Fatigue life evaluation in composite rotor blade of multipurpose helicopter

被引：0

作者：

Kwon, JH ^{[1
]}

Hwang, KJ ^{[1
]}

Kim, SS ^{[1
]}

Kim, PJ ^{[1
]}

Kim, CS ^{[1
]}

机构：

[1] Univ Ulsan, Sch Transportat Syst Engn, Ulsan, South Korea

来源：

KORUS-2002: 6TH RUSSIAN-KOREAN INTERNATIONAL SYMPOSIUM ON SCIENCE AND TECHNOLOGY, PROCEEDINGS | 2002年

关键词：

fatigue life; residual strength degradation; composite rotor blade; load spectrum; full scale fatigue test;

D O I：

10.1109/KORUS.2002.1027948

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

The prediction of fatigue life and strength of the composite rotor blade for multipurpose helicopter was studied using a residual strength degradation concept. A Flight-by-flight load spectrum was introduced on the basis of FELIX standard data. The composite structure analysis was performed-to obtain the local stress near blade root in laminate skin and glass roving spar where fatigue damages were most severely anticipated. The fatigue test in the structural specimen of the rotor blade was also carried out to compare with predicted results.

引用

页码：15 / 20

页数：6

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