A Particle Tracking Model to Predict the Debris Transport on the Containment Floor

YOUNG SEOK BANG; GIL SOO LEE; BYUNG-GIL HUH; DEOG-YEON OH; SWENG-WOONG WOO

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자료유형: 학술저널

저자정보: YOUNG SEOK BANG GIL SOO LEE BYUNG-GIL HUH DEOG-YEON OH SWENG-WOONG WOO

저널정보: 한국원자력학회 Nuclear Engineering and Technology Nuclear Engineering and Technology 제42권 제2호

발행연도: 2010.1

수록면: 211 - 218 (8page)

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An analysis model on debris transport in the containment floor of pressurized water reactors is developed in which the flow field is calculated by Eulerian conservation equations of mass and momentum and the debris particles are traced by Lagrange equations of motion using the pre-determined flow field data. For the flow field calculation, two-dimensional Shallow Water Equations derived from Navier Stokes equations are solved using the Finite Volume Method, and the Harten-Lax-van Leer scheme is used for accuracy to capture the dry-to-wet interface. For the debris tracing, a simplified twodimensional Lagrangian particle tracking model including drag force is developed. Advanced schemes to find the positions of particles over the containment floor and to determine the position of particles reflected from the solid wall are implemented. The present model is applied to calculate the transport fraction to the Hold-up Volume Tank in Advanced Power Reactors 1400. By the present model, the debris transport fraction is predicted, and the effect of particle density and particle size on transport is investigated.

#Debris Transport #Largrangian Particle Tracking #Containment Floor #APR1400

참고문헌 (15)

참고문헌 신청

A. Harten / 1983 / On Upstream Differencing and Godunov-type Schemes for Hyperbolic Conservation Laws / SIAM Review 25 : 1 ~

Atsushi Ui / 2006 / Development of a Numerical Method for Flooding Flow and Transport of LOCA-Generated Debris to Sump Screens / 5th Korea-Japan Symposium on Nuclear Thermal Hydra

Cain, S.A / 2005 / CFD Simulation of Debris Transport in a PWR Reactor Sump Following a Loss of Coolant Event / ASME International Mechanical Engineering Congress and Exposition

E. Krepper / 2008 / Numerical and Experimental Investigations for Insulation Particle Transport Phenomena in Water Flow / Annals of Nuclear Energy 35 : 1564 ~

G. Gottardi / 2004 / Central Scheme for Two- Dimensional Dam-break Flow Simulation / Advances in Water Resources 27

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