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MODELING THE PROCESS OF ABSORPTION AND DESORPTION OF WATER IN A SHEET BEYOND THE FIBER SATURATION POINT BY CONSIDERING A 2-DIMENSIONAL TRANSFER

被引：8
作者：
ELKOUALI, M
BOUZON, J
VERGNAUD, JM
机构：
[1] Laboratory of Materials and Chemical Engineering, University of St. Etienne, F-42100 Saint-Etienne, 23, rue Dr. P. Michelon
来源：
HOLZFORSCHUNG | 1992年 / 46卷 / 03期
关键词：
WATER ABSORPTION DRYING OF WOOD; MOISTURE CONTENT BEYOND FSP; MODELING THE PROCESS; 2-DIMENSIONAL TRANSFER; SCOTS PINE SAPWOOD; PINUS-SYLVESTRIS;
D O I：
10.1515/hfsg.1992.46.3.187
中图分类号：
S7 [林业];
学科分类号：
0829 ; 0907 ;
摘要：
The process of absorption of water within a cross-section of a sheet of Scots pine sapwood, and the following step of desorption, are studied, when the moisture content is beyond the fiber saturation point. A two dimensional transfer through this cross-section is considered with the two principal diffusions: longitudinal and radial. A numerical model with finite differences is able to describe the process, by calculating the kinetics of transfer as well as the profiles of moisture content developed through the wood section.
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页码：187 / 192
页数：6
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