Yonghai Zhang
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View article: Strategic Multi-Level Wettability Gradient Distribution for Directional Migration of Droplets: Toward Microgravity Condensate Management
Strategic Multi-Level Wettability Gradient Distribution for Directional Migration of Droplets: Toward Microgravity Condensate Management Open
This study employs two-dimensional numerical simulation to characterize droplet migration and collision dynamics on unidirectional and symmetrical multi-stage wettability gradient (WG) surfaces under Earth (g₀), Martian (0.38g₀), and micro…
View article: Enhanced Steam Condensation on Non-Uniform Wettability Patterned Surfaces: Heat Transfer and Visualization Study
Enhanced Steam Condensation on Non-Uniform Wettability Patterned Surfaces: Heat Transfer and Visualization Study Open
View article: Experimental study of condensation heat transfer in tubes under centrifugal force
Experimental study of condensation heat transfer in tubes under centrifugal force Open
In this study, fluid flow during condensation in a tube under different gravity conditions is simulated by utilizing centrifugal force to offset gravitational effects. The role of fins, tube diameter, and vapor mass on the two-phase flow p…
View article: Study on the instability of FC-72 vapor-liquid interface in a rectangular channel under different gravity conditions
Study on the instability of FC-72 vapor-liquid interface in a rectangular channel under different gravity conditions Open
This paper investigates the instability of FC-72 vapor-liquid interface in a rectangular channel under different gravity conditions employing short-term microgravity experimental systems designed based on the drop tower platform. Visual ob…
View article: A Novel Vapor Chamber with Gradient Capillary Wick and Larger Expansion Area
A Novel Vapor Chamber with Gradient Capillary Wick and Larger Expansion Area Open