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August 1, 2025Physics of Fluids

Tailored control of evaporation flux for uniform coffee-ring patterns in multiple nanofluid droplets

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Authors

JJJinghao JinHLHyung Ju LeeHLHyoungsoon LeeChung-Ang University

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Implication

Experimental analysis demonstrated improved coffee-ring consistency in nanofluid droplets with DI water, suggesting an effective evaporation approach.

Key Points

  • Inconsistent coffee-ring patterns from nanofluid droplets improved with DI water addition, allowing uniform deposition.
  • The introduction of DI water droplets increased overall evaporation time due to vapor accumulation effects.
  • Experimental and numerical analyses evaluated evaporation dynamics across a five-droplet system enhancing particle deposition.
  • Placement of DI water droplets influenced contact-line behavior, altering pinning duration and evaporation flux dynamics.

Cite This Study

Jin et al. (2025) studied this question.

synapsesocial.com/papers/68af56faad7bf08b1eadd468https://doi.org/10.1063/5.0278740
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