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Browsing by Author "Poulikakos, D."

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Engineering fully organic and biodegradable superhydrophobic materials

Milionis, A.; Sharma, C.S.; Hopf, R.; Uggowitzer, M.; Bayer, I.S.; Poulikakos, D. (2022-12-03)

The development of fully organic (cellulose/wax based), biodegradable, and hierarchically textured superhydrophobic material, inspired by natural, self-cleaning plants, like the Lotus leaf is reported. The developed material ...
Enhanced condensation on soft materials through bulk lubricant infusion

Sharma, C.S.; Milionis, A.; Naga, A.; Lam, C.W.E.; Rodriguez, G.; Del Ponte, M.F.; Negri, V.; Raoul, H.; D'Acunzi, M.; Butt, H.-J.; Vollmer, D.; Poulikakos, D. (2022-05-31)

Soft substrates enhance droplet nucleation during water vapor condensation because their deformability inherently reduces the energetic threshold for heterogeneous nucleation relative to rigid substrates. However, this ...
Rationally 3D-textured copper surfaces for laplace pressure imbalance-induced enhancement in dropwise condensation

Sharma, C.S.; Stamatopoulos, C.; Suter, R.; Rohr, P.R.; Poulikakos, D. (2018-12-29)

Enhancing the thermal efficiency of a broad range of condenser devices requires means of achieving sustainable dropwise condensation on metallic surfaces, where heat transfer can be further enhanced, by harvesting ...
Sprayable thin and robust carbon nanofiber composite coating for extreme jumping dropwise condensation performance

Donati, M.; Lam, C. W. E.; Milionis, A.; Sharma, C. S.; Tripathy, A.; Zendeli, A.; Poulikakos, D. (2021-08-02)

Condensation of water on metallic surfaces is critical for multiple energy conversion processes. Enhancement in condensation heat transfer efficiency often requires surface texturing and hydrophobicity, usually achieved ...
Ultrathin Durable Organic Hydrophobic Coatings Enhancing Dropwise Condensation Heat Transfer

Tripathy, A.; Regulagadda, K.; Lam, C.W.E; Dohnti, M.A.; Miloins, A.; Sharma, C.S.; Mitridis, E.; Suhutizus, T.M.; Poulikakos, D. (2022-09-27)

Organic hydrophobic layers targeting sustained dropwise condensation are highly desirable but suffer from poor chemical and mechanical stability, combined with low thermal conductivity. The requirement of such layers to ...
Ultrathin Lubricant-Infused vertical graphene nanoscaffolds for High-Performance dropwise condensation

Tripathy, A.; Lam, C.W.E; Davila, D.; Donati, M.; Milionis, A.; Sharma, C.S.; Poulikakos, D. (2021-10-24)

Lubricant-infused surfaces (LIS) are highly efficient in repelling water and constitute a very promising family of materials for condensation processes occurring in a broad range of energy applications. However, ...

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