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A study of jet impingement cooling enhancement by concave and convex heat sink shape modifications

Abstrakt

The rising demand for efficient cooling technologies is a strong driver of extensive research in this area. This trend is particularly strong in turbines and microprocessors technology. Presented study is focused on the jet impingement cooling concept, which is used in various configurations for many years. The potential of the heat sink shape modification is not yet fully explored. Available literature suggests that average Nusselt number can be improved by more than 10% by adding conical shape in the stagnation region. This refers to the axisymmetric case where cold-water jet impinges the surface of heated aluminium. Presented results are based on 2D axisymmetric thermal-FSI (Fluid-Solid Interaction) model, which was validated against the experiment. The objective of the presented analysis is to determine the correlation between cooling effectiveness (Nusselt number) and chosen examples of concave and convex shapes located in the jet stagnation area.

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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuły w czasopismach
Opublikowano w:
E3S Web of Conferences nr 323,
ISSN:
Język:
angielski
Rok wydania:
2021
Opis bibliograficzny:
Froissart M., Ziółkowski P., Badur J.: A study of jet impingement cooling enhancement by concave and convex heat sink shape modifications// E3S Web of Conferences -Vol. 323, (2021), s.00010-
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1051/e3sconf/202132300010
Źródła finansowania:
Weryfikacja:
Politechnika Gdańska

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