Fission chambers designer based on MonteCarlo techniques working in current mode and operated in saturation regime

Antolínez García, Alfonso and Rapisarda, David (2016). Fission chambers designer based on MonteCarlo techniques working in current mode and operated in saturation regime. "Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment", v. 825 ; pp. 6-16. ISSN 0168-9002. https://doi.org/10.1016/j.nima.2016.03.050.

Description

Title: Fission chambers designer based on MonteCarlo techniques working in current mode and operated in saturation regime
Author/s:
  • Antolínez García, Alfonso
  • Rapisarda, David
Item Type: Article
Título de Revista/Publicación: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Date: 21 July 2016
ISSN: 0168-9002
Volume: 825
Subjects:
Freetext Keywords: Fission chamber; Simulation; Design; Monte Carlo; Fission fragments; Ionization chamber
Faculty: E.T.S.I. Industriales (UPM)
Department: Ingeniería Nuclear [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

Fission chambers have become one of the main devices for the measurement of neutron fluxes in nuclear facilities; including fission reactors, future fusion ones, spallation sources, etc. The main goal of a fission chamber is to estimate the neutron flux inside the facility, as well as instantaneous changes in the irradiation conditions. A Monte Carlo Fission Chamber Designer (MCFCD) has been developed in order to assist engineers in the complete design cycle of the fission chambers. So far MCFCD focuses on the most important neutron reactions taking place in a thermal nuclear reactor. A theoretical model describing the most important outcomes in fission chambers design has been developed, including the expected electrical signals (current intensity and drop in potential) and, current-polarization voltage characteristics (sensitivity and saturation plateau); the saturation plateau is the zone of the saturation curve where the output current is proportional to fission rate; fission chambers work in this region. Data provided by MCFCD are in good agreement with measurements available.

More information

Item ID: 42686
DC Identifier: http://oa.upm.es/42686/
OAI Identifier: oai:oa.upm.es:42686
DOI: 10.1016/j.nima.2016.03.050
Official URL: https://doi.org/10.1016/j.nima.2016.03.050
Deposited by: Memoria Investigacion
Deposited on: 15 Jul 2016 10:03
Last Modified: 15 Mar 2019 15:00
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