liu.seSearch for publications in DiVA
Change search
ReferencesLink to record
Permanent link

Direct link
Probabilistic Assessment of Failure Risk in Gas Turbine Discs
Linköping University, Department of Management and Engineering.
2008 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Gas turbine discs are heavily loaded due to centrifugal and thermal loads and are therefore designed for a service lifetime specified in hours and cycles. New probabilistic design criteria have been worked out at Siemens Industrial Turbomachinery AB and this report is intended to evaluate if existing turbine discs meet the new design criteria. The evaluation is composed of two tasks, estimation of failure risk and investigation of which parameters that have large effect on the results.

The outcome from the evaluations show that the failure risks are smaller than the maximum failure risks allowed in the design criteria. Further, creep strain rate, temperature and creep rupture strain are identified to have large effect on the results in the first case. In the second case blade load and other mechanical loads as well as yield stress show large effect on the results.

Place, publisher, year, edition, pages
2008. , 40 p.
Keyword [en]
Failure Risk in Gas Turbine Discs
National Category
Mechanical Engineering
URN: urn:nbn:se:liu:diva-15909ISRN: LIU-IEI-TEK-A--08/00496--SEOAI: diva2:128190
Subject / course
Solid Mechanics
A36, Linköping (Swedish)
Available from: 2009-01-23 Created: 2008-12-14 Last updated: 2011-08-23Bibliographically approved

Open Access in DiVA

fulltext(1121 kB)2613 downloads
File information
File name FULLTEXT02.pdfFile size 1121 kBChecksum SHA-512
Type fulltextMimetype application/pdf

Search in DiVA

By author/editor
Forsberg, Fredrik
By organisation
Department of Management and Engineering
Mechanical Engineering

Search outside of DiVA

GoogleGoogle Scholar
Total: 3150 downloads
The number of downloads is the sum of all downloads of full texts. It may include eg previous versions that are now no longer available

Total: 417 hits
ReferencesLink to record
Permanent link

Direct link