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In October 2023, JET set its final fusion energy record, producing 69.29 megajoules over 6 seconds from only 0.21 mg of D-T fuel. [ 41 ] [ 42 ] In November 2023, a petition asking that JET not be closed was started, with scientists fearing a research time gap and personnel loss between JET's closure and the start of ITER's operations. [ 4 ]
JT-60 (short for Japan Torus-60) is a large research tokamak, the flagship of the Japanese National Institute for Quantum Science and Technology's fusion energy directorate. As of 2023 the device is known as JT-60SA and is the largest operational superconducting tokamak in the world, [ 1 ] built and operated jointly by the European Union and ...
The Culham Centre for Fusion Energy (CCFE) is the UK's national laboratory for fusion research.It is located at the Culham Science Centre, near Culham, Oxfordshire, and is the site of the Mega Ampere Spherical Tokamak (MAST) and the now closed Joint European Torus (JET) and Small Tight Aspect Ratio Tokamak (START).
The current record for highest Q in a tokamak (as recorded during actual D-T fusion) was set by JET at Q = 0.67 in 1997. The record for Q ext (the theoretical Q value of D-T fusion as extrapolated from D-D results) in a tokamak is held by JT-60 , with Q ext = 1.25, slightly besting JET's earlier Q ext = 1.14.
In 2021, JET sustained Q = 0.33 for 5 seconds and produced 59 megajoules of energy, beating the record 21.7 megajoules released in 1997 over around 4 seconds. [ 4 ] One of the challenges of MCF research is the development and extrapolation of plasma scenarios to power plant conditions, where good fusion performance and energy confinement must ...
The JT-60 tokamak in Japan produced a high performance reversed shear plasma with the equivalent fusion amplification factor of 1.25 - the current world record of Q, fusion energy gain factor. Results of European-based study of heavy ion driven fusion power system (HIDIF, GSI-98-06) incorporates telescoping beams of multiple isotopic species.
Tokamak Energy Ltd: Spherical tokamak capable of 15min-pulsed operation [56] [57] ST-E1: Planned: 2030s? Culham: Tokamak Energy Ltd: Spherical tokamak with 200 MW planned net electric output [58] STEP (Spherical Tokamak for Energy Production) Planned: 2032-2040: 2040 D-D Mid 2040s DT Campaign: West Burton, Nottinghamshire: United Kingdom Atomic ...
The design was based on Tokamak Physics Experiment, which was based on Compact Ignition Tokamak design – See Robert J. Goldston. 1995 – Started Project KSTAR; 1997 – JET of EU emits 17 MW energy from itself. 1998 – JT-60U went beyond energy junction successfully and acknowledged the possibility of commercialization of nuclear fusion.