Material Selection and Heat Transfer Model for PTUHS Device

Gironda, Andrew Richard [Idaho National Laboratory]; Ougouag, Abderrafi M. [Idaho National Laboratory] (ORCID:000000034436380X); Griffith, George W [Idaho National Laboratory] (ORCID:0000000219682246); Rahnema, Farzad [The Georgia Institute of Technology]

DOE OSTI · 3363088

Material Selection and Heat Transfer Model for PTUHS Device

Gironda, Andrew Richard [Idaho National Laboratory]·Ougouag, Abderrafi M. [Idaho National Laboratory] (ORCID:000000034436380X)·Griffith, George W [Idaho National Laboratory] (ORCID:0000000219682246)·Rahnema, Farzad [The Georgia Institute of Technology]

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Abstract

The Path to Ultimate Heat Sink Device (PTUHS) is a passive safety system that utilizes a radiative heat transfer valve to control the rate at which heat is removed from a nuclear reactor pressure vessel (RPV) and dispersed into surrounding soil. The material selection for the PTUHS device is investigated, where the thermophysical properties are either maximized or minimized bases on what section of the PTUHS that material is being used for. Final recommendations of material choice are then presented. The heat transfer model of the PTUHS device is solved in ABAQUS, where a normal operating conditions and SCRAM conditions are solved. These temperature maps and heat flux of the system show the system's ability, where minimal heat is lost during normal operating conditions and system failure in a SCRAM scenario due to temperatures that were reached.

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BibTeX RIS

Gironda, Andrew Richard [Idaho National Laboratory], Ougouag, Abderrafi M. [Idaho National Laboratory] (ORCID:000000034436380X), Griffith, George W [Idaho National Laboratory] (ORCID:0000000219682246), Rahnema, Farzad [The Georgia Institute of Technology]. 2025-08-12. Material Selection and Heat Transfer Model for PTUHS Device. https://www.osti.gov/biblio/3363088

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