Turbine Blade Life Estimation

Front Cover
Alpha Science Int'l Ltd., 2000 - Technology & Engineering - 352 pages
The blade life estimation is a multifaceted technology, involving free and forced vibration forces, that lead to the determination of steady and dynamic stresses at different critical speeds during the startup and shutdown procedures, as well as in the operational speed range. Propagation and unstable fracture are described with practical examples to estimate blade life.
 

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Contents

Preface
1
Finite Element Analysis of Blades
209
Local Stress Strain Approach for Crack Initiation
237
Linear Elastic Fracture Mechanics
268
Stress Intensity Factor Approach for Fatigue Crack Initiation
308
Stress Intensity Factor Approach for Fatigue
323
INDEX
335
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