3D Velocity Vector Measurements in a Liquid-metal using Unsharpness in Neutron Transmission Images

3D Velocity Vector Measurements in a Liquid-metal using Unsharpness in Neutron Transmission Images

Yasushi Saito, Daisuke Ito

Abstract. To measure the two/three-dimensional velocity vectors in a liquid metal flow, a new neutron imaging method was applied. By using a conventional transmission neutron imaging (neutron radiography) only two-dimensional information of tracer particles can be obtained. In this study, three-dimensional position was measured by analyzing the image unsharpness (blurr) of tracer particles depending on the distance between the particle and the imaging screen in the neutron beam direction. Neutron imaging has been performed at the Kyoto University Research Reactor and the variation of image unsharpness of particles was investigated.

Keywords
Liquid Metal Flow, Image Unsharpness, Velocimetry, Neutron Radiography

Published online 1/5/2020, 6 pages
Copyright © 2020 by the author(s)
Published under license by Materials Research Forum LLC., Millersville PA, USA

Citation: Yasushi Saito, Daisuke Ito, 3D Velocity Vector Measurements in a Liquid-metal using Unsharpness in Neutron Transmission Images, Materials Research Proceedings, Vol. 15, pp 281-286, 2020

DOI: https://doi.org/10.21741/9781644900574-44

The article was published as article 44 of the book Neutron Radiography

Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.

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