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首页> 外文期刊>Journal of Heat Transfer >Numerical Studies on Microwave Heating of Thermoplastic-Ceramic Composites Supported on Ceramic Plates
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Numerical Studies on Microwave Heating of Thermoplastic-Ceramic Composites Supported on Ceramic Plates

机译：陶瓷板上负载的热塑性陶瓷复合材料微波加热的数值研究

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摘要

A detailed theoretical analysis has been carried out to study efficient microwave assisted heating of thermoplastic (Nylon 66) slabs via polymer-ceramic-polymer composite attached with ceramic plate at one side. The ceramic layer or plate is chosen as A1_2O_3 or SiC. The detailed spatial distributions of power and temperature are obtained via finite element simulation. It is found that uniform heating with enhanced processing rate may-occur with specific thickness of Al_2O_3 composite, whereas SiC composite leads to enhanced processing rate with higher thermal runaway for thick Nylon samples attached with A1_2O_3 plate. SiC composite is effective due to enhanced processing rate, whereas Al_2O_3 is not effective due to reduced processing rate for thin samples attached with Al_2O_3 plate. For samples attached with SiC plate, thermal runaway is reduced by SiC composite, whereas that is not reduced by Alumina composite. Current study recommends efficient heating methodologies for thermoplastic substances with ceramic composite to achieve a higher processing rate with uniform temperature distribution.
机译：已经进行了详细的理论分析，以研究通过在一侧附着有陶瓷板的聚合物-陶瓷-聚合物复合材料有效地微波辅助加热热塑性（尼龙66）平板。陶瓷层或陶瓷板选择为Al_2O_3或SiC。功率和温度的详细空间分布是通过有限元模拟获得的。研究发现，特定厚度的Al_2O_3复合材料可能会发生均匀加热，从而提高处理速率，而SiC复合材料则导致附着速率较高的处理速率增加，而厚的尼龙样品会附着在Al_2O_3板上。 SiC复合材料由于提高了处理速度而有效，而Al_2O_3由于降低了附着在Al_2O_3板上的薄样品的处理速度而没有效果。对于附有SiC板的样品，SiC复合材料可减少热失控，而氧化铝复合材料则不会减少。当前的研究建议对具有陶瓷复合材料的热塑性物质采用有效的加热方法，以实现更高的加工速度和均匀的温度分布。

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