<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>The heat transfer and pressure drop in a microchannel heat sink with 02 mixing chambers with inclined walls were numerically studied. The transport equations have been resolved by the finite volume method using ANSYS Fluent software. The operating fluids are water and Al2O3-water. The results obtained for Reynolds numbers ranging from 187 and 705 show that adding a micro-mixing chamber with a rectangular rib in the microchannel improves the heat transfer and increases the pressure drop compared to conventional microchannels. The new shape of the mixing chamber studied shows a net decrease in pressure drop, which improves the performance of the micro heat sink by 5.6%.</p>
</abstract>

The heat transfer and pressure drop in a microchannel heat sink with 02 mixing chambers with inclined walls were numerically studied. The transport equations have been resolved by the finite volume method using ANSYS Fluent software. The operating fluids are water and Al2O3-water. The results obtained for Reynolds numbers ranging from 187 and 705 show that adding a micro-mixing chamber with a rectangular rib in the microchannel improves the heat transfer and increases the pressure drop compared to conventional microchannels. The new shape of the mixing chamber studied shows a net decrease in pressure drop, which improves the performance of the micro heat sink by 5.6%.

Numerical Study of Laminar Forced Convection of Nanofluid in a New Microchannel Heat Sink

Laboratoire Mécanique et systèmes énergétiques avancés

Strojnícky časopis - Journal of Mechanical Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The heat transfer and pressure drop in a microchannel heat sink with 02 mixing chambers with inclined walls were numerically studied. The transport equations...

Numerical Study of Laminar Forced Convection of Nanofluid in a New Microchannel Heat Sink

Published Online: Dec 07, 2021

Page range: 31 - 40

DOI: https://doi.org/10.2478/scjme-2021-0015

Keywords
Nanofluid, Microdissipator, Mixing chamber, Nusselt number

© 2021 Bouhabel Bourhane et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Numerical Study of Laminar Forced Convection of Nanofluid in a New Microchannel Heat Sink

Published Online: Dec 07, 2021

Page range: 31 - 40

DOI: https://doi.org/10.2478/scjme-2021-0015

KeywordsNanofluid, Microdissipator, Mixing chamber, Nusselt number

© 2021 Bouhabel Bourhane et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
Nanofluid, Microdissipator, Mixing chamber, Nusselt number