VIBRATION CHARACTERISTICS ANALYSIS FOR A SHROUDED TURBINE BLADE WITH AIR-COOLING HOLES
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VIBRATION CHARACTERISTICS ANALYSIS FOR A SHROUDED TURBINE BLADE WITH AIR-COOLING HOLES
Vol. 12, Issue 3, (1997)
作者机构:
1. 北京航空航天大学
2. 贵州航空发动机研究所
作者简介:
基金信息:
DOI:
CLC:
Published:1997
稿件说明:
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Ou Yangde, Kong Ruilian, Song Zhaohong, et al. VIBRATION CHARACTERISTICS ANALYSIS FOR A SHROUDED TURBINE BLADE WITH AIR-COOLING HOLES[J]. 1997, 12(3).
DOI:
Ou Yangde, Kong Ruilian, Song Zhaohong, et al. VIBRATION CHARACTERISTICS ANALYSIS FOR A SHROUDED TURBINE BLADE WITH AIR-COOLING HOLES[J]. 1997, 12(3).DOI:
VIBRATION CHARACTERISTICS ANALYSIS FOR A SHROUDED TURBINE BLADE WITH AIR-COOLING HOLES
A finite element model has been established for analyzing vibration characteristics of a shrouded turbine blade with air-cooling holes.The effects of uniform and nonuniform temperature distribution
holes and constraint conditons of the shrouds on the vibration characteristics are considered.According to the resonant fatigue-damage life theory
the optimum clearance between neighboring shrouds is determined to increase the service life.The results of the analysis show that the air-cooling holes have less
but the constraint conditions and temperature distributions have significant effect on natural frequencies of the blades.