-water slurry with impinging supercooled water droplets

被引：0

作者：

Feuillebois F. ^{[1
]}

Tabakova S. ^{[2
]}

Radev S. ^{[2
]}

Daru V. ^{[1
]}

机构：

[1] LIMSI-CNRS UPR 3251, 91403 Orsay Cedex

[2] Department of Fluid Mechanics, Institute of Mechanics, 1113 Sofia, BAS Acad. G. Bonchev Str.

来源：

Journal of Engineering Physics and Thermophysics | 2014年 / 87卷 / 01期

关键词：

freezing; ice-water slurry; impact; liquid film; supercooled water droplets;

D O I：

10.1007/s10891-014-0984-6

中图分类号：

学科分类号：

摘要：

Hitting cold surfaces, such as aircraft ones, supercooled water droplets may freeze immediately. However, glaze ice may also be formed under some conditions: a part of the droplets may freeze, while the rest remains liquid, flowing on the substrate as a film. This paper proposes a model of a film created by the impact of supercooled droplets on a cylindrical obstacle. The film is a mixture of water and frazil ice, viz. a slurry. The film thickness and volume fraction of ice in the water are expressed by simple analytical formulas obtained from the mass and enthalpy balance laws in the presence of different phenomena responsible for film cooling. The results are compared with the data of existing experiments. © 2014 Springer Science+Business Media New York.

引用

页码：54 / 68

页数：14

共 23 条

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