|Feb18-12, 03:11 PM||#1|
What was the principal nuclear reaction of Fermi's nuclear pile
I've known about the basic story of the first nuclear pile since before I can remember, but never found information on what the associated nuclear reaction actually was and was wondering if anyone here knew or could point me in the right direction.
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|Feb18-12, 03:49 PM||#2|
The reactor fuel was Uranium, so I presume the reactions would be the same as any Uranium reactor.
|Feb21-12, 04:55 PM||#3|
From various sources, etc., as far as I have pieced together the following should address your question (and related factoids) regarding the first reactor pile, CP-1. (I trust I will be corrected if any of these have come from inaccurate sources.)
Principle reaction = Absorption of slow neutrons by U-235 in un-enriched uranium.
Fuel used = 40 tons of un-enriched uranium dioxide pressed into 17,000 'pseudospheres', plus 6 tons of "Spedding’s eggs", uranium metal in cylinders of 2 1/4" OD x 3" long.
Moderator = 4,000 x 6 lbs ultra-pure graphite blocks, drilled with holes to take the above uranium, plus a further 300 tons of graphite in layers.
Control rods = cadmium.
Safety moderator = buckets of boric acid to be poured in from above
Power output = 0.5 W
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