OS-101 Development Summary of CGT302 Ceramic Gas Turbine(Organized Session 1: Ceramic Gas Turbines)

概要

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The CGT302 Ceramic Gas Turbine was developed at Kawasaki Heavy Industries, Ltd. (KHI) under a Japanese national program between FY1988-1998. This program, as a part of the New Sunshine Project funded by the Ministry of International Trade and Industry (MITI), aimed to achieve a higher efficiency, lower pollutant emissions, and a multi-fuel capability to be used in cogeneration systems. It was also to demonstrate long-term operation. The targets of this program were to achieve a thermal efficiency of over 42% at a turbine inlet temperature (TIT) of 1350℃, to meet its emissions to the law and to operate continuously for more than thousand hours at 1200℃ TIT for ceramic material durability. The CGT302 has several unique features as follows: simple-shaped ceramic components, a Kawasaki original binding system for turbine nozzle segments, stress-free structure using ceramic springs and rings and a metal plate-fin recuperator, and more. In addition to these features, an abradable ceramic turbine shroud was adopted. The CGT302 was successfully achieved its target. In March 1999 the CGT302 recorded 42.1% thermal efficiency, and proved 31.7ppm of NO_x emission (O_2=16%) at 1350℃ TIT, while in the durability tests at 1200℃, it accumulated over two thousand hours operation time. This paper will describe the development summary of the CGT302.
公益社団法人日本ガスタービン学会の論文
1999-11-14