SLOT IRRADIATOR FOR BEAM CHAMBER OF MICROWAVE HEATING AND DRYING OF MATERIALS
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Abstract
The computer model-based calculation and parametric optimization of irradiators in a butt slot form with screen that are meant to work at the beam microwave heating and drying of materials chambers with operating frequencies of the domestic magnetrons at 2,45 and 2,465 GHz are carried out. The computer modeling of the microwave field distribution at the distance of the irradiator in condition of screen offset and finite sizes is carried out. The data for choosing of distances between adjacent irradiators at chambers with multilmagnetron excitation to reach tolerant uniform of microwave field distribution in a material are cited. Voltage standing-wave ratio (VSWR) of irradiator measurements results are represented, the estimation of irradiator heating by means of surface currents during its operating at the chamber is carried out. Thermal imaging photos of microwave heating of wet lumbers at the chamber during the radiation both by single irradiator and by two irradiators are represented.
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References
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