Computational and Experimental Investigation of Additively Manufactured Lattice Heat Sinks for Liquid-Cooling Railway Power Electronics
This study investigates the performance of lattice-structured heat sinks based on BCCz unit cells in comparison to conventional straight-fin and pin-fin designs. Various lattice configurations were explored. Numerical simulations and experimental evaluations were carried out to analyze thermal resis...
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2025-07-01
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| Online Access: | https://www.mdpi.com/1996-1073/18/14/3753 |
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| author | Ahmad Batikh Jean-Pierre Fradin Antonio Castro Moreno |
| author_facet | Ahmad Batikh Jean-Pierre Fradin Antonio Castro Moreno |
| author_sort | Ahmad Batikh |
| collection | DOAJ |
| description | This study investigates the performance of lattice-structured heat sinks based on BCCz unit cells in comparison to conventional straight-fin and pin-fin designs. Various lattice configurations were explored. Numerical simulations and experimental evaluations were carried out to analyze thermal resistance, pressure drop, and temperature distribution under different operating conditions. Among the designs, the BCCz configuration with a circular cross-section was identified as the most promising candidate for integration into the final heat sink demonstrator, offering reliable and consistent performance. A prototype using the BCCz lattice structure was additively manufactured, alongside a conventional design for comparison. The results highlight the superior heat dissipation capabilities of lattice structures, achieving up to a 100% improvement in thermal performance at high flow rates and up to 300% at low flow rates compared to a conventional straight-fin heat sink. However, the pressure drop generated by the lattice structures remains a challenge that must be addressed. This work underscores the potential of optimized lattice-based heat exchangers to meet the severe thermal management requirements of railway power electronics. |
| format | Article |
| id | doaj-art-653965f1afa24009bc6c0e7e5bb86c0a |
| institution | Kabale University |
| issn | 1996-1073 |
| language | English |
| publishDate | 2025-07-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Energies |
| spelling | doaj-art-653965f1afa24009bc6c0e7e5bb86c0a2025-08-20T03:32:32ZengMDPI AGEnergies1996-10732025-07-011814375310.3390/en18143753Computational and Experimental Investigation of Additively Manufactured Lattice Heat Sinks for Liquid-Cooling Railway Power ElectronicsAhmad Batikh0Jean-Pierre Fradin1Antonio Castro Moreno2Icam School of Engineering, Toulouse Campus, 31330 Toulouse, FranceIcam School of Engineering, Toulouse Campus, 31330 Toulouse, FranceIRT Saint Exupéry, 31400 Toulouse, FranceThis study investigates the performance of lattice-structured heat sinks based on BCCz unit cells in comparison to conventional straight-fin and pin-fin designs. Various lattice configurations were explored. Numerical simulations and experimental evaluations were carried out to analyze thermal resistance, pressure drop, and temperature distribution under different operating conditions. Among the designs, the BCCz configuration with a circular cross-section was identified as the most promising candidate for integration into the final heat sink demonstrator, offering reliable and consistent performance. A prototype using the BCCz lattice structure was additively manufactured, alongside a conventional design for comparison. The results highlight the superior heat dissipation capabilities of lattice structures, achieving up to a 100% improvement in thermal performance at high flow rates and up to 300% at low flow rates compared to a conventional straight-fin heat sink. However, the pressure drop generated by the lattice structures remains a challenge that must be addressed. This work underscores the potential of optimized lattice-based heat exchangers to meet the severe thermal management requirements of railway power electronics.https://www.mdpi.com/1996-1073/18/14/3753additive manufacturinglattice heat sinkrailway power electronicsliquid coolingCFD |
| spellingShingle | Ahmad Batikh Jean-Pierre Fradin Antonio Castro Moreno Computational and Experimental Investigation of Additively Manufactured Lattice Heat Sinks for Liquid-Cooling Railway Power Electronics Energies additive manufacturing lattice heat sink railway power electronics liquid cooling CFD |
| title | Computational and Experimental Investigation of Additively Manufactured Lattice Heat Sinks for Liquid-Cooling Railway Power Electronics |
| title_full | Computational and Experimental Investigation of Additively Manufactured Lattice Heat Sinks for Liquid-Cooling Railway Power Electronics |
| title_fullStr | Computational and Experimental Investigation of Additively Manufactured Lattice Heat Sinks for Liquid-Cooling Railway Power Electronics |
| title_full_unstemmed | Computational and Experimental Investigation of Additively Manufactured Lattice Heat Sinks for Liquid-Cooling Railway Power Electronics |
| title_short | Computational and Experimental Investigation of Additively Manufactured Lattice Heat Sinks for Liquid-Cooling Railway Power Electronics |
| title_sort | computational and experimental investigation of additively manufactured lattice heat sinks for liquid cooling railway power electronics |
| topic | additive manufacturing lattice heat sink railway power electronics liquid cooling CFD |
| url | https://www.mdpi.com/1996-1073/18/14/3753 |
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