2023
DOI: 10.2478/scjme-2023-0019
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Flutter Measurement of a Linear Turbine Blade Cascade with an Angular Position Deviation of One Blade

Petr Eret,
Volodymyr Tsymbalyuk,
Markus Eckert

Abstract: Experimental flutter testing of high-aspect ratio rotor blades is a mainstay of turbomachinery research. However, rotor blades are never identical, and geometrical errors between actual and nominal geometries exist due to limited machining precision or assembly imperfection. The paper presents the initial phase of the controlled flutter research of a linear turbine blade cascade with a geometric deviation in one blade position. A subsonic wind tunnel with four flexibly mounted blades in an otherwise rigid blad… Show more

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