지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국항공우주학회 International Journal of Aeronautical and Space Sciences International Journal of Aeronautical and Space Sciences Volume.12 Number.4
- 발행연도
- 2011.12
- 수록면
- 346 - 353 (8page)
이용수
초록· 키워드
오류제보하기
In this study, the structural performance tests, i.e., static tests and dynamic tests of the composite wind turbine blade, were carried out by using the embedded fiber Bragg grating (FBG) sensors. The composite wind turbine blade used in the test is the 1/23 scale of the 750 kW composite blade. In static tests, the deflections along the blade were evaluated. Evaluations were carried out with simple beam theory and quadratic fitting method by using the embedded FBG sensors to predict the structural behavior with respect to the load. The deflections were compared to those obtained from the laser displacement sensor and electric strain gauges. They showed good agreement. Modal tests were performed to investigate the dynamic characteristics using the embedded FBG sensors. The natural frequencies obtained from the FBG sensors corresponding to the nine mode shapes of the blade were compared to those from the laser Doppler vibrometer. They were found to be consistent with each other. Therefore, it is concluded tha t the embedded FBG sensors have a great capability for measuring the structural performances of the composite wind turbine blade when structural performance tests are carried out.
목차
Abstract
1. Introduction
2. FBG Sensors
3. Composite Wind Turbine Blade
4. Static Test
5. Dynamic Tests
6. Conclusions
Acknowledgements
References
참고문헌 (11)
참고문헌 신청
Chang, S. J / 2011 / Estimation of displacement response from FBG strain sensors using empirical mode decomposition technique / Experimental Mechanics
Ciang, C. C. / 2008 / Structural health monitoring for a wind turbine system: a review of damage detection methods / Measurement Science and Technology 19:122001
Hahn, F. / 2002 / Design, fatigue test and NDE of a sectional wind turbine rotor blade / Journal of Thermoplastic Composite Materials 15:267~277
Hill, K. O. / 1993 / Bragg gratings fabricated in monomode photosensitive optical fiber by UV exposure through a phase mask / Applied Physics Letters 62:1035~1037
Jensen, F. M. / 2006 / Structural testing and numerical simulation of a 34 m composite wind turbine blade / Composite Structures 76:52~61
Ciang, C. C. / 2008 / Structural health monitoring for a wind turbine system: a review of damage detection methods / Measurement Science and Technology 19:122001
Hahn, F. / 2002 / Design, fatigue test and NDE of a sectional wind turbine rotor blade / Journal of Thermoplastic Composite Materials 15:267~277
Hill, K. O. / 1993 / Bragg gratings fabricated in monomode photosensitive optical fiber by UV exposure through a phase mask / Applied Physics Letters 62:1035~1037
Jensen, F. M. / 2006 / Structural testing and numerical simulation of a 34 m composite wind turbine blade / Composite Structures 76:52~61
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UCI(KEPA) : I410-ECN-0101-2013-558-001197864