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TECHNICAL PAPERS: Gas Turbines: Structures and Dynamics

Eigensolutions of Grouped Turbo Blades Solved by the Generalized Differential Quadrature Method

[+] Author and Article Information
J. H. Kuang, M. H. Hsu

Department of Mechanical Engineering, National Sun Yat-Sen University, Kaohsiung 80424, Taiwan

J. Eng. Gas Turbines Power 124(4), 1011-1017 (Sep 24, 2002) (7 pages) doi:10.1115/1.1492833 History: Received December 01, 2000; Revised March 01, 2001; Online September 24, 2002
Copyright © 2002 by ASME
Topics: Blades , Eigenvalues
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References

Figures

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Geometry of the grouped turbo blade system
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Geometry of the pretwisted taper beam
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The calculated lowest natural frequencies of a grouped turbo blade disk with a rotating speed of Ω̄=1.5
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The lowest natural frequencies (ω̄1) of the rotating turbo disk with different pretwist angles
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The calculated natural frequencies of the grouped turbo disk with different shroud stiffness k̄

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