Freitas, PauloSantos, CyrilCarreira, PedroMateus, Artur2023-04-042023-04-042019-04-09Freitas, P., Santos, C., Carreira, P., & Mateus, A. (2019). High Efficiency Cooling and Heating Channels for Injection Moulding. Applied Mechanics and Materials, 890, 43–53. https://doi.org/10.4028/www.scientific.net/amm.890.431662-7482http://hdl.handle.net/10400.8/8316This work was supported by the Portuguese Foundation for Science and Technology (FCT) through the following project: UID/Multi/04044/2013 and PAMI ROTEIRO/0328/2013 (Nº 022158). In addition, the authors acknowledge the funding from the project Coolgrafeno, copromoção n. 17883 from the Portuguese National Innovation Agency.For many years traditional injection moulding has been the norm for obtaining polymer based products, and yet this cycle still shows potential for improvement. This paper will encompass the potential in the thermal part of the cycle, by introducing a novel approach to conventional tubular cooling designs, empowered by additive technologies this reiterates what’s being known as conformal cooling. Different geometries and techniques are compared to determine the optimal cross section layout of the fluid channels and inner surface of the moulding parts. If the cooling achieved is sufficiently fast the crystallographic growth of the material can be manipulated to obtain specific properties observable in the mesoscale. This however can be transversely applied in other heat exchanging structures in future studies.engMould conformal coolingChannel finsHigh aspect ratioTopological optimizationMould design methodology.journal articlehttps://doi.org/10.4028/www.scientific.net/AMM.890.43