Journal
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
Volume 198, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijheatmasstransfer.2022.123352
Keywords
Lattice structures; Additive manufacturing; Heat transfer; Optimization; Pressure drop
Categories
Funding
- National Research Foundation of Korea - Korean government (MSIP _ [2020R1A2B5B02002512]
- Ministry of Education [MOST 109-2221-E-027-017-MY2]
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Lattice structures are a type of cellular materials with enhanced thermomechanical properties, and they have gained attention in engineering applications due to advancements in additive manufacturing technology. This article reviews the material classification, fabrication techniques, and heat transfer characteristics of lattice structures, providing important conclusions and future research directions.
Lattice structures are a class of cellular materials with enhanced thermomechanical properties compared with their counterpart cellular materials such as foams. They have recently attracted researchers towards implementation in various engineering applications due to their diverse fabrication techniques driven by the advancement in additive manufacturing technology. This article reviews the four classes of materials (polymers, ceramics, liquid resins, and metals and alloys) used to fabricate the various lattice structures employed in different thermal applications. Firstly, the classification and description of the lattice struc-tures are concluded, along with their applications in several domains in general and particularly in ther-mal systems. Secondly, the materials and fabrication techniques used for lattice structure manufacturing are briefly reviewed. Thirdly, extensive literature analysis is carried out on the heat transfer character-istics of numerous categories of lattice structures. Results revealed that lattice structures are the most promising media to enhance the thermo-hydraulic performance of heat-transferring systems in terms of augmenting the heat transfer rate and reducing the pressure drop. Meanwhile, some of its designs in-crease its thermal resistance, suitable for application in energy storage systems. On the basis of critical analysis of the fabrication, characterization and applications, several important conclusions are presented, along with the future research directions, to fill the gap in this area of research.(c) 2022 Elsevier Ltd. All rights reserved.
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