비파괴검사학회지 (Journal of the Korean Society for Nondestructive Testing)

  • 제30권4호
  • /
  • Pages.324-329
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  • 2010
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  • 1225-7842(pISSN)
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  • 2287-402X(eISSN)
한국비파괴검사학회 (The Korean Society for Nondestructive Testing)
권호 표지

핵연료 펠릿의 X-선 단층촬영 기반 시뮬레이션 타당성 해석

X-Ray Tomography Based Simulation Feasibility Analysis of Nuclear Fuel Pellets

  • 김재준 (대구대학교 정보통신공학부)
  • Kim, Jae-Joon (School of Computer and Communications, Daegu University)
  • 투고 : 2010.05.18
  • 심사 : 2010.08.06
  • 발행 : 2010.08.30
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초록

원자력발전소에서 사용되고 있는 연료봉은 지르코늄 합금 튜브에 동봉되어 있는 이산화우라늄 펠릿으로 구성되어 있다. 펠릿 표면은 원자로를 가동시키는 동안 국부 핫스팟을 예방하기 위해 튜브로 장전된 후 작은 구멍, 균열, 칩핑 결함이 없어야 한다. 본 논문은 X-선 단층촬영 시뮬레이션을 통하여 핵 연료봉 펠릿의 표면 결함을 검출하기 위한 타당성을 조사하였다. 병렬과 팬빔 여과후 역투영 방법을 이용하여 재구성된 영상은 시뮬레이션 데이터와 MPS(missing pellet surface) 영상데이터의 접근성을 확인하였다.

Fuel rods using in nuclear power plants consist of uranium dioxide pellets enclosed in zirconium alloy(zircaloy) tubes. It is vitally important for the pellet surface to remain free from pits, cracks and chipping defects after it is loaded into the tubes to prevent local hot spots during reactor operation. This paper investigates the feasibility study for detecting surface flaws of pellets contained within nuclear fuel rod through X-ray tomography simulation. Reconstructed images used by parallel and fan-beam filtered back projection method were presented and confirmed the accessibility between simulation data and MPS(missing pellet surface) image data.

키워드

참고문헌

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