looking more into this, it looks like the minimum size limit is the wall that ab...

mozumder on April 30, 2017 | parent | context | favorite | on: Wendelstein 7-X stellarator getting ready for the ...

looking more into this, it looks like the minimum size limit is the wall that absorbs the free neutrons from the De-Tr reactions. It looks like it'll always be some minimum size due to the energy of the released neutrons.