Boussaid, Taha;
Motaghedolhagh, Kamyar;
Shariati, Azadeh;
Baghdadi, Mehdi;
(2025)
Thermo-Hydraulic Performance Analysis of Hybrid Enhanced Microchannel Heat Sink Designs.
In:
2025 Energy Conversion Congress & Expo Europe (ECCE Europe).
IEEE: Birmingham, United Kingdom.
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Abstract
Heat sinks using microchannels can efficiently extract dense heat fluxes from high-power electronic devices at relatively low chip temperatures. The current challenges remain in minimising the thermal gradient on the heated wall and gaining a better understanding of the two-phase heat transfer mechanisms. It is within this scope that new straight geometric configurations are proposed in this paper to reduce the thermal gradient on the backside of the MCHS. Moreover, an investigation of the nanofluid concentration on the hydrothermal performance is explored. For each design, a performance analysis has been conducted on the geometrical and physical parameters involved in dissipating a heat flux of q=100W/cm2. The final outcome is a hybrid design consisting of ribs and subdivided microchannels with an average heated wall temperature of 41° C under a total pressure drop of 18.57 kPa.
| Type: | Proceedings paper |
|---|---|
| Title: | Thermo-Hydraulic Performance Analysis of Hybrid Enhanced Microchannel Heat Sink Designs |
| Event: | 2025 Energy Conversion Congress & Expo Europe (ECCE Europe) |
| Dates: | 1 Sep 2025 - 4 Sep 2025 |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1109/ecce-europe62795.2025.11238484 |
| Publisher version: | https://doi.org/10.1109/ecce-europe62795.2025.1123... |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
| Keywords: | Heating systems, Europe, Three-dimensional printing, Performance analysis, Structural engineering, Heat sinks, Heat transfer, Thermal stability, Microchannels, Periodic structures |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Mechanical Engineering |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10218174 |
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