The Life Duration for Compressor Disc under Torsional Vibrations of the Blades

The purpose of the research is calculating the stress-strain state of the elastic compressor disks of gas turbine engine due to vibrations of blades. The thickness of the disks is variable along the radius. The solution presented by power and Fourier series and the Fourier coefficients are found fro...

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Veröffentlicht in:Solid State Phenomena 2016-12, Vol.258, p.145-148
Hauptverfasser: Burago, Nikolay G., Nikitin, Alexander D., Nikitin, Ilya S., Yushkovskiy, Pavel A.
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creator Burago, Nikolay G.
Nikitin, Alexander D.
Nikitin, Ilya S.
Yushkovskiy, Pavel A.
description The purpose of the research is calculating the stress-strain state of the elastic compressor disks of gas turbine engine due to vibrations of blades. The thickness of the disks is variable along the radius. The solution presented by power and Fourier series and the Fourier coefficients are found from the boundary value problems for systems of ordinary differential equations along the radial coordinate. The obtained results are used to estimate the durability of the disks in very-high-cycle fatigue mode.
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subjects Blades
Boundary value problems
Differential equations
Disks
Fourier series
Gas turbine engines
High cycle fatigue
Mathematical analysis
Ordinary differential equations
Strain
title The Life Duration for Compressor Disc under Torsional Vibrations of the Blades
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