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Split core experiments; Part I. Axial neutron flux distribution measurements in the reactor core with a central horizontal reflector

Abstract

A series of critical experiments were performed on the RB reactor in order to determine the thermal neutron flux increase in the central horizontal reflector formed by a split reactor core. The objectives of these experiments were to study the possibilities of improving the thermal neutron flux characteristics of the neutron beam in the horizontal beam tube of the RA research reactor. The construction of RA reactor enables to split the core in two, to form a central horizontal reflector in front of the beam tube. This is achieved by replacing 2% enriched uranium slugs in the fuel channel by dummy aluminium slugs. The purpose of the first series of experiments was to study the gain in thermal neutron component inside the horizontal reflector and the loss of reactivity as a function of the lattice pitch and central reflector thickness.
Authors:
Strugar, P; Raisic, N; Obradovic, D; Jovanovic, S [1] 
  1. Institute of Nuclear Sciences Boris Kidric, Vinca, Beograd (Serbia and Montenegro)
Publication Date:
May 01, 1965
Product Type:
Technical Report
Report Number:
IBK-235
Resource Relation:
Other Information: 2 refs, 2 tabs, 21 figs
Subject:
21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS; EPITHERMAL NEUTRONS; NEUTRON FLUX; NEUTRON REFLECTORS; R-A REACTOR; R-B REACTOR; REACTOR CORES; THERMAL NEUTRONS
OSTI ID:
20687319
Research Organizations:
Institute of Nuclear Sciences Boris Kidric, Vinca, Beograd (Serbia and Montenegro)
Country of Origin:
Serbia and Montenegro
Language:
English
Other Identifying Numbers:
TRN: CS05RA019005699
Availability:
Available from INIS in electronic form; Also available from the Institute of nuclear sciences Vinca
Submitting Site:
INIS
Size:
32 pages
Announcement Date:
Mar 09, 2006

Citation Formats

Strugar, P, Raisic, N, Obradovic, D, and Jovanovic, S. Split core experiments; Part I. Axial neutron flux distribution measurements in the reactor core with a central horizontal reflector. Serbia and Montenegro: N. p., 1965. Web.
Strugar, P, Raisic, N, Obradovic, D, & Jovanovic, S. Split core experiments; Part I. Axial neutron flux distribution measurements in the reactor core with a central horizontal reflector. Serbia and Montenegro.
Strugar, P, Raisic, N, Obradovic, D, and Jovanovic, S. 1965. "Split core experiments; Part I. Axial neutron flux distribution measurements in the reactor core with a central horizontal reflector." Serbia and Montenegro.
@misc{etde_20687319,
title = {Split core experiments; Part I. Axial neutron flux distribution measurements in the reactor core with a central horizontal reflector}
author = {Strugar, P, Raisic, N, Obradovic, D, and Jovanovic, S}
abstractNote = {A series of critical experiments were performed on the RB reactor in order to determine the thermal neutron flux increase in the central horizontal reflector formed by a split reactor core. The objectives of these experiments were to study the possibilities of improving the thermal neutron flux characteristics of the neutron beam in the horizontal beam tube of the RA research reactor. The construction of RA reactor enables to split the core in two, to form a central horizontal reflector in front of the beam tube. This is achieved by replacing 2% enriched uranium slugs in the fuel channel by dummy aluminium slugs. The purpose of the first series of experiments was to study the gain in thermal neutron component inside the horizontal reflector and the loss of reactivity as a function of the lattice pitch and central reflector thickness.}
place = {Serbia and Montenegro}
year = {1965}
month = {May}
}