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In 1997, JET set the record for the closest approach to scientific breakeven. It attained Q = 0.67, producing 16 MW of fusion energy while injecting 24 MW of thermal power to heat the fuel, [26] a record that endured until 2021. [27] [28] This was also the record for greatest fusion power produced. [29] [30] In 1998, JET's engineers developed a ...
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 ...
This led to the adoption of the tokamak by the majority of fusion research establishments internationally. In 1977, following protracted negotiations, Culham was chosen as the site for the Joint European Torus (JET) tokamak. [3] Construction began in 1978 and was completed on time and on budget, with first plasma in June 1983.
The current record of fusion power generated by MCF devices is held by JET. In 1997, JET set the record of 16 megawatts of transient fusion power with a gain factor of Q = 0.62 and 4 megawatts steady state fusion power with Q = 0.18 for 4 seconds. [3] In 2021, JET sustained Q = 0.33 for 5 seconds and produced 59 megajoules of energy, beating ...
TFTR (Tokamak Fusion Test Reactor) [10] Shut down: 1980–1982: 1982–1997: Princeton: Princeton Plasma Physics Laboratory: 2.4 m / 0.8 m: 5.9 T: 3 MA: Attempted scientific break-even, reached record fusion power of 10.7 MW and temperature of 510 MK: Tokamak de Varennes (TdeV) Shut down? 1983–1997: Montreal: National Research Council Canada ...
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.
After the cancellation of the Compact Ignition Tokamak in 1991, the United States Department of Energy directed the US fusion program to find ways to improve the tokamak. In 1993, a conceptual design review was held for TPX in 1993, finalizing the conceptual design.
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.