![]() ![]() SMRs, by design, need fewer staff for location assembly, maintenance and operation. This can contribute to reduced build costs and increased containment efficiency. These are particularly useful for power generation in remote locations. The main advantage of SMRs is that they can be manufactured off-site. What are the Advantages and Disadvantages? This includes the reactor core, steam generators and associated safety systems, all of which are within a separate containment structure. The Reactor Island houses all of the nuclear systems. For example, the thermal energy heats water into steam, which then powers a turbine, generating electrical power. Like conventional nuclear reactors, small modular reactors harness thermal energy to generate electrical power. To date, most operating nuclear reactors use the thermal-neutron approach. Typically, fast-neutron reactors use plutonium as fissile material. Fast-neutron reactors do not use moderators and rely on the nuclear fuel being able to absorb neutrons travelling at higher speeds. Thermal-neutron reactors rely on a moderator to slow the travelling speed of the neutrons and primarily use uranium as the fissile material. The difference between the two is the speed in which the neutrons flow. This causes a chain reaction, which needs to be sustained to generate nuclear power.ĭesigns include thermal-neutron reactors and fast-neutron reactors. The split atom releases large amounts of energy in the form of heat and radiation. Nuclear fission is the process by which the nucleus of an atom splits into two or more smaller, lighter nuclei. These types of reactors currently use nuclear fission as the basis for producing energy. How Does a Small Modular Reactor Work (Fundamentals)? This will enable the UK to lead new advanced nuclear markets while contributing to tackling the Clean Growth Grand Challenge. This strategy builds on existing experience, economic strengths and competitive advantages. ![]() The UK government sees the advanced nuclear sector as playing an important part in the UK’s industrial growth strategy. Generation 4 and beyond Advanced Modular Reactors (AMRs) these use innovative cooling systems or fuels to offer new functionality, such as higher operating temperatures, and step change reduction in costs.Generation 3 water-cooled Small Modular Reactor's these are similar to existing reactors, but on a smaller scale. ![]()
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