Abstract
This work presents some new experimental measurements collected on a very innovative system proposed for electronic cooling. This setup combines a classical heat sink with a latent thermal storage. The storage material is a phase change nanoemulsion made of water and 5 wt% of a commercial RT40HC paraffin wax with 1-octadecanol as nucleating agent (weight fraction 1:10 with respect to PCM), while the heat sink is made of copper via 3D printing. The integration between the two components does not interfere with the external air convective heat transfer, as the emulsion is embedded inside the heat sink, which has an internal cavity. The tests analyse the temperature of the component and the emulsion in different locations during the charging and discharging phases at several heat fluxes.
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