In order to prevent global warming, the amount of CO_2 produced by fossil fuel power plants needed to be reduced. For that reason, improvement of the gas turbine thermal efficiency for GTCC is essential. Mitsubishi Heavy Industries, Ltd. is a participant in a national project aimed at developing 1700°C gas turbine technology. As part of this national project, selected component technologies are investigated in detail. Some technologies which have been verified through component tests have been applied to the design of the newly developed 1600°C gas turbine.
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