Development of new sub-miniature fission chambers: Modeling and experimental tests

Ch Blandin; S. Breaud; L. Vermeeren; M. Weber

doi:10.1016/S0149-1970(03)00044-1

Development of new sub-miniature fission chambers: Modeling and experimental tests

Ch Blandin, S. Breaud, L. Vermeeren, M. Weber

Research output › peer-review

Abstract

The LSMN (Nuclear Measurement Systems Laboratory) of CEA/Cadarache designed and manufactured a new generation of sub-miniature fission chambers (SMFC). An experiment with three SMFCs was carried out in 2001 in the BR2 research reactor within the framework of a collaboration agreement with SCK·CEN Mol. In this paper we present the experimental results for the neutron sensitivity, the gamma effect, the current/voltage characteristics and the long term behaviour up to a fluence of 2.10²¹ n/cm². We also compare the data with results from calculations with our FCD computer code. The onset of the saturation domain is well predicted by FCD; for the neutron sensitivities FCD yields the correct orders of magnitude but the underlying model should still be refined.

Original language	English
Pages (from-to)	349-355
Number of pages	7
Journal	Progress in Nuclear Energy
Volume	43
Issue number	1-4 SPEC
DOIs	https://doi.org/10.1016/S0149-1970(03)00044-1
State	Published - 2003

ASJC Scopus subject areas

Nuclear Energy and Engineering
Safety, Risk, Reliability and Quality
Energy Engineering and Power Technology
Waste Management and Disposal

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Cite this

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title = "Development of new sub-miniature fission chambers: Modeling and experimental tests",

abstract = "The LSMN (Nuclear Measurement Systems Laboratory) of CEA/Cadarache designed and manufactured a new generation of sub-miniature fission chambers (SMFC). An experiment with three SMFCs was carried out in 2001 in the BR2 research reactor within the framework of a collaboration agreement with SCK·CEN Mol. In this paper we present the experimental results for the neutron sensitivity, the gamma effect, the current/voltage characteristics and the long term behaviour up to a fluence of 2.1021 n/cm2. We also compare the data with results from calculations with our FCD computer code. The onset of the saturation domain is well predicted by FCD; for the neutron sensitivities FCD yields the correct orders of magnitude but the underlying model should still be refined.",

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AU - Breaud, S.

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AU - Weber, M.

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AB - The LSMN (Nuclear Measurement Systems Laboratory) of CEA/Cadarache designed and manufactured a new generation of sub-miniature fission chambers (SMFC). An experiment with three SMFCs was carried out in 2001 in the BR2 research reactor within the framework of a collaboration agreement with SCK·CEN Mol. In this paper we present the experimental results for the neutron sensitivity, the gamma effect, the current/voltage characteristics and the long term behaviour up to a fluence of 2.1021 n/cm2. We also compare the data with results from calculations with our FCD computer code. The onset of the saturation domain is well predicted by FCD; for the neutron sensitivities FCD yields the correct orders of magnitude but the underlying model should still be refined.

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