AUTHOR=Huaccho Zavala Gianfranco , Gheeraert Thomas , Sánchez-Espinoza Victor Hugo , Almachi Juan Carlos , Imke Uwe TITLE=Coupled serpent/subchanflow analysis with unstructured mesh interfaces for a hexagonal, plate-type VVR-KN fuel assembly JOURNAL=Frontiers in Nuclear Engineering VOLUME=Volume 4 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/nuclear-engineering/articles/10.3389/fnuen.2025.1570855 DOI=10.3389/fnuen.2025.1570855 ISSN=2813-3412