Flutter of Aircraft Engine Low Pressure Turbine Blades: Oscillating Cascade Experiments and Analysis
作者： J. Panovsky , M. Nowinski , A. Bölcs
DOI: 10.1007/978-94-011-5040-8_53
关键词: Aerospace engineering 、 Turbine 、 Inviscid flow 、 Engineering 、 Aerodynamics 、 Turbomachinery 、 Cascade 、 Mechanical engineering 、 Turbine blade 、 Reduced frequency 、 Flutter
摘要: This paper describes a portion of research effort to eliminate occurrences flutter low pressure turbine blades in aircraft engines. Fundamental unsteady aerodynamic experiments an annular cascade plus correlating analyses are conducted improve the understanding mechanism these and identify key parameters. Mode shape is identified as most important contributor determining stability blade design, while reduced frequency has secondary influence. Low shown be linear, inviscid phenomenon.
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