![]() As a consequence, even established reactor technologies need to incorporate penalizing safety margins into their design, in order to compensate for the limited understanding of thermal-hydraulics phenomena. At a fundamental physical level, the process of convective heat transfer is extremely complex and only partially understood at present, despite decades of extensive investigations. In fact, key to the design and safe operation of water-cooled nuclear reactors is the effective transfer of heat, which is achieved by convective heat transfer to and from the coolant water. ![]() Advanced Modular Reactors (AMR), with higher operating temperatures, to also contribute to the decarbonisation of other energy sectors.Ī thorough understanding of thermal-hydraulics is essential in light-water nuclear reactor technology. Small Modular Reactors (SMR), based on the same technology for additional flexibility to meet local energy needs. Large-scale Light Water Reactors (LWR), currently available, for baseload electricity generation. NIRAB's vision is for three streams of nuclear product development. The Nuclear Innovation and Advisory Board (NIRAB) advises to plan for nuclear energy to provide at least half of the firm low carbon electricity and also that nuclear power can contribute to the decarbonisation of other energy sectors. The UK government's commitment for net zero carbon emissions by 2050 will lead to a step increase in electricity demand, as well as the need to decarbonise a range of other energy uses. Nuclear power has been a vital part of the UK's energy mix, providing baseload electricity at around 21% of the UK's total supply, the largest single source of low carbon power. ![]() NUclear Fission REactor Thermal-Hydraulics (NUFRETH) ![]()
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