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Breaking New Ground: JET Tokamak’s Latest Fusion

In a major scientific achievement, European researchers at the Joint European Torus (JET) facility have set a new world energy record of 69 megajoules released in sustained and controlled fusion energy.

The shots that broke JET’s previous fusion energy record came as a late addition to JET’s third and final run of deuterium-tritium experiments. The campaign was primarily designed as the first-ever opportunity to demonstrate that crucial operating scenarios for ITER will work in a deuterium-tritium environment with its abundant fusion reactions.

kv

 

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Breaking New Ground: JET Tokamak’s Latest Fusion





kv

Bravo.

That's what JET was designed for, a technology proving ground for ITER. JET never was and never will be a operational fusion reactor.

Perhaps even more interesting to me than the record is what we have achieved in terms of operating scenarios for ITER”, says the Head of EUROfusion’s Tokamak Exploitation Task Force, Emmanuel Joffrin from the French EUROfusion member CEA. “Not only did we demonstrate how to soften the harsh heat flowing from the plasma to the exhaust, we also showed in JET how we can get the plasma edge into a stable state thus preventing bursts of energy reaching the wall. Both techniques are intended to protect the integrity of the walls of future machines. This is the first time that we’ve ever been able to test those scenarios in a deuterium-tritium environment.” Dedicated upgrades over the past decade have brought JET’s technical specifications as close as possible to those of ITER, allowing for studies that will enable that future machine to hit the ground running when it enters operation. Dr Fernanda Rimini, JET Senior Exploitation Manager, JET Scientific Operations Leader, said:

 

Here's a little bit more to that...


Using advanced scenarios to structure and control their plasma, the researchers
set a new fusion energy record of 69.26 megajoules of heat released during a
single pulse in JET. Released over six seconds from only 0.21 milligrams of fuel,
the energy record equals the energy released from burning 2 kilograms of coal. The
JET record is 20 times the amount of energy released in a recent shot at the U.S.
National Ignition Facility (NIF) at Lawrence Livermore National Laboratory in
October 2023, which used a different approach to fusion to produce more energy
than was absorbed by the fuel pellet. The new achievement by the EUROfusion team
breaks their previous world records of 59 megajoules (2022) and 22.7 megajoules
(1997), which were also set at JET. The scientists at JET were able to reliably
reproduce the necessary fusion conditions for the new record in multiple
experimental pulses, demonstrating the understanding and control they have
achieved over the complex fusion processes.

So the lights in my house finally lit for 6 seconds, then went out again

(Note we did actually have a power failure earlier this morning, where half the town went dark).

 

Princeton Lab pushes plasma limit with lithium in fusion breakthrough

​

Without a lithium-coated wall, many hydrogen atoms bounce back from the tokamak walls into the plasma. The PPPL researchers have previously shown that keeping this number low allows the plasma to remain hot at its edge and stable – while providing more room for movement inside the reactor.

 

Princeton Lab pushes plasma limit with lithium in fusion breakthrough
View attachment 318776​

Is there a media hype button called fusion breakthrough?

 

Is there a media hype button called fusion breakthrough?

Hype? ... in the Media?? ... nahhh...

 

‘Eerie-blue glow’ seen with nuclear fusion for the first time

​

Cherenkov radiation is observed when particles move faster than the speed of light in a specific medium like water. This might sound fundamentally wrong since nothing we know travels faster than light in a vacuum. However, light slows down in water, traveling at about 75 percent of its normal speed, while other particles continue to move at higher speeds.

 

‘Eerie-blue glow’ seen with nuclear fusion for the first time
View attachment 321233​

For many reasons I don't think this is the first time for a experimental fusion reaction but even if true, it's a meaningless fact for sustainable fusion reactions when you can detect high speed particles (neutron source) from tabletop level fusion devices. Fusion as a science is easy today, engineering a workable, positive net energy device that doesn't explode is what's hard.
https://cen.acs.org/articles/83/i18/Tabletop-Nuclear-Fusion-Device.html

 

Eureka!

 

Eureka!

interesting... but I'm going to hold my judgment here for a few weeks more ... when news come from IE ... I get a bit skeptical

 

Eureka!

