Influence of friction dampers on torsional blade flutter

Alok Sinha; J. H. Griffin; R. E. Kielb

doi:10.1115/1.3239905

Influence of friction dampers on torsional blade flutter

Alok Sinha, J. H. Griffin, R. E. Kielb

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

17 Scopus citations

Abstract

This paper deals with the stabilizing effects of dry friction on torsional blade flutter. A lumped parameter model with single degree of freedom per blade has been used to represent the rotor stage. The well-known cascade theories for incompressible and supersonic flows have been used to determine the allowable increase in fluid velocity relative to the blade. It has been found that the effectiveness of friction dampers in controlling flutter can be substantial.

Original language	English (US)
Pages (from-to)	313-318
Number of pages	6
Journal	Journal of Engineering for Gas Turbines and Power
Volume	108
Issue number	2
DOIs	https://doi.org/10.1115/1.3239905
State	Published - Jan 1 1986

All Science Journal Classification (ASJC) codes

Nuclear Energy and Engineering
Fuel Technology
Aerospace Engineering
Energy Engineering and Power Technology
Mechanical Engineering

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abstract = "This paper deals with the stabilizing effects of dry friction on torsional blade flutter. A lumped parameter model with single degree of freedom per blade has been used to represent the rotor stage. The well-known cascade theories for incompressible and supersonic flows have been used to determine the allowable increase in fluid velocity relative to the blade. It has been found that the effectiveness of friction dampers in controlling flutter can be substantial.",

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AB - This paper deals with the stabilizing effects of dry friction on torsional blade flutter. A lumped parameter model with single degree of freedom per blade has been used to represent the rotor stage. The well-known cascade theories for incompressible and supersonic flows have been used to determine the allowable increase in fluid velocity relative to the blade. It has been found that the effectiveness of friction dampers in controlling flutter can be substantial.

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Influence of friction dampers on torsional blade flutter

Abstract

All Science Journal Classification (ASJC) codes

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