TY - RPRT TI - Serpent - Bison - THM Preliminary Multiphysics Modeling of a Nuclear Thermal Propulsion System Fuel Assembly AU - DeHart, Mark D [Idaho National Laboratory] (ORCID:0000000246864301) AU - Terlizzi, Stefano [University Collaborator] AU - Naupa Aguirre, Isaac Emanuel [Idaho National Laboratory] PY - 2025 UR - https://www.osti.gov/biblio/3024113 ID - 3024113 ER -