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IIR document
Experimental study of solid/liquid phase change of paraffin in 3D printed axially finned tubes obtained through topological optimization.
Number: 0037
Author(s) : FAVERO G., SLAVIERO G., ZHANG S., RIGHETTI G., PU L., MANCIN S.
Summary
The attention of the research community on phase change materials (PCMs) is continuously growing in terms of publications, pointing out the importance of this subject. To cope with the intermittent energy production of renewable energy sources, PCMs’ based latent thermal energy storages (LTESs) can be considered interesting candidates to store and release energy when the primary source is not available. However, PCMs suffer of some well-known issues, among those, one of the most limiting is their inherent low thermal conductivity that could lead to undesired partial charge and discharge cycles. In order to solve this particular problem, different configurations of a horizontal tube-in-tube storage were developed and fabricated via 3D additive manufacturing of AlSi10Mg aluminium alloy; two of the three fin configurations were designed via topological optimization, in order to maximize heat transfer between fins and PCM. Each sample was filled with 0.5 L of PCM (Rubitherm RT21HC) and a transparent plexiglass was used as external wall to visualize the phase change processes. The experimental tests were conducted inside a climatic chamber by varying the water inlet temperature to investigate the time for the PCM to be completely solidified or melted.
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Details
- Original title: Experimental study of solid/liquid phase change of paraffin in 3D printed axially finned tubes obtained through topological optimization.
- Record ID : 30032389
- Languages: English
- Subject: Technology
- Source: 14th IIR Conference on Phase-Change Materials and Slurries for Refrigeration and Air Conditioning. Proceedings: Paris France, May 29-31, 2024.
- Publication date: 2024/05/31
- DOI: http://dx.doi.org/10.18462/iir.pcm.2024.0037
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