Experimental Results with a Supercritical Pressure Test Plant (1st Report)

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In view of the current tendencies in power requirements, it will become a necessity in the very near future to construct in Japan large-capacity supercritical pressure thermal power plants. In this paper, we outline the supercritical pressure test plant recently built by Hitachi Ltd., at the Hitachi Laboratory, and discuss some of its experimental results. These plant facilities include a boiler with steam conditions of 350kg/cm^2g and 650℃ and a steam flow rate of 2 t/hr, a 200kW turbo-generator, as well as a complete set of plant equipment and a large variety of testing apparatus. Here a wide range of research activities are being conducted on heat transfer and flow characteristics of supercritical steam and water, control methods and operating methods of entire plants using once-through boilers, the water treatment of supercritical pressure plants, and heat-resisting materials for supercritical pressure plants. In this paper, we report on some of the results of this research.
一般社団法人日本機械学会の論文