Redesigned Heat Sinks Using 3D Printers

Plunkett Associates has successfully redesigned heat-sinks to improve convection cooling performance using Direct Metal Laser Sintering (DMLS), or 3D printing.

“Each heat-sink was first produced in virtual form and simulated using Computational Fluid Dynamics (CFD) software,” reported

“The top five heat-sinks were then built by 3T RPD Ltd. using DMLS and physically tested to confirm the accuracy of the virtual tests,” according to reports that Plunkett Associates turned to the DMLS process because the “revamped 3D printed components possessed [such] complex internal architectures” they “could not be replicated using other manufacturing processes.”

“All five models showed a significant improvement over a standard extruded heat-sink,” confirmed

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