Experimental investigation of filmwise and dropwise condensation inside transparent circular tubes
Sign Up to like & getrecommendations! Published in 2017 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2016.08.175
Abstract: Abstract In this study, we conducted air-cooled condensation experiments inside bare and tetrafluoroethylene (TFE)-coated Pyrex glass tubes. Using infrared thermometry and side-view visualization with a charge-coupled device (CCD) camera, high-resolution local wall temperature distributions on… read more here.
Keywords: tfe coated; tube; dropwise condensation; condensation ... See more keywords
Modeling and simulating the growth of ellipsoidal droplets during dropwise condensation on pillared surfaces
Sign Up to like & getrecommendations! Published in 2019 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2018.11.001
Abstract: Abstract A numerical simulation model is proposed to describe ellipsoidal droplets growth on pillared substrates during dropwise condensation. Comparison between gray scale images taken from droplets growing on pillared surfaces with those growing on flat… read more here.
Keywords: growth; pillared surfaces; model; ellipsoidal droplets ... See more keywords
An experimental and theoretical analysis of vapor-to-liquid phase change on microstructured surfaces
Sign Up to like & getrecommendations! Published in 2020 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2020.115382
Abstract: Abstract In this work, an experimental and a theoretical study was carried out on condensation heat transfer on vertically aligned bare unstructured, micro V-grooved and square-grooved copper substrates. During the experiments, dropwise condensation and drop-film-wise… read more here.
Keywords: microstructured surfaces; surface; dropwise condensation; condensation ... See more keywords
Heat transfer and droplet population during dropwise condensation on durable coatings
Sign Up to like & getrecommendations! Published in 2020 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2020.115718
Abstract: Abstract Long-term sustainability of dropwise condensation (DWC) on treated surfaces is a key point for the exploitation of this heat transfer mechanism in industrial applications. A viable solution to achieve DWC, consisting of hybrid organic-inorganic… read more here.
Keywords: droplet; dropwise condensation; condensation; heat transfer ... See more keywords
Study on nucleation position and wetting state for dropwise condensation on rough structures with different wettability using multiphase lattice Boltzmann method
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2018.11.055
Abstract: Abstract Dropwise condensation on rough structures with different wettability are numerically simulated using Lattice Boltzmann method. The latent heat during condensation process together with the energy equation is taken into consideration in this paper by… read more here.
Keywords: nucleation; condensation rough; wettability; state ... See more keywords
Dropwise condensation in the presence of non-condensable gas: Interaction effects of the droplet array using the distributed point sink method
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2019.06.068
Abstract: Abstract With the presence of NCG, the vapor diffusion from ambient to the vapor/liquid interface must be considered during dropwise condensation. Historically, modeling dropwise condensation often makes the assumption that the droplet is growing in… read more here.
Keywords: droplet; point; point sinks; condensation ... See more keywords
Dropwise condensation of humid air - Experimental investigation and modelling of the convective heat transfer
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2020.119734
Abstract: Abstract In this investigation dropwise-condensation heat transfer of out of a turbulent flow of humid air is experimentally investigated. The test section consists of a horizontal channel, sized 12 × 32 × 750 mm. The condensation takes placed on a… read more here.
Keywords: humid air; dropwise condensation; heat transfer; transfer ... See more keywords
Composite Structured Surfaces for Durable Dropwise Condensation
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2020.119890
Abstract: Abstract Dropwise condensation of steam on hydrophobic substrates has a 10X higher heat transfer coefficient compared to filmwise condensation. To promote dropwise condensation, low surface energy hydrophobic coatings (polymers) are typically utilized. The low intrinsic… read more here.
Keywords: composite structured; dropwise condensation; condensation; surfaces durable ... See more keywords
A review of dropwise condensation: Theory, modeling, experiments, and applications
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2020.120172
Abstract: Abstract Dropwise condensation (DWC) is a heterogeneous phase-change process where vapor changes to liquid in the form of discrete drops on an unwetted surface. The heat transfer coefficients associated with DWC are significantly higher than… read more here.
Keywords: condensation theory; dropwise condensation; condensation; review dropwise ... See more keywords
Modeling and optimization of hydrophobic surfaces for a two-phase closed thermosyphon
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2020.120680
Abstract: Abstract Promoting dropwise condensation on condensers has the potential to significantly improve cooling and heat recovery performance of two-phase closed thermosyphons (TPCTs). If it is well designed, the dropwise condensation can provide an order of… read more here.
Keywords: dropwise condensation; condensation; dropwise; model ... See more keywords
Effect of layer-by-layer assembled carbon nanotube coatings on dropwise condensation heat transfer associated with non-condensable gas effect
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2021.121345
Abstract: Abstract The purpose of this study is to investigate the effect of layer-by-layer (LbL) assembled carbon nanotube (CNT) coatings on dropwise condensation heat transfer under steam–air mixture conditions. To promote dropwise condensation, an additional hydrophobic… read more here.
Keywords: heat; transfer; layer; effect ... See more keywords