TY - GEN
T1 - Oil-infused superhydrophobic silicon surfaces for enhanced water condensation heat transfer
AU - Xiao, R.
AU - Enright, R.
AU - Miljkovic, N.
AU - Wang, E. N.
N1 - Publisher Copyright:
© 2012 TRF.
PY - 2012
Y1 - 2012
N2 - 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.
AB - 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.
UR - http://www.scopus.com/inward/record.url?scp=84944674903&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84944674903&partnerID=8YFLogxK
U2 - 10.31438/trf.hh2012.124
DO - 10.31438/trf.hh2012.124
M3 - Conference contribution
AN - SCOPUS:84944674903
T3 - Technical Digest - Solid-State Sensors, Actuators, and Microsystems Workshop
SP - 469
EP - 472
BT - 2012 Solid-State Sensors, Actuators and Microsystems Workshop, Hilton Head 2012
A2 - Mehregany, Mehran
A2 - Monk, David J.
PB - Transducer Research Foundation
T2 - 2012 Solid-State Sensors, Actuators and Microsystems Workshop, Hilton Head 2012
Y2 - 3 June 2012 through 7 June 2012
ER -