Talk:JT-60

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Record temperature

seems the record for ion temperature has been broken...[1] [2]

the z machine has reached 2 GK, apparantly; beating 520 MK. could someone verify this? cheers - mastodon 18:01, 10 March 2006 (UTC)[reply]

The result is real, as far as experts can tell. However, you should give mention to the fact that 520 MK is still the best value for a system with long magnetic confinement times.Danielfong 06:53, 13 March 2006 (UTC)[reply]

EAST

China's new EAST fusion reactor uses Tritium so I included it in the list of Deuterium-Tritium using reactors. 205.188.116.13 17:31, 21 October 2006 (UTC)[reply]

I removed the new EAST fusion reactor from the list of Deuterium-Tritium using reactors based upon a NewScientist interview (http://www.newscientistspace.com/article.ns?id=mg19225723.100) with Jiangang Li, director of the Institute of Plasma Physics in Hefei, Anhui province that refuted the official Chinese government reports that Tritium was used (as well as several additional statements). 205.188.116.13 17:47, 21 October 2006 (UTC)[reply]

JT-60U, what changed

From about 1996 it seems to be called JT-60U (is that Upgrade?) on the website.[3] - Rod57 (talk) 04:23, 16 February 2016 (UTC)[reply]

They say JT-60 Upgrade replaced and reused parts of the JT-60 - so perhaps we could list the parts and parameters that changed. - Rod57 (talk) 12:58, 25 January 2018 (UTC)[reply]

JT-60SA

Superconducting, Advanced. We should give more details on this too. Article currently uses the 2007 plans. Needs update. and were the delays due to ITER being delayed ? - Rod57 (talk) 14:16, 25 January 2018 (UTC)[reply]

maybe a small table comparing size, cost, plasma volume, max field in plasma, and at the magnets, with ITER. - Rod57 (talk) 13:22, 2 December 2023 (UTC)[reply]

JT-60U (Upgrade)

I think there is an error here and I would like to ask for feedback:

During deuterium (D–D fuel) plasma experiments in 1998, plasma conditions were achieved which would have achieved break-even—the point where the power produced by the fusion reactions equals the power supplied to operate the machine—if the D–D fuel were replaced with a 1:1 mix of deuterium and tritium (D–T fuel). JT-60 does not have the facilities to handle tritium; only the JET tokamak in the United Kingdom has such facilities as of 2018. In fusion terminology, JT-60 achieved conditions which in D–T would have provided a fusion energy gain factor (the ratio of fusion power to input power) Q = 1.25.[8][9][10]

If JT60 would have achieved a fusion energy gain factor of DT equivalent of Q=1.25, then the phrase "equals the power supplied to operate the machine" is wrong and should be replaced with "equals the thermal power injected into the plasma."

StevenBKrivit (talk) 04:19, 6 December 2023 (UTC)[reply]

RFC for Proposed Edit

FROM "equals the power supplied to operate the machine"

TO "equals the thermal power injected into the plasma"

StevenBKrivit (talk) 18:22, 8 December 2023 (UTC)[reply]