Critical dimensions of systems containing /sup 235/U, /sup 239/Pu, and /sup 233/U: 1986 Revision Page: 75 of 205
This report is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided to Digital Library by the UNT Libraries Government Documents Department.
The following text was automatically extracted from the image on this page using optical character recognition software:
PLI'TONIUN SOLI'TION5, U1NLIlITED z-"'I'll
Thec critical illtirlite slabls replortel bvrum lliull'w ill 16-. 9-1 apply to so1116ions of Pu c":n-
i airing 23.2I and 2- 0 " p d, as well is .1.7i "IPu. Because III high ""[i dat a exist
for spheres, reflect t 'd slab thickiesses were covered to e uivallit sphere radii by means
of t he ext ral t ion dist ances. b for slabs and b, for spheres, that are list ed in Table 17.
Critical radii of spheres, r,. were obt aiied fromi ,~ calcuiat ions that reproduced corre-
sponding crit ical slah thicknesses, I i. Th listed values of b, t he sat isfy the relating
r r b, t" - 2(1.M; b, ),
whlrl hr 1.06 b, Ar consistency with Fig, I. \alies of Q Micasi"!d in finite slabs
but attnrilited to infinite slab. art siii vii parenthetically in 'Table 17 to suggest that the
calculat ed vahi-s aire reasonable.
II addit ion t ot he Hlanford dat a, Table 17 includes crit ical dat a from taclay'" for a solut ion
of plut onium cont ailing I9 2"Pu. The syst em select ed represents t he high H /Pu ext remne
of a range of mueasuremiet s. Not included is a Hanford critical experiment with solution
of plutouium cont airing 43- 2""Pu with partial water reflector."
C(mtputed values that are tied to the points of Table 17, give the curves of critical mass vs
perce-i ""Pu that appear in Fig. 35. These curves apply to water-reflected metal-water
Here’s what’s next.
This report can be searched. Note: Results may vary based on the legibility of text within the document.
Tools / Downloads
Get a copy of this page or view the extracted text.
Citing and Sharing
Basic information for referencing this web page. We also provide extended guidance on usage rights, references, copying or embedding.
Reference the current page of this Report.
Paxton, H.C. & Pruvost, N.L. Critical dimensions of systems containing /sup 235/U, /sup 239/Pu, and /sup 233/U: 1986 Revision, report, July 1, 1987; New Mexico. (https://digital.library.unt.edu/ark:/67531/metadc1109879/m1/75/?rotate=90: accessed April 23, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.