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首页> 外文期刊>International journal of RF and microwave computer-aided engineering >Abnormal absorption of subcritical water posts in microwave heating
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Abnormal absorption of subcritical water posts in microwave heating

机译：微波加热中亚临界水柱异常吸收

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摘要

Subcritical water has been widely used as the solvent in microwave-assisted extractions, but the interaction between microwaves and subcritical water has been not yet fully understood. In this article, we find that there exists abnormal absorption of subcritical water posts in microwave heating at some temperatures with low loss factors. By calculating the absorbed power of a subcritical water post under exposure plane waves, the water post can still absorb microwave energies well at some temperatures even with low loss factors. It is different from the traditional view that materials can absorb little microwave power with low loss factors. By analyzing the characteristic equation, we show that the abnormal absorption is caused by dielectric resonance. This abnormal phenomenon can also be observed in applications with microwave cavities. It indicates that even with low loss factors, materials can be possibly heated by microwaves with good efficiency.
机译：亚临界水已广泛用作微波辅助提取中的溶剂，但微波与亚临界水之间的相互作用尚未完全理解。在本文中，我们发现在一些温度下的微波加热中存在异常的亚临界水柱的异常吸收。通过计算曝光平面波下亚临界水柱的吸收力，即使具有低损耗因子，水柱仍然可以在一些温度下吸收微波能量。与传统观点不同，材料可以吸收低损耗因素的微波功率。通过分析特征方程，我们表明异常吸收是由介电共振引起的。在微波腔的应用中也可以观察到这种异常现象。它表明即使具有低损耗因素，也可以通过微波炉加热材料，效率良好。

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