微波加热均匀性评价模型研究

发布时间：2018-06-01 14:38

本文选题：微波加热 + 均匀性　；参考：《仪器仪表学报》2014年09期

【摘要】：为研究微波加热中物料受热非均匀现象,分析了微波加热谐振腔内物料温度的分布特性,并建立基于最大熵和谱聚类算法的均匀性评价模型(SEU模型)。谐振腔模型长度为446 mm,宽度为400 mm,高度为297 mm。仿真实验分析得到:SEU模型指标越小表征物料受热的均匀性越好;腔体温度值分布在305~320 K范围时,物料温度分布均匀性较好;当改变外部因素(如物料位置),质心坐标为(312.2,100)时,总评价指标(JSEU=0.035 82)最小,此时物料受热均匀性最好,物料位置局部最优。最后,通过微波加热实验数据验证了SEU模型的有效性以及局部最优加热位置的正确性。
[Abstract]:In order to study the non uniformity of material heating in microwave heating, the distribution characteristics of material temperature in the resonant cavity of microwave heating are analyzed, and the uniformity evaluation model based on the maximum entropy and spectral clustering algorithm (SEU model) is established. The length of the resonator model is 446 mm, the width is 400 mm, and the height is 297 mm. simulation experiments. The more the SEU model index is The better the heat uniformity of the small characterization material is, the better the distribution of material temperature is better when the temperature of the cavity is distributed in the range of 305~320 K. When the external factors (such as material position) are changed (such as material position) and the center of mass is (312.2100), the total evaluation index (JSEU=0.035 82) is minimum. At this time, the heat uniformity of the material is best and the position of the material is best. Finally, through micro The experimental data of wave heating verify the validity of the SEU model and the optimal location of local heating.
【作者单位】：重庆大学自动化学院;
【基金】：国家973计划(2013CB328903)资助项目
【分类号】：TM924.76

【相似文献】