| Key Words |
Modeling; logs; freezing; free water; bound water;total icing degree. |
| Abstract |
An approach and an algorithm for computing the three types of icing degrees of logs during their freezing have been suggested. The approach and the algorithm are based on the use of numerical solutions of own 2D non-linear mathematical model of the logs’ freezing process at convective boundary conditions. For the solution and verification of the model and for the calculation of the logs’ icing degrees according to the suggested approach and algorithm, a software program has been prepared in Visual FORTRAN Professional. With the help of the program calculations have been carried out for the determination of the icing degrees of pine logs during their 30 h freezing at approximately –30 °C. The information about the logs’ icing degrees is needed for the computation of the duration and energy consumption of the thermal treatment process of frozen logs aimed at their plasticizing in the production of rotary cutting veneer. |
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