Engineering & Technologyarticle2026-09-05

Development of a heat pipe module for AC 2 /ATHLET and transient simulation of an experiment

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Abstract

Abstract A heat pipe module was developed for the thermal hydraulics system code AC 2 /ATHLET to facilitate the analysis of heat pipe cooled-reactor concepts. The tool enables the transient simulation of liquid metal heat pipes. For validation, an experiment with a potassium heat pipe was successfully simulated. The simulation with different angles of inclination from horizontal to vertical is possible.

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View paper (DOI)Open access versionOpenAlexKerntechnikPublished 2026-09-05

Authors: Daniel Eckert, Philipp Schöffel, Jörg Starflinger

Institutions: University of Stuttgart, Gesellschaft für Anlagen und Reaktorsicherheit