Evaluation of Debris Transport on Containment Floor during Pool Filling-up to Continuous Flow Phase Following a LOCA

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概要

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• For the purpose of evaluation of debris transport on containment floor of nuclear power plants, a model to calculate the transient flow field on the floor is developed. Two-dimensional shallow water equation (SWE) is solved by finite volume method (FVM) with unstructured triangular grid. The predictor-corrector method with an approximate Riemann solver of the Harten-Lax-van Leer (HLL) scheme is used to reserve second order accuracy in time and to capture water spreading on dry bed. An experiment of a dam-break is simulated. The present model is also applied in the calculation of the flow field of actual containment and the prediction result is discussed in terms of the transient behavior including the water spreading and the transient flow rates entering the Holdup Volume Tank (HVT).

• 一般社団法人日本機械学会・社団法人日本伝熱学会の論文

著者

• BANG YOUNG

  Korea University Anam Hospital

• Lee Gil

  Korea Institute Of Industrial Technology Rare Metal Research Group

• LEE Gil

  Korea Institute of Nuclear Safety

• HUH Byung

  Korea Institute of Nuclear Safety

• CHOI Yong-Seok

  Korea Institute of Nuclear Safety

• OH Deog-Yeon

  Korea Institute of Nuclear Safety

• WOO Sweng-Woong

  Korea Institute of Nuclear Safety

• BANG Young

  Korea Institute of Nuclear Safety

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• Evaluation of Debris Transport on Containment Floor during Pool Filling-up to Continuous Flow Phase Following a LOCA

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