In dropwise condensation the condensate liquid collects in the form of countless droplets of varying diameters on the condensing surface, instead of forming a continuous film, and does not wet the solid cooling surface. The droplets develop at points of surface imperfections (pits, scratches), called nucleation sites, and grow in size as more vapour condenses on its exposed surface.
In dropwise condensation the condensate liquid collects in the form of countless droplets of varying diameters on the condensing surface, instead of forming a continuous film, and does not wet the solid cooling surface. The droplets develop at points of surface imperfections (pits, scratches), called nucleation sites, and grow in size as more vapour condenses on its exposed surface.
Source: Wikipedia "Dropwise condensation" · CC BY-SA 4.0
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