Liquid cooling for mobile base station

Nörtershäuser, D.; Masson, Stéphane Le; Volkov, Topi; Huttunen, Jari; Douchet, Fabien

doi:10.1109/intlec.2014.6972174

Cited by 2 publications

(1 citation statement)

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“…Liquid cooling is already implemented and researched for cooling of enclosures of electronic devices [18] or direct cooling of the electronic chips by micro-channels [19]. Micro-channels are channels with hydraulic diameters ranging 10-200 μm fabricated for example by micromachining, sawing, or etching [20].…”

Section: Introductionmentioning

confidence: 99%

Application of hybrid friction stir channeling technique to improve the cooling efficiency of electronic components

et al. 2018

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Hybrid friction stir channeling (HFSC) is a new friction stir-based method for producing internal, closed channels created simultaneously during welding of multiple metal plates. Differently from conventional friction stir channeling, that is only able to produce channels in a monolithic component, HFSC can be applied to complex structural systems involving multiple components made of similar or dissimilar materials. In this study, the channels manufactured by HFSC were open in a structural system made of AA5083, with one base plate of 5 mm thick, and one overlapping plate of 8 mm thick, used as a rib, containing the channel along conformal cooling path. The thermal performance of the HFSC channel is compared with a conventional channel, with similar shape and path, produced by milling. The channels being tested are part of an electronic device containing multiple heat sources. The HFSC channel presents 30 to 40% lower steady-state temperature and 33% higher cooling rate during the transient period than those of the milled version. Compared with the milled channel, the heat extraction capacity, per unit of mechanical pumping power, is higher for the HFSC channel. Surface roughness, microhardness, and microstructural analysis of HFSC channels are investigated to characterize the HFSC channel.

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Section: Introductionmentioning

confidence: 99%