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Apr
7
awarded  Teacher
Mar
13
awarded  Nice Question
Aug
7
answered What is the difference between the KDEMO and DEMO projects?
Dec
6
comment How large can you make a tokamak?
I was thinking mainly of D/He-3, although I know that it's not really aneutronic. I guess for truly aneutronic reactons, like p/B-11 or He-3/He-3, you are not going to use the tokamak design anyway. But your point that the maximum size of a tokamak is coupled to the acceptable neutron radiation intensity (as well as the choice of material) is very valid, of course.
Dec
6
comment How large can you make a tokamak?
Thanks for this interesting answer. But this neutron flow argument does not hold anymore when considering aneutronic fusion, right?
Dec
6
awarded  Supporter
Jun
30
awarded  Autobiographer
May
25
comment How large can you make a tokamak?
Anyway, so the answer to my question about scale-up is that "it may very well be possible to make huge tokamaks, but we just don't know. in any case, a simple linear scale-up isn't possible due to the large magnetic fields required". That answers my question, thanks!
May
25
awarded  Scholar
May
25
accepted How large can you make a tokamak?
May
25
comment How large can you make a tokamak?
That's a very interesting observation, about non-linearity, which maybe also partly explains why it is taking so long time get fusion power viable as a commercial power source.
May
25
awarded  Student
May
25
asked How large can you make a tokamak?