SERPENT/SUBCHANFLOW COUPLED CALCULATIONS FOR A VVER CORE AT HOT FULL POWER Diego Ferraro, Manuel García, Uwe Imke, Ville Valtavirta, Riku Tuominen, Yuri Bilodid, Jaakko Leppänen and Víctor Sanchez-Espinoza EPJ Web Conf., 247 (2021) 04006 Published online: 22 February 2021 DOI: 10.1051/epjconf/202124704006