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This study aims to understand pore-scale drying dynamics in microfluidic networks under different temperature ramping and wetting conditions.

Pore-scale investigation of rapid, non-equilibrium drying in microfluidic pore networks: mapping diffusion-to-ejection transitions

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Randomized trial maps diffusion and ejection transitions in pore networks, suggesting implications for rapid drying processes.

This study aims to understand pore-scale drying dynamics in microfluidic networks under different temperature ramping and wetting conditions.
Investigated drying of acetone and water in microfluidic uniform networks.
Analyzed effects of varying initial saturation (50–100%) and heating rates (10–170°C/min).
Mapped transitions between diffusion-limited drying and ejection events under isothermal and rapid temperature conditions.
Rapid heating led to pore-scale instabilities and significant liquid expulsion events.
High initial saturation increased pressure buildup, causing more intense ejections compared to low saturation.
Wettability significantly impacted drying behavior, reversing trends observed at constant temperatures.

Malki et al. (2026) studied this question.

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