Oil-infused superhydrophobic silicon surfaces for enhanced water condensation heat transfer

R. Xiao, R. Enright, N. Miljkovic, E. N. Wang

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Superhydrophobic surfaces have received significant interest for dropwise condensation to increase the efficiency of energy applications such as heat exchangers, power plants, and solar thermal energy conversion systems. While superhydrophobic surfaces can be fabricated using silane self-assembled coatings (SAC) on oxide structures, significant heat transfer enhancements require high nucleation densities that are difficult to achieve due to the high energy barrier for nuclei formation. In this work, we demonstrated that by infusing microstructured surfaces with low-surface tension oil, nucleation densities can be increased by over an order of magnitude while maintaining low droplet adhesion. This work offers a simple and scalable approach to create surfaces that can be tailored for enhanced heat transfer.

Original languageEnglish (US)
Title of host publication2012 Solid-State Sensors, Actuators and Microsystems Workshop, Hilton Head 2012
EditorsMehran Mehregany, David J. Monk
PublisherTransducer Research Foundation
Pages469-472
Number of pages4
ISBN (Electronic)9780964002494
StatePublished - Jan 1 2012
Externally publishedYes
Event2012 Solid-State Sensors, Actuators and Microsystems Workshop, Hilton Head 2012 - Hilton Head, United States
Duration: Jun 3 2012Jun 7 2012

Publication series

NameTechnical Digest - Solid-State Sensors, Actuators, and Microsystems Workshop

Other

Other2012 Solid-State Sensors, Actuators and Microsystems Workshop, Hilton Head 2012
CountryUnited States
CityHilton Head
Period6/3/126/7/12

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Electrical and Electronic Engineering
  • Hardware and Architecture

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