FROST HEAVE IN HELIUM AND OTHER SUBSTANCES

被引：12
作者：
DASH, JG
机构：
[1] Department of Physics, University of Washington, Seattle, 98195, Washington
来源：
JOURNAL OF LOW TEMPERATURE PHYSICS | 1992年 / 89卷 / 1-2期
关键词：
D O I：
10.1007/BF00692600
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A thermomolecular pressure associated with a thermal gradient produces the phenomenon known as 'frost heave' in moisture-containing frozen ground. Thermomolecular pressures can occur in any material. The basic requirement is a perturbed region of phase equilibrium extending to temperatures below the bulk phase boundary. such as the liquid film at an interface undergoing surface melting. Two materials that have exhibited thermomolecular pressure effects to date are ice in various porous media and He-4 in Vycor glass. Thermomolecular pressures and their dynamical effects offer a unique way of studying quantum and classical liquids at interfaces.
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页码：277 / 285
页数：9
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