【摘要】 根据抛物线的几何性质,设计了一种抛物线型腔体的微波加热器,提出基于商业电子设计自动化(EDA)软件对模型进行仿真的模拟,电磁场理论及有限元方法得出腔体内部电磁场分布,通过对结果的分析,寻求谐振腔的最优结构。通过对结构的优化,使电磁场的分布集中在吸波物质附近,且其他区域电磁场分布较为均匀,达到提高微波使用率的功效。更多还原

【Abstract】 According to the geometrical properties of paraboloid,a microwave heater with a parabolic reflection surface was designed and simulated by using an EDA software.Based on electromagnetic field theory,the finite element method was adopted to calculate the distribution of electromagnetic field numerically and investigate the influences of main factors in the microwave heater.through the analysis of the results.To build simulation model of microwave resonant cavity by optimizing the structure,the electromagnetic field is most dense in the vicinity of the the wave absorbing materials and relatively uniform in the other region,and therefore,the efficiency of the microwave energy is improved effectively.更多还原