Performance Study of Egg Tray Microwave Absorber
Keywords:Absorbing Materials, Biomass Material, Egg Tray Microwave Absorber, Reflectivity,
AbstractThis paper proposes the physical models of a threelayer egg tray microwave absorber that contains biomass material as the design. The absorbing materials were prepared in three layers: carbon, palm ash and a mixture of coconut shell granular with carbon. To verify the performance of the absorber, it was modeled and measured by free space arch reflectivity measurement to determine the absorption level in a frequency range of 8 GHz to 12 GHz. The absorption level resulting from this investigation were then analyzed and discussed. The investigation shows that palm ash granular with carbon can increase the absorption level performance. Thus, the material has the potential to be used in electromagnetic absorption.
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