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광섬유 브래그 격자센서를 이용한 세장체 변형률 계측기법Measurement Technique for Strains of a Slender Structure Using Fiber Bragg Grating Sensor
- Other Titles
- Measurement Technique for Strains of a Slender Structure Using Fiber Bragg Grating Sensor
- Issue Date
- 1-12월-2008
- Publisher
- 한국해양연구원 해양시스템안전연구소
- Keywords
- FBG (Fiber Bragg Grating); Strain; Slender body; Interrogator; VIV (Vortex Induced Vibration)
- Citation
- 선박해양기술, v.1, no.46, pp 67 - 74
- Pages
- 8
- Journal Title
- 선박해양기술
- Volume
- 1
- Number
- 46
- Start Page
- 67
- End Page
- 74
- Abstract
- Fiber Bragg Grating(FBG) sensor technique for measuring multi-points of strains for a slender structure under water was introduced and the effectiveness of FBG sensor technique was analyzed. The strain measurement principle of FBG sensor was briefly explained. The specification of si425-500K, interrogator for FBG sensor, installed in MOERI was summarized. An experiment on vortex induced vibration of a marine slender structure in linearly sheared flow was introduced. The advantage and disadvantage for applying FBG sensor technique to measure strains of a slender structure were summarized. It was concluded that the FBG senor technique was very useful to measure reliable strains data in high mode experiments of a slender structure.
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