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September 30, 2025Journal of TurbomachineryOpen Access

Effect of Surface Roughness, Contact Angle, and Temperature on Salt Crystallization from Sessile Drops

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Authors

SPS. PandeyUniversity of MinnesotaDPDavid L. PoerschkeUniversity of Minnesota

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Implication

This investigation reveals the effects of surface roughness and drying temperature on salt crystallization, suggesting implications for fouling.

Key Points

  • Higher temperatures lead to edge-dominant salt deposition patterns on surfaces, affecting crystallization outcomes.
  • Rough surfaces promote early heterogeneous nucleation, resulting in a broader distribution of smaller salt crystals.
  • Smooth surfaces like sapphire facilitate larger deposits with limited spread, differing from rougher surfaces.
  • Hydrophobic surfaces experience coalescence of precipitates, emphasizing the role of hydrophobicity in crystallization behavior.

Cite This Study

Pandey et al. (2025) studied this question.

synapsesocial.com/papers/68dc1e3b8a7d58c25ebb1b3dhttps://doi.org/10.1115/1.4069761
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Also Consider

Synapse has enriched 3 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Salt Crystallization during Evaporation: Impact of Interfacial Properties2008 · 282 citations
  2. 2Rings, Igloos, and Pebbles of Salt Formed by Drying Saline Drops2014 · 33 citations
  3. 3U. S. Navy’s Marine Gas Turbines1967 · 2 citations