کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
597929 1454081 2006 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Evaporation of sessile liquid droplets
کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی شیمی کلوئیدی و سطحی
پیش نمایش صفحه اول مقاله
Evaporation of sessile liquid droplets
چکیده انگلیسی

The evaporation of sessile liquid droplets on a completely wetted substrate is a complex dynamical process. Available models assume that the evaporation flux is controlled by the stationary diffusion of the liquid molecules in the atmosphere, and that the interface is in equilibrium with the gas phase just above it. This assumption must be reconsidered at the moving contact line, but the description of the thin edge of the drop is still an open question. The present paper reports experiments performed with alkanes on bare and grafted silicon wafers. It is shown that the short range part of the interaction plays no role on the dynamics, but provides an indirect evidence of the presence of a mesoscopic evaporating film left on the substrate ahead of the receding contact line.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Colloids and Surfaces A: Physicochemical and Engineering Aspects - Volume 291, Issues 1–3, 15 December 2006, Pages 191–196
نویسندگان
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