| Issue |
MATEC Web of Conferences
Volume 12, 2014
FDMD II - JIP 2014 - Fatigue Design & Material Defects
|
|
|---|---|---|
| Article Number | 00001 | |
| Number of page(s) | 3 | |
| DOI | https://doi.org/10.1051/matecconf/20141200001 | |
| Published online | 09 June 2014 | |
Probabilistic integrity assessment of turbine disks in presence of potential defects
1 Politecnico di Milano, Dipartimento di Meccanica, 20156 Milano, Italy
2 Federal Institute for Materials Research and Testing (BAM), Division 9.1, 12205 Berlin, Germany
3 Ansaldo Energia, 16152 Genova, Italy
a Corresponding author: stefano.beretta@polimi.it
Rotor disks for gas turbines are heavy components and are usually designed following a safe-life approach, where the low-cycle fatigue analysis is carried out referring to design life curves with suitable probabilistic margins. However, in the case of such a heavy component there is the possibility of rare occurrence of undetected defects or, better, the need to identify the defect acceptability for the different rotor regions (considering stress, temperature, mission profile). In order to carry out such calculations for a turbine rotor disk a software named {AStrID} (Assessment of the Structural Integrity of Disks) has been developed in close cooperation between Politecnico di Milano and Ansaldo Energia (AEN). This paper summarizes its background and some of the relevant features.
© Owned by the authors, published by EDP Sciences, 2014
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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