Preliminary Assessment of As-Built Design Characteristics for the Transformational Challenge Reactor

B. J. Ade; E. Biondo; D. P. Schappel; E. Fountain; B. R. Betzler; G. Davidson

doi:10.13182/PHYSOR22-37829

Preliminary Assessment of As-Built Design Characteristics for the Transformational Challenge Reactor

B. J. Ade, E. Biondo, D. P. Schappel, E. Fountain, B. R. Betzler, G. Davidson

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

The Transformational Challenge Reactor design effort in 2021 included constructing a full-core mock-up of the reactor in-core components. This effort was undertaken to ascertain differences between the as-designed and as-built individual components and determine impacts of assembly of the as-built components into a full-scale core assembly. Through this effort, several deviations from as-designed components were observed. Some of these deviations were related to the additive manufacturing processes, and others were related to deviations in traditionally manufactured components. The tolerance stack-up of these minor deviations was evaluated and quantified. A new layered geometry capability in Shift (CAD + combinatorial) was used to model variations in the placement of YH moderator rods, and the effects of this variation on keff and power distribution are analyzed in this paper. Bison was used to model the thermomechanical effect of contact between adjacent fuel elements.

Original language	English
Title of host publication	Proceedings of the International Conference on Physics of Reactors, PHYSOR 2022
Publisher	American Nuclear Society
Pages	3117-3126
Number of pages	10
ISBN (Electronic)	9780894487873
DOIs	https://doi.org/10.13182/PHYSOR22-37829
State	Published - 2022
Event	2022 International Conference on Physics of Reactors, PHYSOR 2022 - Pittsburgh, United States Duration: May 15 2022 → May 20 2022

Publication series

Name	Proceedings of the International Conference on Physics of Reactors, PHYSOR 2022

Conference

Conference	2022 International Conference on Physics of Reactors, PHYSOR 2022
Country/Territory	United States
City	Pittsburgh
Period	05/15/22 → 05/20/22

Funding

Notice: This manuscript has been authored by UT-Battelle, LLC, under contract DE-AC05-00OR22725 with the US Department of Energy (DOE). The US government retains and the publisher, by accepting the article for publication, acknowledges that the US government retains a nonexclusive, paid-up, irrevocable, worldwide license to publish or reproduce the published form of this manuscript, or allow others to do so, for US government purposes. DOE 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).

Keywords

3D printing
TRISO
additive manufacturing
microreactor
yttrium hydride

Access to Document

10.13182/PHYSOR22-37829

Cite this

Ade, B. J., Biondo, E., Schappel, D. P., Fountain, E., Betzler, B. R., & Davidson, G. (2022). Preliminary Assessment of As-Built Design Characteristics for the Transformational Challenge Reactor. In Proceedings of the International Conference on Physics of Reactors, PHYSOR 2022 (pp. 3117-3126). (Proceedings of the International Conference on Physics of Reactors, PHYSOR 2022). American Nuclear Society. https://doi.org/10.13182/PHYSOR22-37829

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title = "Preliminary Assessment of As-Built Design Characteristics for the Transformational Challenge Reactor",

abstract = "The Transformational Challenge Reactor design effort in 2021 included constructing a full-core mock-up of the reactor in-core components. This effort was undertaken to ascertain differences between the as-designed and as-built individual components and determine impacts of assembly of the as-built components into a full-scale core assembly. Through this effort, several deviations from as-designed components were observed. Some of these deviations were related to the additive manufacturing processes, and others were related to deviations in traditionally manufactured components. The tolerance stack-up of these minor deviations was evaluated and quantified. A new layered geometry capability in Shift (CAD + combinatorial) was used to model variations in the placement of YH moderator rods, and the effects of this variation on keff and power distribution are analyzed in this paper. Bison was used to model the thermomechanical effect of contact between adjacent fuel elements.",

keywords = "3D printing, TRISO, additive manufacturing, microreactor, yttrium hydride",

author = "Ade, {B. J.} and E. Biondo and Schappel, {D. P.} and E. Fountain and Betzler, {B. R.} and G. Davidson",

note = "Publisher Copyright: {\textcopyright} 2022 Proceedings of the International Conference on Physics of Reactors, PHYSOR 2022. All Rights Reserved.; 2022 International Conference on Physics of Reactors, PHYSOR 2022 ; Conference date: 15-05-2022 Through 20-05-2022",

year = "2022",

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Ade, BJ , Biondo, E , Schappel, DP , Fountain, E, Betzler, BR & Davidson, G 2022, Preliminary Assessment of As-Built Design Characteristics for the Transformational Challenge Reactor. in Proceedings of the International Conference on Physics of Reactors, PHYSOR 2022. Proceedings of the International Conference on Physics of Reactors, PHYSOR 2022, American Nuclear Society, pp. 3117-3126, 2022 International Conference on Physics of Reactors, PHYSOR 2022, Pittsburgh, United States, 05/15/22. https://doi.org/10.13182/PHYSOR22-37829

Preliminary Assessment of As-Built Design Characteristics for the Transformational Challenge Reactor. / Ade, B. J.; Biondo, E.; Schappel, D. P. et al.
Proceedings of the International Conference on Physics of Reactors, PHYSOR 2022. American Nuclear Society, 2022. p. 3117-3126 (Proceedings of the International Conference on Physics of Reactors, PHYSOR 2022).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AB - The Transformational Challenge Reactor design effort in 2021 included constructing a full-core mock-up of the reactor in-core components. This effort was undertaken to ascertain differences between the as-designed and as-built individual components and determine impacts of assembly of the as-built components into a full-scale core assembly. Through this effort, several deviations from as-designed components were observed. Some of these deviations were related to the additive manufacturing processes, and others were related to deviations in traditionally manufactured components. The tolerance stack-up of these minor deviations was evaluated and quantified. A new layered geometry capability in Shift (CAD + combinatorial) was used to model variations in the placement of YH moderator rods, and the effects of this variation on keff and power distribution are analyzed in this paper. Bison was used to model the thermomechanical effect of contact between adjacent fuel elements.

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Ade BJ , Biondo E , Schappel DP , Fountain E, Betzler BR, Davidson G. Preliminary Assessment of As-Built Design Characteristics for the Transformational Challenge Reactor. In Proceedings of the International Conference on Physics of Reactors, PHYSOR 2022. American Nuclear Society. 2022. p. 3117-3126. (Proceedings of the International Conference on Physics of Reactors, PHYSOR 2022). doi: 10.13182/PHYSOR22-37829

Preliminary Assessment of As-Built Design Characteristics for the Transformational Challenge Reactor

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