Apparatus for measuring the growth velocity of dendritic ice in undercooled water

被引：45
|
作者：
Ohsaka, K [1 ]
Trinh, EH [1 ]
机构：
[1] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA
来源：
JOURNAL OF CRYSTAL GROWTH | 1998年 / 194卷 / 01期
关键词：
dynamic nucleation; dendritic ice; growth velocity; undercooling; interface kinetics;
D O I：
10.1016/S0022-0248(98)00661-7
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
A unique apparatus for measuring the dendritic growth velocity of ice crystals in undercooled water is described and a preliminary result at undercooling levels between 5 and 8.5 K is presented. The result appears to show a significant deviation from the theoretical prediction based on the thermal diffusion model possibly due to sluggish interface kinetics which start playing a role in dendritic growth at these undercooling levels. Discussion includes necessary modifications of the diagnostic technique in order to eliminate uncertainties in the preliminary data and improve the accuracy in future measurements. (C) 1998 Published by Elsevier Science B.V. All rights reserved.
引用
收藏
页码：138 / 142
页数：5
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