TY - GEN
T1 - Prediction of boiling water reactor assembly void distributions using a two-phase computational fluid dynamics model
AU - Pointer, W. David
AU - Tentner, Adrian
AU - Sofu, Tanju
AU - Lo, Simon
AU - Splawski, Andrew
PY - 2008
Y1 - 2008
N2 - This paper presents recent results obtained as part of the on-going integral validation of an advanced Eulerian-Eulerian two-phase (E2P) computational fluid dynamics based boiling model that allows the detailed analysis of the two-phase flow and heat transfer phenomena in a Boiling Water Reactor (BWR) fuel assembly. The code is being developed as a customized module built on the foundation of the commercial CFD-code STAR-CD which provides general two-phase flow modeling capabilities. Simulations of a prototypic BWR fuel assembly experiment have been completed as an initial assessment of the applicability of the E2P model to realistic BWR geometries and conditions. Initial validation has focused on comparison with measured sub-channel averaged data to enable the benchmarking of the accuracy of the E2P against the current predictive capabilities of the sub-channel methods. The paper will discuss the effects of modeling assumptions, assumed coefficient values and the computational mesh structure used to describe the fuel assembly geometry on the accuracy of the sub-channel averaged void fraction.
AB - This paper presents recent results obtained as part of the on-going integral validation of an advanced Eulerian-Eulerian two-phase (E2P) computational fluid dynamics based boiling model that allows the detailed analysis of the two-phase flow and heat transfer phenomena in a Boiling Water Reactor (BWR) fuel assembly. The code is being developed as a customized module built on the foundation of the commercial CFD-code STAR-CD which provides general two-phase flow modeling capabilities. Simulations of a prototypic BWR fuel assembly experiment have been completed as an initial assessment of the applicability of the E2P model to realistic BWR geometries and conditions. Initial validation has focused on comparison with measured sub-channel averaged data to enable the benchmarking of the accuracy of the E2P against the current predictive capabilities of the sub-channel methods. The paper will discuss the effects of modeling assumptions, assumed coefficient values and the computational mesh structure used to describe the fuel assembly geometry on the accuracy of the sub-channel averaged void fraction.
UR - http://www.scopus.com/inward/record.url?scp=70249128341&partnerID=8YFLogxK
U2 - 10.1115/ICONE16-48452
DO - 10.1115/ICONE16-48452
M3 - Conference contribution
AN - SCOPUS:70249128341
SN - 0791848159
SN - 9780791848159
T3 - International Conference on Nuclear Engineering, Proceedings, ICONE
SP - 321
EP - 329
BT - 2008 Proceedings of the 16th International Conference on Nuclear Engineering, ICONE16
T2 - 16th International Conference on Nuclear Engineering, ICONE16 2008
Y2 - 11 May 2008 through 15 May 2008
ER -