Numerical Simulation of Droplet Directional Transport on Multi-level Wettability Gradient Surfaces Under Microgravity Conditions

Key Points

• Droplet transport is significantly influenced by multi-level wettability gradients, enhancing directional control.
• Key findings illustrate how varying surface tensions affect droplet movement in microgravity conditions.
• Numerical simulation provides insights into fluid dynamics and droplet behaviors on engineered surfaces.
• These findings could inform designs in space-related applications, calling for further investigation into practical uses.