Why does anyone read the crap on that website?

 

Why does anyone read the crap on that website?

I find your negativity disturbing...

 

“Whilst hot fusion struggles to produce net energy, catalyzed fusion technology is miles ahead, and offers a viable source of zero-emission, affordable energy to drive the global economy,” said Valeria Tyutina, CEO of ENG8.

https://matter2energy.wordpress.com/2023/11/06/eng8-is-bogus/

Tyutina’s bio blurb claims that she was part of the “Main board team, Gazprom”, with “20 years science and technology innovation”. But her LinkedIn profile is quite different, indeed. It shows that her first job was “running” a small company that made sleeping bags, followed by being a sales rep at a small Russian company, then consulting to a small clothing company.

This one is a real winner with loads of funny punch lines to laugh at.

 

Why does anyone read the crap on that website?

I've concluded that Interesting Engineering is the Babylon Bee of technology rags.

And it takes its fake news seriously.

It is fun to read: it makes you question your sanity.

 

I find your negativity disturbing...

Yeah but a double negative is a positive.
If you are negative about something that is already negative ... that's positive

 

catalyzed fusion technology is miles ahead

That's apparently the new name for cold fusion, which was debunked many years ago.

 

I've concluded that Interesting Engineering is the Babylon Bee of technology rags.

And it takes its fake news seriously.

It is fun to read: it makes you question your sanity.

https://interestingengineering.com/policies/fact-checking-policy
At Interesting Engineering our fact-checking process adheres to high journalistic standards and our primary commitment is to accuracy. We employ trained journalists and editors who are skilled in verifying information, detecting misinformation, and maintaining objectivity in their reporting.

RIGHT!

VS

https://babylonbee.com/about
The Babylon Bee is the world’s best satire site, totally inerrant in all its truth claims. We write satire about Christian stuff, political stuff, and everyday life.
The Babylon Bee was created ex nihilo on the eighth day of the creation week, exactly 6,000 years ago. We have been the premier news source through every major world event, from the Tower of Babel and the Exodus to the Reformation and the War of 1812.

The Babylon Bee is good stuff.

 

That's apparently the new name for cold fusion, which was debunked many years ago.

True.
https://forum.allaboutcircuits.com/threads/what-happened-to-cold-fusion.118210/post-942590

Cold Fusion?
.. nothing.

Cold Fusion was transformed into the E-CAT swindle (scam is too nice of a word for it) for a while.
https://forum.allaboutcircuits.com/threads/alternate-energy-sources.85362/post-612766
https://skepticalinquirer.org/2019/01/why-e-cat-is-a-hoax/?/si/show/why-e-cat-is-a-hoax/

Falling for Cold Fusion and E-Cat
With all the scientific evidence against it, why do people fall for cold fusion? The short answer is science illiteracy. The public, while enjoying the technology that is fundamentally based on modern science, is deplorably illiterate in the basic premises of science such as verifiability, repeatability, and evidence. Improving the science literacy of the public may reduce its gullibility, but other factors—especially those originating from scientists themselves—cannot be ignored. Ever since its birth, quantum mechanics has been infested with mysticism, especially of the Far Eastern kind, because of the philosophy of its founders. Bohr, Heisenberg, Pauli, and Schrödinger were all influenced by Arthur Schopenhauer, whose philosophy paralleled Buddhism and Hinduism. It is not an exaggeration to say that physicists themselves have delivered the most devastating blow to science literacy and the flourishing of modern pseudoscience.

I repeat some old words of mine.
https://forum.allaboutcircuits.com/threads/a-new-method-for-fusion.155383/post-1339606

That ITER experiment machine was intentionally designed as a monstrous white elephant and was expected to be entirely obsolete by the time it is completed. They are doing the basic science of controlled fusion with little thought of commercial success with the current version. That science might allow guys like LPPFUSION the theoretical background need to continue moving ahead around future problems.

 

At Interesting Engineering our fact-checking process adheres to high journalistic standards and our primary commitment is to accuracy. We employ trained journalists and editors who are skilled in verifying information, detecting misinformation, and maintaining objectivity in their reporting.

See? They take their fake news seriously.

 

See? They take their fake news seriously.