Experimental analysis of microwave heating of dielectric materials using a rectangular wave guide (MODE: TE₁₀) (Case study: Water layer and saturated porous medium)

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• 作者：Waraporn Cha-um ; Phadungsak Rattanadecho ; Watit Pakdee
• 关键词：Microwave heating ; Rectangular wave guide ; Porous medium
• 刊名：Experimental Thermal and Fluid Science
• 出版年：2009
• 出版时间：March 2009
• 年：2009
• 卷：33
• 期：3
• 页码：472-481
• 全文大小：1305 K

文摘

The heating process of dielectric materials by microwave with rectangular wave guide has been investigated experimentally. This experiment is operated in the TE₁₀-dominated mode at a frequency of 2.45 GHz. It was performed for two dielectric materials, water layer and saturated porous medium. In this work, the microwave powers level, a type of dielectric materials, dimensions and positions of dielectric material on the microwave power absorb and average temperature within dielectric materials were examined in details. The results show that the locations of sample have greater effects than the other parameters. The analyses from this research serve as essential fundamentals to development of mathematic models of heat and mass transfer phenomena.