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This paper introduces an ongoing research on geothermal cooling solution (GCS) for outdoor cabinets that are used to contain telecom equipment such as FTTX network, mobile network and etc. The principle of GCS is that the heat generated inside cabinet from telecom facilities is transferred to water by an air-water heat exchanger, and then water dissipates the heat to shallow underground soil by water-soil...
We model a nanomaterial showing a hybrid thermal behavior between dissipative and insulating regimes. The nanomaterial is made up of a thin Si suspended membrane covered by self-assembled Ge quantum dots (QDs) with facets. A membrane plane is constituted from the orthogonal [100] and [001] directions (x and z, respectively). The QDs are stretched in [001] forming nanoscale phonon waveguides. When...
Carbon nanotube enhanced thermally conductive phase change material for heat dissipation has been studied in the present paper. It was indicated that the thermal resistance was greatly reduced by incorporating multi-walled carbon nanotubes into the organic matrix. The uniform distribution of carbon nanotubes has been realized by optimizing the dispersion parameters like temperature, shear strength,...
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