Abstract
In the present study, the fundamental model for interfacial heat transfer coefficient (IHTC) in high-pressure die-casting (HPDC) developed by Hamasaiid et al. is re-examined using numerical simulations and established literature. The role of impact pressure on the peak IHTC is re-evaluated for the Aluminum alloy Al-9Si-3Cu and the magnesium alloy AZ91D. Currently, ANSYS FLUENT does not have a mesh independent model for air gap evolution at the die-casting boundary. To address this, an implementation of the Hamasaiid model is built for ANSYS FLUENT 18.1 and its results are compared to experimental work. All the derivations and code for the simulations are offered as open source under the GNU General Public License v3.0.
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