Research on Electromagnetic Sensitivity Properties of Sodium Chloride during Microwave Heating
Source abstract
Abstract
Abstract The multimode resonant cavity is the most common cavity. The material often shows on selective heating performance during the heating process due to the effect of microwave heating having a closely relationship with the electromagnetism parameters. This paper is based on finite difference time domain method (FDTD) to establish the electromagnetic-thermal model. The electromagnetic sensitivity property parameters of sodium chloride including relative dielectric constant, loss angle tangent and water content of sodium chloride is studied during the heating and drying process. The heating rate and the electric field distribution of sodium chloride, at the different water content, were simulated with the electromagnetic characteristic parameters changing. The results show that with the electromagnetic sensitivity property parameters varying, the electric field strength, heating rate and steady-state temperature of the heating material will all have a variety in the cavity. Some measures are proposed to improve the heating efficiency and ensure the stability of the microwave heating system in the industrial application.
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Research context
OpenAlex topics: Microwave-Assisted Synthesis and Applications · Induction Heating and Inverter Technology · Microwave and Dielectric Measurement Techniques
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Faculty of Science, Kunming University of Science and Technology , Kunming , 650500 , China
Key Laboratory of Unconventional Metallurgy, Ministry of Education, Kunming University of Science and Technology , Kunming , 650093 , China
References (25)
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