Design and Prototyping of Ultra Micro Centrifugal Compressor

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Studies for an ultra micro gas turbine have been actively tried and the performance gain of the compressor is assumed to be an important problem. It is important that the ultra micro centrifugal compressor optimize the meridional plane to apply the impeller with 2-dimensional blade to the ultra micro gas turbine. The present study is an attempt to establish the design methodology of a micro centrifugal compressor, which is the most important component of an ultra micro gas turbine system. Two types of impeller were made for the 5 times and the 6 times size of the final target centrifugal impeller with the outer diameter of 4mm in order to assess the similitude for the impellers and tested.