Simulation of THAI HD-12 and HD-22 With the Flame Front Model of ASTEC Using Different Correlations for the Turbulent Burning Velocity
NURETH-14 - 2011 September 25-30


Presented at:
NURETH-14
2011 September 25-30
Location:
Toronto, Canada
Session Title:
C8-2 Advanced Design Features for Severe Accident Mitigation including Combustion and Fires

Authors:
Thimo Brähler (Ruhr-Universität Bochum)
Hermann-Josef Wagner (Ruhr-Universität Bochum)
Marco K. Koch (Ruhr-Universität Bochum)
  

Abstract

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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