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Katharina Brinkmann, Thomas Hoffmann, Lars Panning-von Scheidt and Heinrich Stüer
In this work, the vibration response of an academic free-standing turbine blisk is analyzed in regard to transient resonance passages. Measurement data are recorded using strain gauges and tip timing to evaluate the blades first bending mode both linearl...
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Xin Liu, Yu Fan, Lin Li and Xiaoping Yu
Understanding the mechanism of the aeroelastic stability improvement induced by mistuning is essential for the design of bladed disks in aero-engines. In this paper, a quantitative interpretation is given. It starts by projecting the mistuned aeroelastic...
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Roland Rückert and Dieter Peitsch
The present paper investigates the aerodynamic performance of a cantilevered tandem stator based on experiments conducted within a high speed annular test rig at the Technische Universitaet Berlin. A tandem blade in this context describes a double rowed ...
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Fengling Zhang, Lin Li, Yu Fan and Jiuzhou Liu
The proposed method can be applied to bladed disks of the compressors of aero-engines, as a light-weight and adaptive damping solution. Some practical issues should be addressed before industrial implementation, such as distribution of piezoelectric mate...
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Feng Gao and Wei Sun
For the purpose of improving the working reliability of the blisk (integrally-bladed disk) under severe environment, a passive vibration reduction method by depositing a hard coating on both sides of blades is developed and then investigated systematical...
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Feng Gao and Wei Sun
This paper develops a damping strategy for the vibration reduction of a mistuned bladed disk (blisk) by depositing hard coating on its blades, and systematically investigates the vibration characteristics of the hard-coated mistuned (HCM) blisk. By using...
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Josef Kellner,Vladimír Zeman
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