Thermal Hydraulic Experiments and Code Validation for LWR SMRs within the European McSAFER Project: Overview of Activities and Current Status - Suikkanen H; Telkkä J; Kouhia V; Gabriel S; Albrecht G; Heiler W; Heineken F; Sanchez-Espinoza VH; Li H; Grishchenko D; Bencik M; Vyskocil L; et al. (Proceedings Of The 20th International Topical Meeting On Nuclear Reactor Thermal Hydraulics, Nureth 2023, 2023)