SYMPOSIA PAPER Published: 01 January 2001
STP13673S

Development and Modeling of Neutron Detectors for In-Core Measurement Requirements in Nuclear Reactors

Source

The Reactor Measurement Systems Laboratory (LSMR) of the CEA/Cadarache, is specialized in the development, design, modeling and manufacturing of neutron detectors, especially miniature fission chambers.

This laboratory can define the characteristics of the detector for any requirements : - type of chamber (cylindrical or plate), - diameter (1.5 mm, 4 mm, 8 mm, …), - nature of fissile product (uranium, plutonium, neptunium, curium,…), - mass of fissile product, and - nature and pressure of gas (argon, helium).

The laboratory has also developed modeling codes and in particular, a new theoretical method to foresee the current-voltage characteristics of a chamber that operates in current mode (sensitivity, saturation plateau).

Author Information

Blandin, C
Operation Assistance Systems Service, Reactor Measurement Systems Laboratory, Saint-Paul-Lez-Durance, France
Bignan, G
Operation Assistance Systems Service, Reactor Measurement Systems Laboratory, Saint-Paul-Lez-Durance, France
Lebrun, A
Operation Assistance Systems Service, Reactor Measurement Systems Laboratory, Saint-Paul-Lez-Durance, France
Poujade, O
Ecole Normale Supérieure de Cachan, Cachan, France
Recroix, H
Operation Assistance Systems Service, Reactor Measurement Systems Laboratory, Saint-Paul-Lez-Durance, France
Eymery, S
Operation Assistance Systems Service, Reactor Measurement Systems Laboratory, Saint-Paul-Lez-Durance, France
Trapp, J-P
Operation Assistance Systems Service, Reactor Measurement Systems Laboratory, Saint-Paul-Lez-Durance, France
Breaud, S
Operation Assistance Systems Service, Reactor Measurement Systems Laboratory, Saint-Paul-Lez-Durance, France
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Details
Developed by Committee: E10
Pages: 803–810
DOI: 10.1520/STP13673S
ISBN-EB: 978-0-8031-5450-6
ISBN-13: 978-0-8031-2884-2