Preliminary Design Evaluation of a Natural Circulation Molten Salt Irradiation Loop

Abou-Jaoude, Abdalla; Bhaskar, Sandesh

doi:10.13182/t30882

Transactions of the American Nuclear Society - Volume 121 2019

DOI: 10.13182/t30882

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Preliminary Design Evaluation of a Natural Circulation Molten Salt Irradiation Loop

Abdalla Abou-Jaoude¹,

Sandesh Bhaskar²

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2021

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Coupled Thermal-Hydraulic Analysis and Species Mass Transport in a Versatile Experimental Salt Irradiation Loop (VESIL) Using CTF

Walker

Abou-Jaoude

Taylor

et al. 2021

JNE

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With the resurgence of interest in molten salt reactors, there is a need for new experiments and modeling capabilities to characterize the unique phenomena present in this fluid fuel system. A Versatile Experimental Salt Irradiation Loop (VESIL) is currently under investigation at Idaho National Laboratory to be placed in the Advanced Test Reactor (ATR). One of the key phenomena this proposed experiment plans to elucidate is fission product speciation in the fuel-salt and the subsequent effects this has on the fuel-salt properties, source term generation, and corrosion control. Specifically, noble gases (Xe & Kr) will bubble out to a plenum or off-gas system, and noble metals (Mo, Tc, Te, etc.) will precipitate and deposit in specific zones in the loop. This work extends the mass transfer and species interaction models in CTF (Coolant-Boiling in Rod Arrays—Two Fluids) and applies these models to give a preliminary estimation of fission product behavior in the proposed VESIL design. A noble metal–helium bubble mass transfer model is coupled with the thermal-hydraulic results from CTF to determine the effectiveness of this insoluble fission product (IFP) extraction method for VESIL. Amounts of IFP species extracted to the off-gas system and species distributions in VESIL after a 60-day ATR cycle are reported.

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Coupled Thermal-Hydraulic Analysis and Species Mass Transport in a Versatile Experimental Salt Irradiation Loop (VESIL) Using CTF

Walker

Abou-Jaoude

Taylor

et al. 2021

JNE

View full text Add to dashboard Cite

show abstract

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Preliminary Design Evaluation of a Natural Circulation Molten Salt Irradiation Loop

Cited by 1 publication

References 0 publications

Coupled Thermal-Hydraulic Analysis and Species Mass Transport in a Versatile Experimental Salt Irradiation Loop (VESIL) Using CTF

Coupled Thermal-Hydraulic Analysis and Species Mass Transport in a Versatile Experimental Salt Irradiation Loop (VESIL) Using CTF

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