Micro-thermophotovoltaic power generator was initiated by our group in 2022. Compared to other micro power generators being developed around the world, it does not include any moving part, as a result, it is easier to fabricate and more reliable. As one of the key components of micro-TPV system, the microcombustor which also serves as the radiator significantly determines the performance of the micro-TPV system. To achieve a higher power output, it is very important to achieve a high and uniform temperature distribution along the surface of the microcombustor. In this work, an extensive investigation has been conducted on the major factors affecting the combustion process such as porous media, block insert, combustion chamber design and blend fuel etc, subsequently on the temperature distribution, radiation energy and output power of the micro-TPV system.

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