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Gold nanofluid prevents geyser effect in thermosyphon

DOI: 10.1615/ICHMT.2015.THMT-15.1210
pages 563-566

U. Franzke
Institut fur Luft- und Kaltetechnik Dresden, Bertolt-Brecht Allee 20,01309 Dresden, Germany

Matthias H. Buschmann
Institut für Luft- und Kältetechnik gGmbH, Bertolt-Brecht-Allee 20, 01309 Dresden, Germany


Nanofluids have gained significant interest as alternative heat carriers. Even more, their application in heat pipes, oscillating heat pipes, and thermosyphons indicates an increase of the transferable amount of heat. Here we report the application of a low concentrated gold nanofluid in a thermosyphon. The general finding is that the negative effect of instantaneous boiling due to not enough heat being provided at the evaporator, the so-called geyser effect, is prevented when the gold nanofluid is employed as working fluid. Once continuous boiling is reached, the amount of transferred heat employing pure water or gold nanofluid is nearly the same.

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