In this work, using a mathematical model and numerical simulation, we investigate the effect of time-dependent evaporation rates on stripe formation inside containers. This pattern formation is driven by the coffee-ring effect. The coffee particles inside a container move according to random walk and under the gravitational force. Because of the time-dependent evaporation rate, we can observe stripe formation inside a container after evaporation of the coffee particle-laden liquid. Various numerical experiments are performed to demonstrate the proposed model can simulate the stripe formation in a container.
- Coffee-ring effect
- Stripe formation
- Time-dependent evaporation rate
ASJC Scopus subject areas
- Computational Mechanics
- Condensed Matter Physics
- Fluid Flow and Transfer Processes