Akifumi Yamaji is a Professor at Waseda University 's Faculty of Science and Engineering, with a distinguished career in nuclear engineering and reactor physics. His work focuses on severe accident analysis , fuel performance , and advanced reactor design , particularly for supercritical water-cooled reactors and fast breeder reactors . He leads projects using the Moving Particle Semi-implicit (MPS) method for simulating molten core behavior and debris interactions. Education: Ph.D. from the University of Tokyo's Department of Quantum Engineering and Systems Science. Awards: Waseda University Teaching Award (2020), Atomic Energy Society of Japan Thermal Hydraulics Division Award (2018), JNST Most Cited Article Award (2013), and AESJ Emerging Technology Award (2007). Research Interests span reactor physics, accident tolerant fuels, computational fluid dynamics, and molten corium behavior during severe accidents. His studies often integrate experimental validation with advanced numerical methods to improve reactor safety and performance. Key Article Trends show extensive use of the MPS method for simulating corium spreading , debris cooling , and fuel cladding performance . Topics include supercritical water reactors , FeCrAl-ODS alloy development , and Fukushima Daiichi accident progression modeling . Scientific Awards Waseda University Teaching Award (2020) Atomic Energy Society of Japan Thermal Hydraulics Division Award (2018) JNST Most Cited Article Award (2013) Atomic Energy Society of Japan Emerging Technology Award (2007) Professional Leadership includes chairing the Fukushima Daiichi Accident Investigation Subcommittee and serving on the American Nuclear Society Untermeyer Cisler Reactor Technology Medal committee. He contributes to Generation IV International Forum and OECD Nuclear Energy Agency projects.








