文档介绍：THE WOLFSON SCHOOL OF
MECHANICAL AND MANUFACTURING
ENGINEERING
TURBOMACHINERY BLADE
VIBRATION ANALYSIS
BEN HALKON
SUPERVISOR: DR. S. J. ROTHBERG
JANUARY, 2002
SUBMITTED DURING THE COURSE OF STUDY UNDERTAKEN TO ACHIEVE
THE DEGREE OF DOCTOR OF PHILOSOPHY
Copyright 2002 by Ben Halkon
All rights reserved
TURBOMACHINERY BLADE VIBRATION ANALYSIS
CONTENTS
List of Figures........................................................................................................... iii
Glossary..................................................................................................................... iii
CHAPTER
1 – INTRODUCTION................................................................................ 1
2 – MATHEMATICAL PUTATIONAL MODELLING
METHODS........................................................................................... 2
Single Blade Vibration Analysis...................................................... 2
Beam Theory Methods ................................................................. 2
Finite Element Modelling Methods.............................................. 2
Blade Assembly Vibration Analysis................................................. 2
3 – CONVENTIONAL BLADE VIBRATION MEASUREMENT
TECHNIQUES..................................................................................... 4
Pre-Assembly Blade Vibration Measurement................................. 4
Experimental Modal Analysis...................................................... 4
Conventional Transducer Types .................................................. 5
In-Machine Blade Vibration Measurement.................................... 5
Strain Gauge Based Measurements............................................. 5
Frequency Modulated Grid Measurements .............