Abstract
On the basis of the system of equations Century A. Lykov developed a spatial two-dimensional mathematical model of electromagnetic drying. The model takes into account non-linear heat and mass transfer surface material with an air stream, and the presence of internal and surface sources of heat generated due to absorption of the energy of electromagnetic waves with different penetration depth. In the framework of the alternating direction method developed original numerical scheme for solution of initial-boundary value problem for the fields of temperature and moisture content in the area of a rectangular form. The results of approximate ratio between grid coordinates and time, which ensures the stability of the numerical procedure and can be taken as a starting at the organization of calculations. To illustrate the capabilities of the algorithm is studied edge effects due to the drying of the material with the characteristics of the clay. It is shown that in the field of an electromagnetic wave of constant intensity drying speed in the corner zones of the sample is much higher than the average in his section rate, which leads to an unacceptably low quality of drying. The results allow to optimize the functioning of technical devices that use the drying process of the electromagnetic waves.
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