Special Section on Research Center Řež: Nuclear-Engineering Activities in 2018

Assessment of the TRACE Code for the He-Cooled Systems Simulation Capability Against Some He-FUS3 Experimental Measurements

[+] Author and Article Information
Guido Mazzini

Centrum Vyzkumu Řež (CVŘ),
Hlavní 130,
Husinec-Řež 250 68, Czech Republic
e-mail: guido.mazzini@cvrez.cz

Miloš Kynčl, Marek Ruščák, Miroslav Hrehor, Alis Musa, Antonio Dambrosio, Vincenzo Romanello

Centrum Vyzkumu Řež (CVŘ),
Hlavní 130,
Husinec-Řež 250 68, Czech Republic

1Corresponding author.

Manuscript received September 13, 2018; final manuscript received March 29, 2019; published online May 10, 2019. Assoc. Editor: Martin Schulc.

ASME J of Nuclear Rad Sci 5(3), 030914 (May 10, 2019) (8 pages) Paper No: NERS-18-1085; doi: 10.1115/1.4043377 History: Received September 13, 2018; Revised March 29, 2019

This paper focuses on the TRACE code assessment for helium-cooled systems thermal-hydraulic analysis. In the frame of the GoFastR (gas cooled fast reactor) European Collaborative Project, ENEA has offered some selected experimental data for the organization of a benchmark exercise aimed at the validation of the system and CFD codes for the gas reactor transient analyses. One of the Research Center Řež teams participated in it with a CFD code application. Now, the experimental data are used in order to assess the TRACE code for the ongoing high-temperature helium loop (HTHL-2) licensing process. The results of the TRACE calculations agreed very well with the experimental measurements (often within the experimental uncertainties) data provided by the He-FUS3 facility, indicating that the code, despite developed for water coolant applications, if an appropriately tuned input is adopted, it can also be suitable for reasonably accurate gas technology thermo-hydraulic simulations.

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Grahic Jump Location
Fig. 1

He-FUS3 facility configuration [7]

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Fig. 2

He-FUS3 piping layout 3D sketch (with height values (m), in black, and length values (m), in red in the online version) [7]

Grahic Jump Location
Fig. 3

He-FUS3 nodalization scheme—scheme 1

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Fig. 4

He-FUS3 nodalization—scheme 2

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Fig. 5

He-FUS3 nodalization—scheme 3

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Fig. 6

TRACE He-FUS3 thermo-hydraulic model verification—economizer; hot side; Calc #1_2

Grahic Jump Location
Fig. 7

TRACE HE-FUS3 thermal-hydraulic model verification—economizer; cold side; Calc #1_2



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