Metallic Fuel Performance Benchmarks for Versatile Test Reactor Applications

Hirschhorn, Jacob; Powers, Jeffrey J.; Greenquist, Ian; Sweet, Ryan; Hu, Jianwei; Porter, Douglas L.; Crawford, Douglas C.

doi:10.1080/00295639.2022.2043539

Cited by 6 publications

(2 citation statements)

References 39 publications

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“…The development of a fuel performance modeling benchmark based on the BISON code was recently reviewed in support of the DOE's planned Versatile Test Reactor [83]. Although not specific to in-pin RN migration, it serves to demonstrate the capabilities and various aspects of modeling fuel failure that ultimately leads to RN releases.…”

Section: Relevant Doe Program Activitiesmentioning

confidence: 99%

Progress on Near-Term Tasks for the Development of Advanced Reactor Mechanistic Source Term Modeling and Simulation Tools

Shahbazi,

Kam,

Starkus

et al. 2022

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Section: Relevant Doe Program Activitiesmentioning

confidence: 99%

Progress on Near-Term Tasks for the Development of Advanced Reactor Mechanistic Source Term Modeling and Simulation Tools

Shahbazi,

Kam,

Starkus

et al. 2022

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“…During the fuel irradiation, the cladding tube is expected to deform due to the evolving pressure differential between the cladding tube interior and coolant system pressure and due to the diametral expansion of the fuel as it swells from fission [4]. In order to calculate the cladding deformation accurately, the creep and plastic deformation of the cladding must be accounted for.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Reduced Order Model for HT-9 Creep and Modifications to Current HT-9 Creep Model in BISON

Sweet

Novascone

2022

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In order to leverage existing reduced-order models (ROM) for material modeling, Los Alamos National Laboratory (LANL)-developed HT-9 cladding mechanistic-based constitutive models have been implemented into BISON. It is posited that the increased fidelity of the ROM will show improvement over engineering-scale models in terms of comparison against experimental measurements. Idaho National Laboratory will assist LANL in implementing an HT-9 ROM in BISON. Once the HT-9 mechanistic constitutive model can be leveraged in nuclear performance simulations, the numerical results of fast reactor models will be analyzed and compared against the Fuels Irradiation & Physics Database and separate effects tests to attempt a validation process. Idaho National Laboratory and LANL will work together to perform any necessary improvement identified during the implementation and use processes. Successful milestone completion will enable the general use of validated mechanistic ROMs for HT-9 cladding in BISON.This report provides a brief introduction to the Los Alamos Reduced Order Model Applied to Nonlinear Constitutive Equations (LAROMance) code, mechanical testing used to illustrate its creep and plastic deformation predictions for HT-9 cladding, and a comparison with existing models implemented into BISON. Current models have been modified to more appropriately account for primary thermal creep, and results for corresponding testing are included in this report.

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