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Fatigue of Aircraft Structures

The Journal of Institute of Aviation

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Thermal Fatigue Problems of Turbine Casing

Lucjan Witek / Daniel Ngii / Tadeusz Kowalski
Published Online: 2010-09-23 | DOI: https://doi.org/10.2478/v10164-010-0018-6

Thermal Fatigue Problems of Turbine Casing

This paper presents numerical stress analysis of the turbine casing of an aero-engine. To solve the problem, the geometrically complicated numerical model was created. The finite element method was used in computations. In results of nonlinear static analyses performed for both mechanical and thermal load occurred under operating condition of engine, the stress and deformation contours were generated. High thermal stress gradients were found at the region of casing where fatigue cracks were detected during engine operation.

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About the article

Published Online: 2010-09-23

Published in Print: 2009-07-26

Citation Information: Fatigue of Aircraft Structures, Volume 2009, Issue 1, Pages 205–211, ISSN (Online) 2300-7591, DOI: https://doi.org/10.2478/v10164-010-0018-6.

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