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Mathematical modeling of drying of Masson pine lumber and its asymmetrical moisture content profile by Jie Zhang; Ping Miao; Di Zhong; Lin Liu is a Engineering article available to read on EtoBox.
What is Mathematical modeling of drying of Masson pine lumber and its asymmetrical moisture content profile about?
## Abstract A mathematical model is discussed in terms of moisture transfer during the drying process of Masson pine (__Pinus massoniana__) lumber in industrial practice. The model was validated by comparing the simulated result of moisture distribution with experimental data. In the model, the wood drying process was divided into two phases. The first one dealt with processes above fiber saturation point (FSP), that was driven by capillary flux of free water and conductive flux of vapor, and the second one dealt with those of below FSP, which was driven by diffusive flux of bound water and vapor. Moisture content distribution (MC~D~) inside wood is simulated by solving a parabolic partial differential equation under Dirichlet boundary conditions. The moisture content profile (MC~P~) was asymmetrical in experiments, and the simulation result agreed well with the experiments. An easy empirical formulation was also proposed to calculate real wood permeability, as it showed general characteristics of liquid and vapor permeability. This permeability model is verified as the cause of asymmetrical MC~P~ in this paper.
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It is typically read by researchers, students, and practitioners in Engineering.
- Author
- Jie Zhang; Ping Miao; Di Zhong; Lin Liu
- Publisher
- Walter de Gruyter GmbH
- Published
- 2013
- Language
- EN
- Field
- Engineering (Physical Sciences)