Shielding development for the VENUS imaging instrument

I. I. Popova; F. X. Gallmeier

doi:10.3233/jnr-200164

Shielding development for the VENUS imaging instrument

I. I. Popova, F. X. Gallmeier

Neutronics Group

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

VENUS is an imaging instrument that will use a broad range of neutron wavelengths, from epithermal to cold, will include enhanced contrast mechanisms, and will offer novel energy-selective imaging techniques that directly connect the structures, properties, and function of complex engineering materials and systems to reveal practical and fundamental answers about their real-world performance. The instrument is to be built at SNS beam line 10 and will face the decoupled poisoned hydrogen moderator. The driving cost for the instrument is the beam line and instrument cave shielding. Initial scoping analyses were performed to estimate thickness and composition of shielding materials for the instrument cave and beam line. In light of the upcoming Proton Power Upgrade (PPU) project, these transport analyses were performed for proton beam on target at 1.3 GeV and 2 MW.

Original language	English
Pages (from-to)	131-138
Number of pages	8
Journal	Journal of Neutron Research
Volume	22
Issue number	2-3
DOIs	https://doi.org/10.3233/jnr-200164
State	Published - 2020

Funding

ORNL is managed by UT-Battelle, LLC, under contract DE-AC05-00OR22725 for the Energy. This research was supported by the DOE Office of Science, Basic Energy Science, Scientific User Facilities. *Notice of copyright. This manuscript has been authored by UT-Battelle, LLC under Contract No. DE-AC05-00OR22725 with the U.S. Department of Energy. The United States Government retains and the publisher, by accepting the article for publication, acknowledges that the United States Government retains a non-exclusive, paid-up, irrevocable, world-wide license to publish or reproduce the published form of this manuscript, or allow others to do so, for United States Government purposes. The Department of Energy will provide public access to these results of federally sponsored research in accordance with the DOE Public Access Plan (http://energy.gov/downloads/doe-public-access-plan). **Corresponding author. E-mail: [email protected].

Keywords

Monte Carlo
Radiation shielding
neutron sources

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AB - VENUS is an imaging instrument that will use a broad range of neutron wavelengths, from epithermal to cold, will include enhanced contrast mechanisms, and will offer novel energy-selective imaging techniques that directly connect the structures, properties, and function of complex engineering materials and systems to reveal practical and fundamental answers about their real-world performance. The instrument is to be built at SNS beam line 10 and will face the decoupled poisoned hydrogen moderator. The driving cost for the instrument is the beam line and instrument cave shielding. Initial scoping analyses were performed to estimate thickness and composition of shielding materials for the instrument cave and beam line. In light of the upcoming Proton Power Upgrade (PPU) project, these transport analyses were performed for proton beam on target at 1.3 GeV and 2 MW.

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KW - neutron sources

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Shielding development for the VENUS imaging instrument

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Keywords

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