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| Content Provider | Springer Nature Link |
|---|---|
| Author | Heinze, Kay Meyer, Marcus Scharfenstein, Jens Voigt, Matthias Vogeler, Konrad |
| Copyright Year | 2013 |
| Abstract | This paper addresses the consideration of manufacturing effects of gas turbine blades in a probabilistic setting. Currently, during design these effects are covered by safety factors and conservative assumptions. The probabilistic investigation, on the other hand, will enable us to calculate the effect of variability on stresses and relevant aerodynamic quantities such as efficiency, thus providing the foundation for robust blade design. A set of 500 new and used turbine blades, provided by Rolls-Royce Deutschland, was digitised with an optical scan system. Cooling holes and abrasion effects were statistically analysed and removed from the scanned data set. Classical turbine parameters were identified. Finally, the variability (probability density functions and corresponding parameters) of the geometric parameters can be calculated according to the digitised geometries and the manufacturing process can be statistically analysed. The presented parametric model will provide the basis for upcoming numerical probabilistic assessment of the real geometric effects. |
| Starting Page | 41 |
| Ending Page | 51 |
| Page Count | 11 |
| File Format | |
| ISSN | 18695582 |
| Journal | CEAS Aeronautical Journal |
| Volume Number | 5 |
| Issue Number | 1 |
| e-ISSN | 18695590 |
| Language | English |
| Publisher | Springer Vienna |
| Publisher Date | 2013-08-21 |
| Publisher Institution | Council of European Aerospace Societies |
| Publisher Place | Vienna |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Turbine blade design Reverse aerofoil parameterisation Statistical analysis of manufactured turbine blade geometries Turbine blade digitalisation Aerospace Technology and Astronautics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Transportation Aerospace Engineering |
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