Reduced-order model of a mistuned multi-stage bladed rotor

Alok Sinha

doi:10.1515/tjj.2008.25.3.145

Reduced-order model of a mistuned multi-stage bladed rotor

Alok Sinha

Research output: Contribution to journal › Article › peer-review

17 Scopus citations

Abstract

This paper deals with a reduced-order model of a multi-stage rotor in which each stage has a different number of blades. In particular, it is shown that a reduced-order model can be developed on the basis of tuned modes of certain bladed disks. The validity of this algorithm is shown for a spring-mass model with three degrees of freedom per sector . In addition, the statistical distributions of the peak maximum amplitude are generated via Monte Carlo simulations , and the impact of mistuning is examined for a two-stage rotor.

Original language	English (US)
Pages (from-to)	145-153
Number of pages	9
Journal	International Journal of Turbo and Jet Engines
Volume	25
Issue number	3
DOIs	https://doi.org/10.1515/tjj.2008.25.3.145
State	Published - 2008

All Science Journal Classification (ASJC) codes

Aerospace Engineering

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10.1515/tjj.2008.25.3.145

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title = "Reduced-order model of a mistuned multi-stage bladed rotor",

abstract = "This paper deals with a reduced-order model of a multi-stage rotor in which each stage has a different number of blades. In particular, it is shown that a reduced-order model can be developed on the basis of tuned modes of certain bladed disks. The validity of this algorithm is shown for a spring-mass model with three degrees of freedom per sector . In addition, the statistical distributions of the peak maximum amplitude are generated via Monte Carlo simulations , and the impact of mistuning is examined for a two-stage rotor.",

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AB - This paper deals with a reduced-order model of a multi-stage rotor in which each stage has a different number of blades. In particular, it is shown that a reduced-order model can be developed on the basis of tuned modes of certain bladed disks. The validity of this algorithm is shown for a spring-mass model with three degrees of freedom per sector . In addition, the statistical distributions of the peak maximum amplitude are generated via Monte Carlo simulations , and the impact of mistuning is examined for a two-stage rotor.

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Reduced-order model of a mistuned multi-stage bladed rotor

Abstract

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