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The Hitrex Programme: unperturbed HTR lattice and control rod measurements

Abstract

Reactivity, power distributions, plutonium production and fast neutron graphite damage are being studied at Berkeley Nuclear Laboratories (BNL) on the HTR 'Hitrex' reactor under cold clean conditions. Rod interactions, important in assessing local criticality hazards, are receiving special attention in the measurements. The proposals for the first two series of measurements on Hitrex are discussed in this note, Hitrex 1a being the unperturbed reactor, and Hitrex 1b the same fuel array but with a number of different control absorber loadings in it. Common to both series will be cross pin, cross block and cross core measurements of power rating, thermal spectrum and damage dose distributions, so that these will be known as functions of the fuel, reflector and absorber environment.
Publication Date:
Jun 15, 1972
Product Type:
Technical Report
Report Number:
DCPM-15/CEGB-1
Resource Relation:
Conference: 15. Dragon Countries Physics Meeting, Winfrith, Dorset (United Kingdom), 5-6 Jun 1972; Other Information: Portions of the full text have limited legibility; a few hand-written notations are also included
Subject:
21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS; DRAGON REACTOR; HTGR TYPE REACTORS; EXPERIMENTAL REACTORS
Sponsoring Organizations:
OECD Dragon Project, Paris (France)
OSTI ID:
21160995
Research Organizations:
Central Electricity Board, Berkeley Nuclear Laboratories (United Kingdom)
Country of Origin:
NEA
Language:
English
Other Identifying Numbers:
TRN: XN72OS025
Availability:
Commercial reproduction prohibited; OSTI as DE21160995
Submitting Site:
OSTI
Size:
11 pages
Announcement Date:
May 21, 2009

Citation Formats

Beynon, A J, and Nunn, D L. The Hitrex Programme: unperturbed HTR lattice and control rod measurements. NEA: N. p., 1972. Web.
Beynon, A J, & Nunn, D L. The Hitrex Programme: unperturbed HTR lattice and control rod measurements. NEA.
Beynon, A J, and Nunn, D L. 1972. "The Hitrex Programme: unperturbed HTR lattice and control rod measurements." NEA.
@misc{etde_21160995,
title = {The Hitrex Programme: unperturbed HTR lattice and control rod measurements}
author = {Beynon, A J, and Nunn, D L}
abstractNote = {Reactivity, power distributions, plutonium production and fast neutron graphite damage are being studied at Berkeley Nuclear Laboratories (BNL) on the HTR 'Hitrex' reactor under cold clean conditions. Rod interactions, important in assessing local criticality hazards, are receiving special attention in the measurements. The proposals for the first two series of measurements on Hitrex are discussed in this note, Hitrex 1a being the unperturbed reactor, and Hitrex 1b the same fuel array but with a number of different control absorber loadings in it. Common to both series will be cross pin, cross block and cross core measurements of power rating, thermal spectrum and damage dose distributions, so that these will be known as functions of the fuel, reflector and absorber environment.}
place = {NEA}
year = {1972}
month = {Jun}
}