Research Article
Nonequilibrium Thermal Dynamic Modeling of Porous Medium Vacuum Drying Process
Table 1
Parameters used in the simulation process.
| Parameter | Symbol | Value | Unit |
| Rate constant parameter | | 1, 10, 1000, 10000 | s−1 | Intrinsic permeability | | 10−13, 10−14, 10−15 | m2 | Initial water saturation | | 0.6, 0.5, 0.4 | | Initial moisture (dry base) | | 2.01, 1.68, 1.34 | | Vapor pressure of vacuum drying chamber | | 1000, 5000, 9000 | Pa | Heat temperature | | 323, 333, 343 | K | Porosity | | 0.615 | | Solid density | | 476 | kg m−3 | Air pressure of vacuum drying chamber | | 0.001 | Pa | Heat exchange coefficient | | 2.5 | W m−2 K−1 | Air temperature of vacuum drying chamber | | 293 | K |
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