대한기계학회논문집A (Transactions of the Korean Society of Mechanical Engineers A)

  • 제34권9호
  • /
  • Pages.1217-1225
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  • 2010
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  • 1226-4873(pISSN)
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  • 2288-5226(eISSN)
대한기계학회 (The Korean Society of Mechanical Engineers)
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이중벽관 증기발생기의 설계개념 기술개발

Design Concept and Technology Development of a Double-Wall-Tube Steam Generator

  • 남호윤 (한국원자력연구원 고속로기술개발부) ;
  • 최병해 (한국원자력연구원 고속로기술개발부) ;
  • 김종범 (한국원자력연구원 고속로기술개발부)
  • Nam, Ho-Yun (Div. of Fast Reactor Development, Korea Atomic Energy Research) ;
  • Choi, Byoung-Hae (Div. of Fast Reactor Development, Korea Atomic Energy Research) ;
  • Kim, Jong-Bum (Div. of Fast Reactor Development, Korea Atomic Energy Research)
  • 투고 : 2010.05.11
  • 심사 : 2010.07.20
  • 발행 : 2010.09.01
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초록

소듐을 냉각재로 사용하는 고속로의 증기발생기에서는 소듐과 물의 화학적 반응을 최소화하는 것이 중요한 문제이다. 소듐과 물의 반응 가능성을 줄여 증기발생기의 신뢰성을 향상시키기 위한 한가지 방안으로 이중벽관을 전열관으로 사용하는 증기발생기를 개발하고 있다. 이 증기발생기에서 중요한 현안은 이중벽관에서의 열전달 성능을 향상시키는 문제와 원자로 운전 중에 소듐과 물 반응사고가 일어나기 전에 전열관의 파손을 감지하는 기술을 개발하는 것이다. 이 논문에서는 이 현안을 극복할 수 있는 방안을 제시하였고, 이 기술을 활용하여 증기발생기의 개념을 설계하였다. 또한 이 개념에 적용되는 이중벽관을 설계 및 예비 제작하여 기계적 시험을 수행하였다.

The possibility of a sodium-water reaction occurring in a conventional single-wall-tube steam generator in an SFR is a major problem. To improve the reliability of a steam generator, a double-wall-tube steam generator that can reduce the possibility of the occurrence of a sodium-water reaction is being developed. Current developments are focusing on improving the heat-transfer capability of a double-wall tube; further, the development of a leak-detection method to detect the occurrence of a sodium-water reaction during the reactor operation is also underway. In this study, new concepts, which will solve the above-mentioned problems, have been developed. Accordingly, a double-wall tube has been designed, fabricated, and mechanically tested for the purpose.

키워드

참고문헌

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피인용 문헌

  1. Concept Development and Review of Current Technical Issues for SFR Steam Generator vol.35, pp.9, 2011, https://doi.org/10.3795/KSME-A.2011.35.9.1083
  2. Comparison of the Friction-Loss Coefficient for the Gap of Two Contact Surfaces and a Crack vol.35, pp.10, 2011, https://doi.org/10.3795/KSME-B.2011.35.10.1075