Abstract
Ultra micro turbine concept based upon MEMS technology was proposed by MIT, since then several projects have been initiated and sponsored by DARPA for its development throughout the universities and research institutions in the US. The present authors regard such ultra micro gas turbine engine systems to be crucial for the future mobile and friendly energy utilization system that anyone can enjoy at any place on the globe. In this paper, out palm top gas turbine (2-3kW, dry weight 14.3kg included generator, rotational speed 235000rpm, outer diameter 180mm, length 335mm) and finger top gas turbine test model (tens of W, rotational speed 1170000rpm, outer diameter 23mm, length 32mm) are described.
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