Numerical analysis of optimized flower-shaped metamaterial thermal concentrator application as a heat concentrator in thermal to electrical energy conversion using the thermoelectric device

Abstract

Abstract Nowadays, the research about the harvesting of renewable energy sources is more interesting on being able to do the conversion and conservation of thermal energy source, which is very abundant in our environment especially in form of waste heat. The abundance of waste heat energy in our daily life is needed to be converted to become something useful like electrical energy. The research about a material called metamaterial in the form of thermal concentrator has shown the capacity for focusing heat flux into a specific area. Optimized flower-shaped metamaterial thermal concentrator design is successful to concentrated the heat flux from any direction to specific area efficiently. This research is about numerical analysis of harvesting thermal energy to become DC electrical energy by using a design of metamaterial thermal concentrator, especially the design of optimized flower-shaped metamaterial concentrator by using the thermoelectric device. The result showed that with using optimized metamaterial thermal concentrator can increase the output voltage of thermoelectric device become 4,1 volt, compare than without using the concentrator that just gets output voltage 3,3 volt.

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