On the CFD Modelling of Slamming of the Metal Melt in High-Pressure Die Casting Involving Lost Cores
Abstract
:1. Introduction
2. Model Equations and Simulation Methodology
2.1. Model Equations
2.2. Simulation Methodology
3. Results and Discussion
3.1. The Concept of the Dimensionless Slamming Factor
3.2. Determining the Slamming Factor with Respect to Mesh Resolution
3.3. Effect of Turbulence
3.4. Effect of Courant Number
3.5. Response of the Core to the Spike-Like Force Impact
4. Conclusions
Author Contributions
Funding
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
Appendix A. The Menter SST k-ω Model (Menter 1994)
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Boundary | U/ms | p/Pa | T/K | |||||
---|---|---|---|---|---|---|---|---|
inlet | = 1 | = | = 0 | T | = | |||
outlet | = 0 | = 0 | p | = | = 0 | |||
salt core | = 0 | = 0 | = | = 0 | ||||
wall | = 0 | = 0 | = | = 0 |
720 J kg K | |
---|---|
1000 J kg K | |
0.026 W mK | |
70 W mK | |
M | 0.028 kg mol |
293 K | |
Pa | |
823 K | |
10, 20 m s | |
1.8 Pa s | |
1.62 Pa s | |
2520 kg m | |
0.629 N m |
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Kohlstädt, S.; Vynnycky, M.; Goeke, S. On the CFD Modelling of Slamming of the Metal Melt in High-Pressure Die Casting Involving Lost Cores. Metals 2021, 11, 78. https://doi.org/10.3390/met11010078
Kohlstädt S, Vynnycky M, Goeke S. On the CFD Modelling of Slamming of the Metal Melt in High-Pressure Die Casting Involving Lost Cores. Metals. 2021; 11(1):78. https://doi.org/10.3390/met11010078
Chicago/Turabian StyleKohlstädt, Sebastian, Michael Vynnycky, and Stephan Goeke. 2021. "On the CFD Modelling of Slamming of the Metal Melt in High-Pressure Die Casting Involving Lost Cores" Metals 11, no. 1: 78. https://doi.org/10.3390/met11010078