Conference Proceedings Paper
Multidimensional Boron Transport Modeling in Subchannel Approach
NURETH-14 - 2011 September 25-30
Ozkan Emre Ozdemir (The Pennsylvania State University)
Maria Avramova (The Pennsylvania State University)
Kenya Sato (Mitsubishi Heavy Industries, LTD.)
The main objective of this study is to implement a solute tracking model into the subchannel code CTF
for simulations of boric acid transients. Previously, three different boron tracking models have been
implemented into CTF and based on the applied analytical and nodal sensitivity studies the Modified
Godunov Scheme approach with a physical diffusion term has been selected as the most accurate and
best estimate solution . This paper will present the implementation of a multidimensional boron
transport modeling with Modified Godunov Scheme within a thermal-hydraulic code based on a
subchannel approach. Based on the cross flow mechanism in a multiple-subchannel rod bundle
geometry, heat transfer and lateral pressure drop effects will be discussed in deboration and boration
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