한국전산유체공학회지 (Journal of computational fluids engineering)

한국전산유체공학회 (Korean Society of Computational Fluids Engineering)
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노심보충수탱크의 직접접촉응축에 대한 MARS의 계산능력평가

ASSESSMENT OF MARS FOR DIRECT CONTACT CONDENSATION IN THE CORE MAKE-UP TANK

  • 박근태 (한국원자력연구원, 열수력안전연구부) ;
  • 박익규 (한국원자력연구원, 열수력안전연구부) ;
  • 이승욱 (한국원자력연구원, 열수력안전연구부) ;
  • 박현식 (한국원자력연구원, 열수력안전연구부)
  • Park, Keun Tae (Korea Atomic Energy Research Institute, Thermal Hydraulics Safety Research Division) ;
  • Park, Ik Kyu (Korea Atomic Energy Research Institute, Thermal Hydraulics Safety Research Division) ;
  • Lee, Seung Wook (Korea Atomic Energy Research Institute, Thermal Hydraulics Safety Research Division) ;
  • Park, Hyun Sik (Korea Atomic Energy Research Institute, Thermal Hydraulics Safety Research Division)
  • 투고 : 2013.12.31
  • 심사 : 2014.03.05
  • 발행 : 2014.03.31
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초록

This study aimed at assessing the analysis capability of thermal-hydraulic computer code, MARS for the behaviors of the core make-up tank (CMT). The sensitivity study on the nodalization to simulate the CMT was conducted, and the MARS calculations were compared with KAIST experimental data and RELAP5/MOD3.3 calculations. The 12-node model was fixed through a nodalization study to investigate the effect of the number of nodes in the CMT (2-, 4-, 8-, 12-, 16-node). The sensitivity studies on various parameters, such as water subcooling of the CMT, steam pressure, and natural circulation flow were done. MARS calculations were reasonable in the injection time and the effects of several parameters on the CMT behaviors even though the mesh-dependency should be properly treated for reactor applications.

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과제정보

연구 과제 주관 기관 : 한국연구재단, 한국방사선안전재단

참고문헌

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