Abstract
The Improved Condensation Heat Transfer Models on Homogeneous and Heterogeneous Surfaces
Highlights
Compared with the classical model, the improved model behaves three features: (1) The linking from surface wettability to nanopillars parameters is established; (2) The nano-porous thermal resistance under condensate droplets is considered; (3) The transition criteria of different droplet detachment modes including sliding, rolling and jumping is incorporated
Surface with dense nano-pillars is recommended to enhance condensation heat transfer due to the positive contribution suppressing the negative contribution
The condensate droplets on hydrophobic stripe are sucked by hydrophilic stripe
Summary
The Improved Condensation Heat Transfer Models on Homogeneous and Heterogeneous Surfaces Jian Xie*, Cong Liang, Qingting She and Jinliang Xu Beijing Key Laboratory of Multiphase Flow and Heat Transfer for Low Grade Energy Utilization, North China Electric Power University, Beijing, 102206, China. Abstract: Recently, micro/nano structured surfaces with various wettabilities have been developed to enhance condensation heat transfer.
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