Experimental and Numerical Investigations into Heat Transfer Using a Jet Cooler in High-Pressure Die Casting

Jan Bohacek, Krystof Mraz, Vladimir Krutis, Vaclav Kana, Alexander Vakhrushev, Ebrahim Karimi Sibaki, Abdellah Kharicha

Publikation: Beitrag in FachzeitschriftArtikelForschungBegutachtung


During high-pressure die casting, a significant amount of heat is dissipated via the liquid-cooled channels in the die. The jet cooler, also known as the die insert or bubbler, is one of the most commonly used cooling methods. Nowadays, foundries casting engineered products rely on numerical simulations using commercial software to determine cooling efficiency, which requires precise input data. However, the literature lacks sufficient investigations to describe the spatial distribution of the heat transfer coefficient in the jet cooler. In this study, we propose a solver using the open-source CFD package OpenFOAM and free library for nonlinear optimization NLopt for the inverse heat conduction problem that returns the desired distribution of the heat transfer coefficient. The experimental temperature measurements using multiple thermocouples are considered the input data. The robustness, efficiency, and accuracy of the model are rigorously tested and confirmed. Additionally, temperature measurements of the real jet cooler are presented.
FachzeitschriftJournal of Manufacturing and Materials Processing
PublikationsstatusVeröffentlicht - 28 Nov. 2023

Bibliographische Notiz

Computational resources were supplied by the project “e-Infrastruktura CZ”
(e-INFRA CZ LM2018140) and supported by the Ministry of Education, Youth and Sports of the
Czech Republic. Computational resources were provided by the ELIXIR-CZ project (LM2018131),
part of the international ELIXIR infrastructure.
The authors declare no conflict of interest.

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