Experimental and MARS Code Simulations of DVI Line 25% and 50% Break LOCAs Using SNUF for APR1400
NURETH-14 - 2011 September 25-30

Presented at:
2011 September 25-30
Toronto, Canada
Session Title:
F6-2 Integral Testing

Xinguo Yu (Seoul National University)
Keohyoung Lee (Seoul National University)
Gooncherl Park (Seoul National University)


In this paper the simulation of the tests THAI HD-12 and HD-22 with the flame front model (FRONT) of ASTEC using different approaches for the turbulent burning velocity is treated. Results of the simulations depend on the estimation of the turbulence intensity. Applying only one parameter set, the correlations indicate different behaviours. To show the influence of the turbulence intensity parameter, these were varied and thus, a good agreement to the experi- ment can be achieved with each correlation. In addition, a recommendation for the models parameter will be given for the actual used correlation according to Peters.

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