Boiling Flows in Small and Microchannels (BONSAI): From Fundamentals to Design
Lead Research Organisation:
University of Nottingham
Department Name: Faculty of Engineering
Abstract
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Organisations
Publications
Cioncolini A
(2021)
Shapes and Rise Velocities of Single Bubbles in a Confined Annular Channel: Experiments and Numerical Simulations
in Fluids
El Mellas I
(2023)
Dynamics of long bubbles propagating through cylindrical micro-pin fin arrays
in International Journal of Multiphase Flow
Magnini M
(2022)
Liquid film distribution around long gas bubbles propagating in rectangular capillaries
in International Journal of Multiphase Flow
Municchi F
(2022)
Conjugate heat transfer effects on flow boiling in microchannels
in International Journal of Heat and Mass Transfer
| Description | With this award we have developed a massively-parallel computational model for accurate 3-D numerical simulations of flow boiling phenomena in small/microchannels that has been validated against a vast experimental dataset from the literature. Using this software, we have clarified the impact of the microchannel shape within microevaporators and provided guidelines for the design of heat sink that maximise heat transfer. |
| Exploitation Route | Our publications are open access and all resarch outcomes are available in our published papers |
| Sectors | Energy |
| Description | Hybrid Atomistic-Continuum Simulations of Boiling Across Scales |
| Amount | £46,176 (GBP) |
| Organisation | ARCHER |
| Sector | Charity/Non Profit |
| Country | United Kingdom |
| Start | 05/2022 |
| End | 08/2023 |
| Description | Robust micro-evaporators for thermal management of high-power devices |
| Amount | £19,858 (GBP) |
| Organisation | The Royal Society |
| Sector | Charity/Non Profit |
| Country | United Kingdom |
| Start | 03/2022 |
| End | 03/2023 |
| Title | interBoilingFoam |
| Description | This is a computational fluid dynamics model to perform direct numerical simulations of boiling flows with a geometric volume-of-fluid interface capturing technique, also accounting for conjugate heat transfer, developed on the opensource toolbox OpenFOAM |
| Type Of Material | Computer model/algorithm |
| Year Produced | 2022 |
| Provided To Others? | No |
| Impact | This model enables simulations of boiling flows in microchannels with superior fidelity to state-of-art models, as it has been demonstrated upon comparison with selected experimental datases from the literature. Though the model is not yet publicly available, it has been shared with colleagues at other institutions (Imperial College, Karlsruhe Insatitute of Technology) who are using it for their studies |