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Geometric buckling measurements using the pulsed neutron source method

Abstract

The geometric buckling of cylindrical reactors with one or both ends rounded has been determined by pulsed source measurements with small polyethylene geometries. The results were in general accord with theoretical calculations. The diffusion parameters of polyethylene were also determined. The diffusion length was 2.12 {+-} 0.03 cm, and for the capture cross section of hydrogen a value of 0.337 {+-} 0.005 barns was found. The effect of control rods was studied using thin cadmium rods in water. Good agreement was found for axial, central rods, whereas the theoretical predictions for the effect of diagonal rods were too high.
Publication Date:
Mar 15, 1959
Product Type:
Technical Report
Report Number:
AE-12
Resource Relation:
Other Information: 17 refs., 7 figs., 2 tabs. (Reprint from Arkiv foer Fysik 15(1959):35)
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; GEOMETRIC BUCKLING; PULSED NEUTRON TECHNIQUES; CYLINDRICAL CONFIGURATION; REACTORS; NEUTRON TRANSPORT THEORY; CAPTURE; NEUTRON REACTIONS; HYDROGEN; CONTROL ELEMENTS; CADMIUM; RADIATION FLUX; GAMMA RADIATION
OSTI ID:
20923645
Research Organizations:
AB Atomenergi, Stockholm (Sweden)
Country of Origin:
Sweden
Language:
English
Other Identifying Numbers:
TRN: SE0708199
Availability:
Commercial reproduction prohibited; OSTI as DE20923645
Submitting Site:
SWDN
Size:
20 pages
Announcement Date:
Sep 27, 2007

Citation Formats

Sjoestrand, N G, Mednis, J, and Nilsson, T. Geometric buckling measurements using the pulsed neutron source method. Sweden: N. p., 1959. Web.
Sjoestrand, N G, Mednis, J, & Nilsson, T. Geometric buckling measurements using the pulsed neutron source method. Sweden.
Sjoestrand, N G, Mednis, J, and Nilsson, T. 1959. "Geometric buckling measurements using the pulsed neutron source method." Sweden.
@misc{etde_20923645,
title = {Geometric buckling measurements using the pulsed neutron source method}
author = {Sjoestrand, N G, Mednis, J, and Nilsson, T}
abstractNote = {The geometric buckling of cylindrical reactors with one or both ends rounded has been determined by pulsed source measurements with small polyethylene geometries. The results were in general accord with theoretical calculations. The diffusion parameters of polyethylene were also determined. The diffusion length was 2.12 {+-} 0.03 cm, and for the capture cross section of hydrogen a value of 0.337 {+-} 0.005 barns was found. The effect of control rods was studied using thin cadmium rods in water. Good agreement was found for axial, central rods, whereas the theoretical predictions for the effect of diagonal rods were too high.}
place = {Sweden}
year = {1959}
month = {Mar}
}