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The Improvement of Survivability of Fiber Brags Grating Sensors Embedded into Filament Wound Pressure Tanks  

Kang, D. H. (한국철도기술연구원 철도정책 물류연구본부 국제철도연구팀)
Park, S. W. (한국과학기술원 기계공학과 항공우주공학)
Park, S. O. (한국과학기술원 기계공학과 항공우주공학)
Kim, C. G. (한국과학기술원 기계공학과 항공우주공학)
Publication Information
Composites Research / v.18, no.5, 2005 , pp. 1-8 More about this Journal
Abstract
Among many fabrication methods of composite materials, filament winding is the most effective method for fabricating axis-symmetric structures such as pressure tanks and pipes. Filament wound pressure tanks are under high internal pressure during the operation and it has the complexity in damage mechanisms and failure modes. For this reason, it is necessary to monitor the tank through its operation as well as whole fabrication process. A large number of sensors must be embedded into multi points of the tank from its fabrication step for monitoring the whole tank. Fiber optic sensors, especially fiber Bragg grating(FBG) sensors are widely used for various applications because of good multiplexing capabilities. However, we need to develop the embedding technique of FBG sensors into harsh inner environment of the tank far the successful embedment. In this paper, we studied the embedding technique of a number of FBG sensors into filament wound pressure tanks considering multiplexing.
Keywords
fiber Bragg grating; filament winding; pressure tank; multiplexing; embed;
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