THE CLASSICAL NUCLEATION THEORY AND MODELING OF CAVITATION PROCESSES

被引:0
|
作者
Nemec, Tomas [1 ]
机构
[1] Inst Thermomech AS CR, VVI, Prague 18200 8, Czech Republic
来源
EXPERIMENTAL FLUID MECHANICS 2009, PROCEEDINGS OF THE INTERNATIONAL CONFERENCE | 2009年
关键词
BINARY HOMOGENEOUS NUCLEATION; BUBBLE NUCLEATION; WATER; VAPOR;
D O I
暂无
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
The description of the nucleation of bubbles and their growth in cavitation processes suitable for computational fluid dynamics (CFD) simulations is investigated. The number of newly created bubbles and their sizes are treated empirically in most of the numerical codes. We show that the Classical Nucleation Theory (CNT) can be used to calculate the nucleation probabilities in water. Also a simple model of the growth of the nucleated bubbles is described. The CNT predictions of the nucleation rate show promising results and together with the bubble growth model can be used to enhance the precision of CFD modeling of cavitating flows.
引用
收藏
页码:236 / 246
页数:11
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