<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>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.</p></abstract>

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.

Thermal Fatigue Problems of Turbine Casing

Rzeszów University of Technology, Rzeszów, Poland

Fatigue of Aircraft Structures

{"article-title":"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...

Thermal Fatigue Problems of Turbine Casing

Publicado en línea: 23 sept 2010

Páginas: 205 - 211

DOI: https://doi.org/10.2478/v10164-010-0018-6

This content is open access.