Journal of computational fluids engineering (한국전산유체공학회지)

Korean Society of Computational Fluids Engineering (한국전산유체공학회)
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ANALYSIS ON FLOW FIELDS IN AIRFLOW PATH OF CONCRETE DRY STORAGE CASK USING FLUENT CODE

FLUENT를 활용한 콘크리트 건식 저장용기 공기유로 내부 유동장 해석

  • Kang, G.U. (Research & Development Institute, Korea Radioactive Waste Agency) ;
  • Kim, H.J. (Research & Development Institute, Korea Radioactive Waste Agency) ;
  • Cho, C.H. (Research & Development Institute, Korea Radioactive Waste Agency)
  • 강경욱 (한국원자력환경공단 기술연구소) ;
  • 김형진 (한국원자력환경공단 기술연구소) ;
  • 조천형 (한국원자력환경공단 기술연구소)
  • Received : 2016.04.04
  • Accepted : 2016.05.31
  • Published : 2016.06.30
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Abstract

This study investigated natural convection flow behavior in airflow path designed in concrete dry storage cask to remove the decay heat from spent nuclear fuels. Using FLUENT 16.1 code, thermal analysis for natural convection was carried out for three dimensional, 1/4 symmetry model under the normal condition that inlet ducts are 100% open. The maximum temperatures on other components except the fuel regions were satisfied with allowable values suggested in nuclear regulation-1536. From velocity and temperature distributions along the flow direction, the flow behavior in horizontal duct of air inlet and outlet duct, annular flow-path and bent pipe was delineated in detail. Theses results will be used as the theoretical background for the composing of airflow path for the designing of passive heat removal system by understanding the flow phenomena in airflow path.

Keywords

References

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  1. 사용후핵연료 집합체의 다공성 매질 적용영역에 따른 콘크리트 저장용기 열전달 해석 vol.21, pp.4, 2016, https://doi.org/10.6112/kscfe.2016.21.4.033