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UKAEA-CCFE-PR(25)3212025
Clean energy from nuclear fusion requires the development of an efficient technology for hydrogen isotope separation capable of high separation efficiency with lower energy costs and lower tritium inventory. Isotope separation using adsorbents such as zeolites and MOFs shows great promise due to their high isotope selectivity, but are limited to ve…
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UKAEA-CCFE-PR(24)2632024
Originally designed for five years of plasma operations, the JET Far Infrared (FIR) interferometer/polarimeter diagnostic system is still operating at its full capabilities nearly forty years later and in ITER relevant conditions, albeit with significantly lower neutron fluences and for several D-T campaigns. The original design changed substant…
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UKAEA-STEP-PR(24)112024
The Spherical Tokamak for Energy Production (STEP) programme is a world-leading fusion power plant programme that has embedded a cost conscience in its design from the early phases. This firmly addresses the attitude of cost complacency of which many major infrastructure projects have historically been accused. While detailed an…
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UKAEA-CCFE-CP(25)162023
Permeation of hydrogen isotopes, especially tritium, is expected to be a major challenge for future fusion reactors due to the high temperatures expected. Countless permeation experiments have been performed with the aim to study hydrogen permeation and permeation barriers, varying in many ways: the materials used, the experimental conditions under…
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UKAEA-CCFE-PR(23)1892023
The separation of hydrogen isotopes is a vital step in preparing tritium and deuterium fuels for future fusion energy plants. This represents a fundamental challenge to fusion energy since the separation process must be able to handle high throughputs of hydrogen isotopes with a low tritium inventory, as tritium is highly radioactive and hazardo…
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UKAEA-STEP-PR(23)132023
Developments in fusion energy technology and the aspiration to build and run commercial fusion energy power plants has seen the commencement of numerous publicly and privately funded projects in recent years. Megaprojects, like fusion power plants, by their very nature are inherently complex and risky, therefore providing a robust cost estimate in …
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UKAEA-CCFE-PR(23)1112022
We present the benchmarking, validation, and results of an approximate, analytic model for the radial profile of the stress, strain, and displacement within the toroidal field (TF) coil of a Tokamak at the inner midplane, where stress management is of the most concern. The model is designed to have high execution speed yet capture the essential …
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CCFE-PR(16)322016
A Fusion Nuclear Science Facility (FNSF) could play an important role in the development of fusion energy by providing the nuclear environment needed to develop fusion materials and components. The spherical torus/tokamak (ST) is a leading candidate for an FNSF due to its potentially high neutron wall loading and modular configuration. A key consid…
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