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Zeito
Zeito
Sounds very interesting, we were jsut talking about Tokamak reactors the other day in work. Get some pics if you can and ask how long it can run for and at what output, how much energy does it take to start and do they think they'll be able to get it running long enough to output more power than it takes to start.

Oh and ask them what the implications are for fusion reactors and tokamak projects now that the UK is officially leaving the EU and will lose easy access to scentific funding and resources!

Smith
Smith
Will do. I'm almost certain JET isn't aiming to get more energy out, they're testing parts for ITER I believe which should do it.

Namron
Namron
Didn't we leave the EU?

Zeito
Zeito
Smith
Smith
@Zeito They tend to do 4x 30 second impulses of plasma every hour when running. They need so much power during that 30 seconds that they use up 1% of the entire national grid's output. Infact, if the grid is experiencing high load they cannot turn the reactor on, otherwise the frequency of the national grid itself would drop and cause power plants across the grid to drop down.

Also, they tend to do different types of experiments. The max they have done so for is 0.6 Q, getting out 16MeV for a 24MeV input. This is the current world record. They're focusing now on getting values of around 12MeV over a long period of time rather than these incredibly energetic but short bursts which don't really achieve much. So yes, they could probably get more energy out than in but it wouldn't be worth trying that kind of running operation when confinement time is more useful to improve on atm.

The outlook in the short term is to just keep going and see what JET holds, however our position in charge is undoubtedly going out the window if we leave the EU.

They've had issues with their heating systems recently which means they are in a down-time phase for improvements. Hopefulyl fixed soon, with Tritium fusion resuming in early 2019. They has seen however that the exhaust system ITER is being built with will have alot of problems, like the one they currently have.

Zeito
Zeito
That's an impressive drain of power for the startup and run time!

The physics of it is so beyond the scope of my understanding, but it's incredibly interesting - the scientific achievements and technology we can create. 

It's a shame it's not a question of 'if' but 'when' we leave the EU, but no doubt we'll keep a place in european and world science fronts, even if it is more backseat.

Smith
Smith
Oh yeah, sadly we are looking to be as involved in Switzerland. Switzerland until a few weeks ago had no input whatsoever as they had such strict laws on freedom of movement, the same types of laws we are looking to have.

Zeito
Zeito
What's your stake in nuclear physics? Professional or just an interest?

Smith
Smith
Student at university currently studying theoretical physics MSci looking to transition in nuclear post-grad

and specifically aiming to work at ITER, hopefully that'll still be possible

Zeito
Zeito
Awesome, you must be one smart cookie! I hope all the studies go well, you're our scientific future! 

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