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Title: Fabrication of heat sinks by Selective Laser Melting for convective heat transfer applications
Authors: Wong, Kin Keong
Ho, Jin Yao
Leong, Kai Choong
Wong, Teck Neng
Keywords: Engineering
Issue Date: 2016
Source: Wong, K. K., Ho, J. Y., Leong, K. C., & Wong, T. N. (2016). Fabrication of heat sinks by Selective Laser Melting for convective heat transfer applications. Virtual and Physical Prototyping, 11(3), 159-165. doi:10.1080/17452759.2016.1211849
Journal: Virtual and Physical Prototyping 
Abstract: In this paper, the forced convective heat transfer performance of heat sinks produced by Selective Laser Melting (SLM) was experimentally investigated. Three heat sinks comprising pin fins of circular, rectangular-rounded and aerofoil geometries were fabricated by SLM from aluminium alloy AlSi10Mg powder. The heat sinks were tested in a rectangular air flow channel for convective heat transfer performance. Experiments performed for Reynolds numbers ranging from 3400 to 24,000 show that the heat transfer performances of the aerofoil and rectangular-rounded heat sinks exceeded those of the circular heat sink. Using the cylindrical heat sink as a benchmark, the average enhancements in the normalised Nusselt numbers were computed to be 15.0% and 21.4% for the rectangular-rounded and aerofoil heat sinks, respectively. It was demonstrated that SLM can be employed to design and fabricate heat sinks of customised geometries for heat sink applications.
ISSN: 1745-2759
DOI: 10.1080/17452759.2016.1211849
Rights: This is an Accepted Manuscript of an article published by Taylor & Francis in Virtual and Physical Prototyping on 25 Jul 2016, available online:
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SC3DP Journal Articles

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