Journal of the Korean Solar Energy Society (한국태양에너지학회 논문집)

The Korean Solar Energy Society (한국태양에너지학회)
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Manufacturing of an FBG sensor imbedded small wind turbine blade

광섬유 격자센서 내장형 소형 풍력발전기 날개 제작

  • Kim, Chang-Hwan (Dept. of Mechanical and Mechatronics Engineering, Graduate School, Kangwon National University) ;
  • Yun, Jin-Young (Dept. of Mechanical and Mechatronics Engineering, Graduate School, Kangwon National University) ;
  • Kim, Hyun-Gyu (Dept. of Mechanical and Mechatronics Engineering, Graduate School, Kangwon National University) ;
  • Kim, Kwan-Soo (Dept. of Mechanical and Mechatronics Engineering, Graduate School, Kangwon National University) ;
  • Paek, In-Su (Dept. of Mechanical and Mechatronics Engineering, Kangwon National University) ;
  • Yoo, Neung-Soo (Dept. of Mechanical and Mechatronics Engineering, Kangwon National University)
  • 김창환 (강원대학교 대학원 기계메카트로닉스공학과) ;
  • 윤진용 (강원대학교 대학원 기계메카트로닉스공학과) ;
  • 김현규 (강원대학교 대학원 기계메카트로닉스공학과) ;
  • 김관수 (강원대학교 대학원 기계메카트로닉스공학과) ;
  • 백인수 (강원대학교 기계메카트로닉스공학과) ;
  • 유능수 (강원대학교 기계메카트로닉스공학과)
  • Received : 2012.02.07
  • Accepted : 2012.07.02
  • Published : 2012.08.30
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Abstract

A Fiber Bragg Grating (FBG) sensor imbedded small wind turbine blade was manufactured to experimentally investigate the feasibility to embed FBG sensors between layers of glass fiber to monitor dynamic strains of the wind turbine blade. The blade which is similar to a commercial 300 W wind turbine blade was manufactured with glass fiber as a reinforcement and epoxy resin as base material. A total of five FBG sensors including one temperature sensor were imbedded in the blade to sense mechanical strain and temperature. While manufacturing the blade, residual strain and temperature that occurred in the small wind turbine blade were monitored using the imbedded FBG sensor array. To examine the sensor performance, an impact test was carried out. The experimental results from the FBG sensors were close to those from electrical strain gages mounted on the blade root surface. The mode shapes of the blade were analyzed also using a commercial Ansys simulation with a model obtained from a three dimensional laser scanning of the blade.

Keywords

References

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