Applicability evaluation of a natural circulation loop to a uranium hydride bed for tritium accountability

A PVT-c method, which is widely used to measure the amount of tritium, is not practical for a UHx bed because the process is time-consuming and includes tritium desorption and transfer processes, which can increase the potential risk of tritium release. In this study, a natural circulation (NC) loop...

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Bibliographic Details
Published in:Fusion engineering and design 2019-09, Vol.146, p.1459-1462
Main Authors: Jung, Kwangjin, Park, Ji Hwan, Kim, Jisoo, Chang, Min Ho, Chung, Hongsuk
Format: Article
Language:English
Subjects:
Accountability
Calorimetry
Evaluation
Heat sinks
Heat sources
Initial pressure
Natural circulation
Tritium
Tritium accountability
Uranium
Uranium hydride
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Summary:A PVT-c method, which is widely used to measure the amount of tritium, is not practical for a UHx bed because the process is time-consuming and includes tritium desorption and transfer processes, which can increase the potential risk of tritium release. In this study, a natural circulation (NC) loop, which can compensate for the issues of a PVT-c method, was numerically designed and evaluated for tritium accountability (TA) of a UHx bed. The numerical evaluation shows that the NC loop can be applied to a UHx bed for TA. Moreover, the characteristics of various parameters including the geometry, and initial pressure of the NC loop, were obtained. These characteristics can be commonly applied to any type of NC loops using heat sources and sinks.
ISSN:0920-3796
1873-7196
DOI:10.1016/j.fusengdes.2019.02.104