NDLI: The Impact of Geometric Scatter on High-Cycle-Fatigue of Compressor Blades

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Heinze, Kay Vogeler, Konrad Friedl, Winfried-Hagen
Copyright Year	2010
Abstract	The geometric parameters of manufactured compressor blades do not exactly comply with the design intention. These deviations result from the abrasion of the forging and milling machines as well as variations of the material properties or the blank part geometries. Using probabilistic methods, the geometric deviations can be considered within the design process. This paper presents the results of a probabilistic High-Cycle-Fatigue investigation under consideration of the geometric parameter scatter of the entire compressor blade. Based on a previous paper of the authors, the geometric parametrization as well as the process chain to apply the geometric scatter to an existing FE-mesh was supplemented by the radii and the geometric dimensions of the compressor blade root. Thus, the impact of all geometric parameter scatter on the High-Cycle-Fatigue strength, the eigenfrequencies and the mode shapes can be evaluated.
Sponsorship	International Gas Turbine Institute
Starting Page	591
Ending Page	599
Page Count	9
File Format	PDF
ISBN	9780791844014
DOI	10.1115/GT2010-22083
e-ISBN	9780791838723
Volume Number	Volume 6: Structures and Dynamics, Parts A and B
Conference Proceedings	ASME Turbo Expo 2010: Power for Land, Sea, and Air
Language	English
Publisher Date	2010-06-14
Publisher Place	Glasgow, UK
Access Restriction	Subscribed
Subject Keyword	Blanks Abrasion Chain Blades High cycle fatigue Dimensions Compressors Milling machines Design Mode shapes Forging Electromagnetic scattering Materials properties
Content Type	Text
Resource Type	Article

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