Design of Ceramic Gas Turbine Components

[+] Author and Article Information
G. Stürmer, M. Fundus, A. Schulz, S. Wittig

Lehrstuhl und Institut für Thermische Strömungsmaschinen, Universität Karlsruhe (T.H.), D-7500 Karlsruhe, Federal Republic of Germany

J. Eng. Gas Turbines Power 113(4), 621-627 (Oct 01, 1991) (7 pages) doi:10.1115/1.2906286 History: Received January 10, 1990; Online April 24, 2008


At the Institute for Thermal Turbomachinery (ITS), University of Karlsruhe, detailed theoretical and experimental studies concerning ceramic gas turbine components have been performed. For the analysis of the reliability of ceramic components by finite element calculations, the numerical code CERITS has been developed, which follows a strategy similar to that suggested by Gyekenyesi. CERITS determines the failure probability of ceramic components with reference to volumetric flaws. Different fracture criteria can be considered. CERITS is coupled to the finite element code ADINA, which facilitates the prediction of the required temperature and stress distributions. The procedure is demonstrated utilizing gas turbine combustor components.

Copyright © 1991 by The American Society of Mechanical Engineers
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