A Study of Hydrogen Combustion Turbines PUBLIC ACCESS

[+] Author Affiliations
S. Aoki, K. Uematsu, K. Suenaga, H. Mori, H. Sugishita

Mitsubishi Heavy Industries, Ltd., Takasago, Hyogo, Japan

Paper No. 98-GT-394, pp. V003T08A024; 5 pages
  • ASME 1998 International Gas Turbine and Aeroengine Congress and Exhibition
  • Volume 3: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations
  • Stockholm, Sweden, June 2–5, 1998
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7864-4
  • Copyright © 1998 by ASME


A hydrogen combustion turbine system has been proposed by Mitsubishi Heavy Industries, LTD. which is the Closed Circuit Cooled Topping Recuperation Cycle (CCCTR cycle) and is part of a Japanese government sponsored program WE-NET (“World Energy Network”). This cycle is composed of closed Brayton and Rankine cycles. The efficiency of this cycle is more than 60% HHV (Higher Heat Value) with a power capacity of 500MW. This cycle was selected as the most suitable for hydrogen combustion turbine used for industrial power plant by the Japanese government.

A closed circuit steam cooling system has been proposed to cool vanes and blades of the high temperature turbine (HIT) which has inlet temperature of 1700°C and inlet pressure of 45bar.

This paper presents the comparisons of the thermal efficiency and the feasibility of components between the CCCTR cycle and other cycles.

Copyright © 1998 by ASME
This article is only available in the PDF format.



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