Blade Manufacturing Tolerances Definition for a Mistuned Industrial Bladed Disk | Zendy

Evangéline CapiezLernout | Zendy; Christian Soize | Zendy; Jean-Pierre Lombard | Zendy; Christian Dupont | Zendy; Eric Seinturier | Zendy

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Blade Manufacturing Tolerances Definition for a Mistuned Industrial Bladed Disk

Author(s) -

Evangéline CapiezLernout,

Christian Soize,

Jean-Pierre Lombard,

Christian Dupont,

Eric Seinturier

Publication year - 2005

Publication title -

journal of engineering for gas turbines and power

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.567

H-Index - 84

eISSN - 1528-8919

pISSN - 0742-4795

DOI - 10.1115/1.1850497

Subject(s) - mistuning , blade (archaeology) , chord (peer to peer) , stiffening , structural engineering , engineering , probabilistic logic , mechanical engineering , computer science , vibration , acoustics , physics , artificial intelligence , distributed computing

International audienceThis paper deals with the characterization of the blade manufacturing geometric tolerances in order to get a given level of amplification in the forced response of a mistuned bladed-disk. The theory is based on the use of a norparametric probabilistic model of blade random uncertainties. The dispersion parameters controlling the nonparametric model are estimated as a function of the geometric tolerances. The industrial application is devoted to the mistuning analysis of a 22 blades wide chord fan stage. Centrifugal stiffening due to rotational effects is also included. The results obtained validate the efficiency and the reliability of the method on three-dimensional bladed disks

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