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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Hinduja, Srichand
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Topics
Publications (14/14 displayed)
- 2021A Review on Microcellular Injection Mouldingcitations
- 2010Image processing methods for online measurement in radial-axial ring rolling
- 2009Investigating the feasibility of DLC-coated twist drills in deep-hole drillingcitations
- 2006Effect of MQL on the tool life of small twist drills in deep-hole drillingcitations
- 2006Boundary element stress analysis for bi-metallic dies in pressure diecastingcitations
- 2006Boundary element stress analysis for copper-based dies in pressure die castingcitations
- 2006Bi-metallic dies for rapid die castingcitations
- 2006Experimental investigation into the thermal behavior of copper-alloyed dies in pressure die castingcitations
- 2006The performance of small diameter twist drills in deep-hole drillingcitations
- 2002Optimization for boiling heat transfer determination and enhancement in pressure die castingcitations
- 2001Novel cooling channel shapes in pressure die castingcitations
- 2000An experimental and numerical investigation into the thermal behavior of the pressure die casting processcitations
- 2000Determination of heat transfer coefficients using a 1-d flow model applied to irregular shaped cooling channels in pressure diecastingcitations
- 2000Predicting heat extraction due to boiling in the cooling channels during the pressure die casting processcitations
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article
Novel cooling channel shapes in pressure die casting
Abstract
The pressure die casting involves die designs incorporating cooling channels positioned to facilitate the controlled extraction of energy from a solidifying casting. It is now known that subcooled nucleate boiling can occur in cooling channels and this paper is concerned with novel cooling channel shapes that are optimized to promote and enhance this boiling and thus reduce casting times. Shape sensitivity analysis is applied to a boundary element model using the material derivative adjoint variable technique. Mesh node positions on the cooling channels are used as the design parameters. The sensitivities are used in a conjugate gradient non-linear optimization routine. It is shown that with this approach cooling channels can be designed to maximize boiling heat transfer whilst at the same time allow some degree of control of spatial temperature variation over the die cavity surface. Simulation and experimental results are presented for a traditional die and an optimized die. A 60 per cent reduction in cycle time is achieved with the optimized die. Copyright © 2001 John Wiley & Sons, Ltd.