Abstract
The reactivity effects of small samples of various materials have been measured, by the period method at the core centre of Assemblies 1 and 3 of the fast zero power reactor FR0. For some materials the reactivity change as a function of sample size has also been determined experimentally. The core of Assembly 1 consisted only of uranium enriched to 20 % whereas the core of Assembly 3 was diluted with 30 % graphite. The results have been compared with calculated values obtained with a second-order transport-theoretical perturbation model and using differently shielded cross sections depending upon sample size. Qualitative agreement has generally been found, although discrepancies still exist. The spectrum perturbation caused by the experimental arrangement has been analyzed and found to be rather important.
Citation Formats
Londen, S O.
Central Reactivity Measurements on Assemblies 1 and 3 of the Fast Reactor FR0.
Sweden: N. p.,
1966.
Web.
Londen, S O.
Central Reactivity Measurements on Assemblies 1 and 3 of the Fast Reactor FR0.
Sweden.
Londen, S O.
1966.
"Central Reactivity Measurements on Assemblies 1 and 3 of the Fast Reactor FR0."
Sweden.
@misc{etde_20949525,
title = {Central Reactivity Measurements on Assemblies 1 and 3 of the Fast Reactor FR0}
author = {Londen, S O}
abstractNote = {The reactivity effects of small samples of various materials have been measured, by the period method at the core centre of Assemblies 1 and 3 of the fast zero power reactor FR0. For some materials the reactivity change as a function of sample size has also been determined experimentally. The core of Assembly 1 consisted only of uranium enriched to 20 % whereas the core of Assembly 3 was diluted with 30 % graphite. The results have been compared with calculated values obtained with a second-order transport-theoretical perturbation model and using differently shielded cross sections depending upon sample size. Qualitative agreement has generally been found, although discrepancies still exist. The spectrum perturbation caused by the experimental arrangement has been analyzed and found to be rather important.}
place = {Sweden}
year = {1966}
month = {Jan}
}
title = {Central Reactivity Measurements on Assemblies 1 and 3 of the Fast Reactor FR0}
author = {Londen, S O}
abstractNote = {The reactivity effects of small samples of various materials have been measured, by the period method at the core centre of Assemblies 1 and 3 of the fast zero power reactor FR0. For some materials the reactivity change as a function of sample size has also been determined experimentally. The core of Assembly 1 consisted only of uranium enriched to 20 % whereas the core of Assembly 3 was diluted with 30 % graphite. The results have been compared with calculated values obtained with a second-order transport-theoretical perturbation model and using differently shielded cross sections depending upon sample size. Qualitative agreement has generally been found, although discrepancies still exist. The spectrum perturbation caused by the experimental arrangement has been analyzed and found to be rather important.}
place = {Sweden}
year = {1966}
month = {Jan}
}