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UKAEA-RACE-PR(26)092025
Industrial applications involving hazardous materials often require inspection within confined interiors, posing significant engineering challenges due to restricted access and complex geometries. Long-reach mechatronic systems are essential for these tasks, yet their kinematic design is typically ad hoc. This paper presents a task-driven design sy…
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UKAEA-CCFE-PR(26)4222025
Dedicated experiments were conducted on Alfvénic instabilities in the ion sub-cyclotron frequency range excited by energetic beam ions in the MAST-Upgrade tokamak. Losses of the beam ions associated with plasma instabilities were measured with a scintillator-type fast ion lost detector (FILD), which provided a 2D image of the losses as functions o…
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UKAEA-CCFE-PR(26)4212025
The competing requirements of fusion breeder blankets and the high dimensionality of their design space necessitate a systematic treatment to map the variations in performance against given objective metrics and to understand the operational envelope. In this endeavour, a digital engineering pipeline for design evaluation and optimisation has be…
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UKAEA-CCFE-PR(26)4202026
The contributions in magnetic fusion theory presented at the 30th IAEA Fusion Energy Conference (FEC 2025) are summarized. This summary provides information on novel ideas and briefly reviews the most recent advances along the main avenues of the research, such as plasma integrated modelling, computational physics and application of arti…
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UKAEA-RACE-PR(26)082025
In scenarios involving radiation such as decommissioning of nuclear disasters and operating nuclear power plants, it is necessary to perform tasks including maintenance, demolition, and inspection using robots in order to protect human workers from harm. LIDAR (LIght Detection And Ranging) sensors are used for many demanding real-time tasks in robo…
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UKAEA-RACE-CP(26)012025
This paper presents the development of a multi-degree-of-freedom (DOF) additive manufacturing system for automated in-situ repair of plasma-facing components within tokamak reactors. The system integrates a 3-DOF delta robot and two 6-DOF collaborative robotic arms to address the challenges of maintaining complex in-vessel components. Two case stud…
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UKAEA-CCFE-CP(26)372025
Recent results from MAST Upgrade are presented, emphasising understanding the capabilities of this new device and deepening understanding of key physics issues for the operation of ITER and the design of future fusion power plants. The impact of MHD instabilities on fast ion confinement have been studied, including the first observation of fast i…
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UKAEA-CCFE-PR(26)4192025
Materials used in commercial D-T fusion reactors will be exposed to irradiation and a mixture of helium and hydrogen plasma. Modeling the microstructural evolution of such materials requires the use of large-scale molecular dynamics simulations. The focus of this study is to develop a fast EAM potential for the interactions among the three elements…
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UKAEA-CCFE-PR(26)4182025
Future fusion power plants require structural materials that can withstand extreme operating conditions, including high coolant outlet temperatures, mechanical loading, and radiation damage. Reduced-activation ferritic martensitic (RAFM) steels are a primary candidate as a structural material for such applications. This study demonstrates the succe…
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UKAEA-CCFE-PR(26)4172025
Two ferritic Oxide Dispersion Strengthened (ODS) steels Fe-12Cr-YWT and Fe-14Cr-YWT were irradiated in the High Flux Reactor (HFR) up to 3 dpa at a nominal temperature of 600°C. Tensile tests at room and elevated temperatures as well as microstructural investigations using transmission electron microscopy (TEM) and atom probe tomography (APT) were…
Showing 11 - 20 of 2525 UKAEA Paper Results