Abstract
Building materials processing with the help of HF waves demonstrates a great number of perspective advantages as compared to traditional heating methods. In order to upgrade the technology of HF wave heating there exist a need to optimize the HF waves sources that enable us to consider some characteristic features of the process to a greater extend. To solve the task of optimizing a HF wave energy source we use the methods of the optimal control theory. The optimization has been carried out based on the gradient method. As a result we have found some optimal functional dependencies that describe the laws strength change of an electrostatic and a high-frequency field. Established managements help considerably enhance the efficiency of the energy exchange. The calculations we have carried out show that the chosen method enables an efficient optimization of a HF wave energy source with different restrictions of the governing function.
Highlights
Using the energy of HF electromagnetic field for the purpose of thermal treatment of dielectric materials enables intensive, wasteless, energy-saving and ecologically clean technologies [1,2]
The development of microwave technologies foresees the production of new high-strength construction and building materials made of fiberglass reinforced plastic, composites and polymers
While studying modern HF wave technologies for thermal treatment of building materials great attention is being paid to the search for new technical solutions that allow some given temperature distribution within the whole volume of the material in work [3,4]. This task is important for the thermal treatment of considerably thick materials (3-6 wave lengths of the HF wave energy source) that have a low coefficient of thermal conductivity
Summary
Using the energy of HF (high-frequency) electromagnetic field for the purpose of thermal treatment of dielectric materials enables intensive, wasteless, energy-saving and ecologically clean technologies [1,2]. While studying modern HF wave technologies for thermal treatment of building materials great attention is being paid to the search for new technical solutions that allow some given temperature distribution within the whole volume of the material in work [3,4]. This task is important for the thermal treatment of considerably thick materials (3-6 wave lengths of the HF wave energy source) that have a low coefficient of thermal conductivity. The development of new HF wave devices that enable the given temperature distribution in the volume of the material in work as well as the optimization of existing HF wave energy sources is a task of current importance in the field of building materials production
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