Reactor Definition and 356 Threads

I do not know if this is the correct forum but it seemed to theoretical for the Nuc Engineering forum. Ok I am 'designing' this space vessel capable of traveling inbetween star systems about 400-500 years in the future. I do not want much time dilation(for obvious reasons) so its going to use...

hi guys, I am just wondering is it possible in reality to construct a fission reactor that will operate for decades or even centuries without refueling? Theoretically, we can do so if the macroscopic absorption cross section for the fertile nuclide equals that for the fissile species. and few...

another question. consider the possibility of designing a fission reactor that will operate for decades or even centuries without refueling. limit the investigation to thermal reactors with reaction rates = 2200 m/s cross section. Consider 3 fissile/fertile combinations: 1) Fissile= U-233...

Could the center of the Earth's core be a critical mass of U-235 or other heavy metals, sustaining a fission reaction. (or might fusion be possible with the presures and magentic fields there? ). If not Earth what about Jupiter or larger exra solar planet? Merlin

http://deseretnews.com/dn/view/0,1249,510054502,00.html amazing!

one side: http://www.newstribune.com/stories/031202/wor_0312020910.asp and the other: http://www.tcgreens.org/gl/articles/20030101111808332.html