| 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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Martucci, Alessandro
University of Padua
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (12/12 displayed)
- 2024Accurate prediction of the optical properties of nanoalloys with both plasmonic and magnetic elementscitations
- 2023Rapid laser-induced low temperature crystallization of thermochromic VO2 sol-gel thin filmscitations
- 2023Determination of the Optical Constants of Gold Nanoparticles from Thin-Film Spectracitations
- 2019Functionalization of Titanates–Silk Nanocomposites via Cation Exchange for Optical Applicationscitations
- 2018SiO2-SnO2:Er3+ transparent glass-ceramics: fabrication and photonic assessmentcitations
- 2018Nano-structured aluminum surfaces for dropwise condensationcitations
- 2015Fast One-Pot Synthesis of MoS2/Crumpled Graphene p-n Nanonjunctions for Enhanced Photoelectrochemical Hydrogen Productioncitations
- 2013Xylene sensing properties of aryl-bridged polysilsesquioxane thin films coupled to gold nanoparticlescitations
- 2012Highly luminescent and temperature stable quantum dot thin-films based on a ZnS compositecitations
- 2011Functional three-dimensional nonlinear nanostructures in a gold ion nanocomposite
- 2008Optical gas sensing of TiO2 and TiO2/Au nanocomposite thin filmscitations
- 2004Nanostructured sol-gel silica thin films doped with NiO and SnO2 for gas sensing applicationscitations
Places of action
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article
Nano-structured aluminum surfaces for dropwise condensation
Abstract
<p>Superhydrophobic surfaces represent a promising strategy to consistently promote dropwise condensation, which can lead to an important increase of the heat transfer coefficient as compared to filmwise condensation. To get superhydrophobicity, it is necessary to reduce the surface energy and to modify the surface structure by achieving superficial micro-roughness. In this work, aluminum surfaces were modified via chemical methods to promote dropwise condensation due to superhydrophobic behavior. The metal substrates were etched using three different strategies to impart nanoscale roughness; a fluorosilane film was subsequently deposited over them to decrease the surface energy in two different modes (spin coating and immersion). In the end, four different surfaces were investigated. Experimental tests of pure steam condensation on the resulting substrates showed that dropwise condensation was successfully achieved on the superhydrophobic surfaces, measuring heat transfer coefficients as high as 100 kW m<sup>−2</sup> K<sup>−1</sup>. Although the dropwise condensation moves soon to hybrid and filmwise condensation, the performance during pure dropwise condensation appears to be clearly linked to the different chemical procedures used in the sample preparation.</p>