WATER-MOVEMENT IN POROUS-MEDIA TOWARDS AN ICE FRONT

被引：34
|
作者：
BIERMANS, MBGM
DIJKEMA, KM
DEVRIES, DA
机构：
[1] Laboratory of Fluid Dynamics and Heat Transfer, Department of Technical Physics, Eindhoven University of Technology, Eindhoven
来源：
JOURNAL OF HYDROLOGY | 1978年 / 37卷 / 1-2期
关键词：
D O I：
10.1016/0022-1694(78)90102-6
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The influence of pressure on water flow towards an ice front, located above a glass filter, was investigated experimentally at temperatures in the range from 0 to -0.05°C. At constant temperature, pressures of the ice and the water were controlled independently. The former was kept at 1 atm., whilst the latter was lowered stepwise between 1 and 0.2 atm. At a given temperature equilibrium was observed at a pressure difference between ice and water that can be found from a Kelvin-type equation. At a smaller pressure difference water flowed towards the ice, while ice accretion and frost heaving occurred. At a larger pressure difference melting of the ice and water flow away from the ice front were observed. A simplified description is given of the phenomena occurring in the interfacial layer of water between the ice and the glass filter. © 1978.
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页码：137 / 148
页数：12
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