This bachelor thesis deals with the comparison of drying modes mutually developed between them and their subsequent comparison with the standard. In the work, there is also theoretical analysis of humidity and temperature flow and numerical simulation process of drying wood created in a computer program COMSOL Multiphysics, which based on the finite element method. Assembled mathematical model of motion of bound moisture and temperature field in the wood is based on a set of two partial differential equations, and also on the respective boundary conditions III. regulations. Own model of the drying based on generally orthotropic material properties of wood in non-stationary diffusion of moisture and heat. It is therefore a transport model, which uses the gradient of humidity and temperature as the driving force and the material coefficients such as variables depending on the humidity, temperature, density and other essential parameters of the dried material. The main contribution of this work is the ability to improve optimization of selected drying modes with the possibility of application to the next.
| Identifer | oai:union.ndltd.org:nusl.cz/oai:invenio.nusl.cz:431150 |
| Date | January 2017 |
| Creators | Ryšávka, Filip |
| Source Sets | Czech ETDs |
| Language | Czech |
| Detected Language | English |
| Type | info:eu-repo/semantics/masterThesis |
| Rights | info:eu-repo/semantics/restrictedAccess |
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