A-13 超臨界CO_2ガスタービンサイクル用遠心圧縮機内部流の数値解析(空力・圧縮機,一般講演)

概要

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A new type of closed-cycle gas turbine utilizing supercritical carbon-dioxide (SC-CO_2) as a working fluid was proposed and has been studied. Since the thermo-fluid properties of SC-CO_2 near the critical point would change drastically by the slight change in temperature or pressure, the behavior of flow in the compressor for the SC-CO_2 gas turbine is different from that of perfect gas. In order to design the compressor of stability and performance, numerical analysis is also desired as well as experimental approach. In the present study, the flow field of SC-CO_2 in a centrifugal compressor was tried to be simulated.
公益社団法人日本ガスタービン学会の論文
2010-10-20