Scaling effect of breakthrough character in porous media
Scaling effect of breakthrough character in porous media
复制标题
多孔介质突破特性的尺度效应
DOI:
10.1007/bf02900443
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发表时间:
2001-05
期刊:
影响因子:
--
通讯作者:
Wang BX
中科院分区:
文献类型:
--
作者:
Hu XJ;Du JH;Liu X;Wang BX
Breakthrough phenomenon during fluids percolating through wet saturated porous layer is widely met in the study of heat and mass transfer in porous media. Breakthrough pressure (BP) is a characteristic pressure that indicates the intrinsic properties of seepage within porous media. Measuring results of BP for saturated narrow-sieved sand are reported here. The curve of BP varying with the height of porous layer was obtained. Experiment and analysis indicate that BP is independent of the height of particle packed layer if thick enough; however, when the height is less than a certain critical value, BP diminishes with the decrease of the height according to a universal scaling law.
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