Strength design and reliability evaluation of a hybrid ceramic stator vane for industrial gas turbines

Journal Article · Sat Apr 01 00:00:00 EST 1995 · Journal of Engineering for Gas Turbines and Power

DOI:https://doi.org/10.1115/1.2814087· OSTI ID:78218

Nakakado, K; Machida, T ^[1]; Miyata, H ^[2]; Hisamatsu, T; Mori, N; Yuri, I ^[3]

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1. Hitachi, Ltd., Tsuchiura (Japan)
2. Hitachi, Ltd., Hitachi (Japan)
3. Central Research Inst. of Electric Power Industry, Yokosuka (Japan)

Employing ceramic materials for the critical components of industrial gas turbines is anticipated to improve the thermal efficiency of power plants. The authors developed a first-stage stator vane for a 1,300 C class, 20-MW industrial gas turbine. This stator vane has a hybrid ceramic/metal structure, to increase the strength reliability of brittle ceramic parts, and to reduce the amount of cooling air needed for metal parts as well. The strength design results of a ceramic main part are described. Strength reliability evaluation results are also provided based on a cascade test using combustion gas under actual gas turbine running conditions.

• Sponsoring Organization: USDOE
• OSTI ID: 78218
• Journal Information: Journal of Engineering for Gas Turbines and Power, Vol. 117, Issue 2; Other Information: PBD: Apr 1995
• Country of Publication: United States
• Language: English

Related Subjects

20 FOSSIL-FUELED POWER PLANTS
STATORS
RELIABILITY
DESIGN
GAS TURBINES
CERAMICS
MECHANICAL PROPERTIES