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Water Vapor Adsorption in Kiln-Dried Red Oak

Minghui Zhang, Rado Gazo, Daniel Cassens, Jun Xie


The moisture content of dried lumber fluctuates over time with temperature and relative humidity changes. While many studies have been conducted to investigate sorption equilibria, the overall sorption rate in wood from three directions at the same time has not been studied sufficiently. In this paper, the adsorption of moisture by small kiln-dried red oak samples over time at room temperature (21.1°C) and high relative humidity (80%) is studied. Also, a model is developed to predict the amount of water vapor adsorption over time for three dimensional kiln-dried red oak samples.


Adsorption;model;red oak

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