UK Fusion Programme

Lead Research Organisation: CCFE/UKAEA
Department Name: Culham Centre for Fusion Energy

Abstract

Fusion is the energy-releasing process that powers the sun and other stars. If it can be harnessed economically on earth it would be an essentially limitless source of safe, environmentally responsible energy. Fusion energy is therefore strongly mission-orientated. The most promising method uses strong magnetic fields in a tokamak configuration to allow a high temperature deuterium-tritium plasma to be generated while minimising contact with the surrounding material surfaces.The UK contributes to fusion research in two ways: (i) through the UK's own programme focused on the spherical tokamak experiment MAST, and (ii) by contributing to the Joint European Torus (JET) programme. The MAST and JET facilities are situated at Culham Science Centre. International co-operation is strong with the focus on the International Tokamak Experimental Reactor (ITER), which will be the first fusion device to achieve energy gain and sustained burn.Experimental programmes on the MAST and JET tokamaks are performed to help resolve and refine understanding of key physics issues for ITER. In addition, experimental programmes on MAST focus on testing the potential of the spherical tokamak as a more compact option for future fusion devices. A strong theory and modelling group supports the experimental programmes and contributes to the research and development of fusion materials and to studies of conceptual fusion power stations. Expansion of the research and development of ITER specialist (i.e. diagnostic and heating) systems, focuses on securing major roles for the UK in the provision of two or three of these large complex projects.The results of the research are presented in reports and publications, and at conferences, expert groups and specialist committees. Collaborations with researchers in other areas of science and technologies are pursued strongly, where the research overlaps with fusion R&D.

Publications

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Walsh M (2006) Design challenges and analysis of the ITER core LIDAR Thomson scattering system in Review of Scientific Instruments

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Cruz N (2006) JET real-time project test-bench software structure in Fusion Engineering and Design

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Connor J (2006) Stability of the trapped electron mode in steep density and temperature gradients in Plasma Physics and Controlled Fusion

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Mahajan S (2006) Exact two-body bound states with Coulomb repulsion in a periodic potential in Journal of Physics A: Mathematical and General

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Sircombe N (2006) Aspects of electron acoustic wave physics in laser backscatter from plasmas in Plasma Physics and Controlled Fusion

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Weisen H (2006) Scaling of density peaking in JET H-modes and implications for ITER in Plasma Physics and Controlled Fusion

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Dieckmann M (2006) Two-stream instability in collisionless shocks and foreshock in Plasma Physics and Controlled Fusion

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Borba D (2006) Confinement transitions (H-mode) in JET inner wall limiter plasmas in Plasma Physics and Controlled Fusion

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Boswell C (2006) Observation and explanation of the JET chirping mode in Physics Letters A

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Rozhansky V (2006) Modelling of radial electric field profile for different divertor configurations in Plasma Physics and Controlled Fusion

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Murari A (2006) Fuzzy logic and support vector machine approaches to regime identification in JET in IEEE Transactions on Plasma Science

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Darrow D (2006) Initial results from the lost alpha diagnostics on Joint European Torus in Review of Scientific Instruments

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Ahn J (2006) L-mode SOL width scaling in the MAST spherical tokamak in Plasma Physics and Controlled Fusion

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Scannell R (2006) Enhanced edge Thomson scattering on MAST in Review of Scientific Instruments

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Gryaznevich M (2006) Plasma formation in START and MAST spherical tokamaks in Nuclear Fusion

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Dnestrovskij Y (2006) Self-consistency of pressure profiles in tokamaks in Nuclear Fusion

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Eriksson L (2006) On ion cyclotron current drive for sawtooth control in Nuclear Fusion

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Stammers K (2006) The calibration of the MAST neutron yield monitors in Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment