Current Status of 300 kW Industrial Ceramic Gas Turbine R&D in Japan

[+] Author and Article Information
K. Honjo, R. Hashimoto

Agency of Industrial Science and Technology, MITI, Tokyo, Japan

H. Ogiyama

New Energy and Industrial Technology Development Organization, Tokyo, Japan

J. Eng. Gas Turbines Power 115(1), 51-57 (Jan 01, 1993) (7 pages) doi:10.1115/1.2906685 History: Received January 13, 1992; Online April 24, 2008


This paper gives an overview of the current status of Japan’s national industrial ceramic gas turbine (CGT) project. The goals are 42 percent and higher thermal efficiency at the turbine inlet temperature (TIT) of 1350°C, and the emission from the exhaust gas should meet the regulatory values (for example, 70 ppm for NOx ). Also, ceramic material properties have the goals of 400 MPa for the minimum guaranteed strength at 1500°C, and 15 MPam for the fracture toughness. Currently, the basic metal gas turbine of TIT 900°C with all metallic components has already been fabricated and is running under some test conditions. The design of the basic ceramic gas turbine of TIT 1200°C has been completed and its manufacture is in progress. Research is addressing the production of large, complicated ceramic parts, and parts with less deformation and fewer defects can now be produced.

Copyright © 1993 by The American Society of Mechanical Engineers
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