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多孔介质期刊
影响因子: 1.49 5年影响因子: 1.159 SJR: 0.43 SNIP: 0.671 CiteScore™: 1.58

ISSN 打印: 1091-028X
ISSN 在线: 1934-0508

多孔介质期刊

DOI: 10.1615/JPorMedia.v5.i4.40
11 pages

Measurement of Diffusivity of Water in Corc

S. K. Saiful Islam
Department of Mechanical Engineering, National University of Singapore, 10 Kent Ridge Crescent, Singapore 119260
Nihal E. Wijeysundera
Department of Mechanical Engineering, National University of Singapore, 10 Kent Ridge Crescent, Singapore 119260
S. K. Chou
Department of Mechanical Engineering, National University of Singapore, 10 Kent Ridge Crescent, Singapore 119260

ABSTRACT

The diffusivity of water in cork samples from a commercial corkboard was measured using three experimental techniques. These are the liquid intake method, electrical resistive method and the full-immersion method. The cork samples for the different tests were taken from the same corkboard. The diffusivity estimated from the electrical resistive method and the full-immersion method showed good agreement. Although the moisture concentration-dependent diffusivity obtained from the liquid intake method showed some fluctuations, the general trend is an increase of the diffusivity with concentration.


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