Analysis on Torsional Fatigue Life of Turbo-Generator Shafts

Yu Jiong Gu; Tie Zheng Jin

doi:10.4028/www.scientific.net/KEM.467-469.1858

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 467-469Analysis on Torsional Fatigue Life of...

Analysis on Torsional Fatigue Life of Turbo-Generator Shafts

Abstract:

Both low-cycle fatigue and high-cycle fatigue exist during torsional vibrations, but the impact of high-cycle fatigue has rarely been considered. In this paper, a torsional fatigue life analyzing method used for torsional vibration of turbo-generator shafts has been developed based on Manson-Coffin equation and high-cycle fatigue theory. The method has been used to estimate the torsional fatigue life in the most dangerous section of the shafts in a power plant. The cumulative torsional fatigue damage under two-phase short circuit simulation has been predicted.

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Periodical:

Key Engineering Materials (Volumes 467-469)

Pages:

1858-1863

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.467-469.1858

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Online since:

February 2011

Authors:

Yu Jiong Gu, Tie Zheng Jin

Keywords:

High Cycle Fatigue (HCF), Torsional Fatigue Life, Torsional Vibration, Turbo-Generator Shafts

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References

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