| People | Locations | Statistics |
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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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Ebendorff-Heidepriem, Heike
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (11/11 displayed)
- 2023Controlled formation of gold nanoparticles with tunable plasmonic properties in tellurite glasscitations
- 2022Impact of rare earth doping on the luminescence of lanthanum aluminum silicate glasses for radiation sensing
- 2021Extruded suspended core fibers from lanthanum-aluminum-silicate glass
- 2019Micron scale thermometry using lanthanide doped tellurite glass
- 2019Effects of pressurization and surface tension on drawing Ge-Sb-Se chalcogenide glass suspended-core fibercitations
- 2018Stack-and-draw microstructured optical fiber with Ge28Sb12Se60 chalcogenide glasscitations
- 2017Extrusion of fluid cylinders of arbitrary shape with surface tension and gravitycitations
- 2016Microstructured Optical Fiber-based Biosensorscitations
- 2011Midinfrared optical rogue waves in soft glass photonic crystal fibercitations
- 2011Energy level decay and excited state absorption processes in erbium-doped tellurite glasscitations
- 2006Non-silica microstructured optical fibers for mid-IR supercontinuum generation from 2 µm - 5 µmcitations
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article
Extrusion of fluid cylinders of arbitrary shape with surface tension and gravity
Abstract
<p>A model is developed for the extrusion in the direction of gravity of a slender fluid cylinder from a die of arbitrary shape. Both gravity and surface tension act to stretch and deform the geometry. The model allows for an arbitrary but prescribed viscosity profile, while the effects of extrudate swell are neglected. The solution is found efficiently through the use of a carefully selected axial Lagrangian coordinate and a transformation to a reduced-time variable. Comparisons between the model and extruded glass microstructured optical fibre preforms show that surface tension has a significant effect on the geometry but the model does not capture all of the behaviour observed in practice. Experimental observations are used in conjunction with the model to argue that some deformation, due neither to surface tension nor gravity, occurs in or near the die exit. Methods are considered to overcome deformation due to surface tension.</p>