کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
661374 | 1458153 | 2007 | 14 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Interfacial thermocapillary pressure of an accelerated droplet in microchannels: Part I. Fluid flow formulation
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
جریان سیال و فرایندهای انتقال
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
Fluid flow and thermocapillary heat transfer near a droplet/air interface in microchannels is studied analytically and numerically in this set of two companion papers. Thermocapillary forces generate a pressure difference across the droplet, which drives two symmetric re-circulation cells in the upper and lower half-portions of the droplet. The numerical formulation uses a sliding grid for the accelerating droplet, as well as an expanding/contracting grid in the gas region and an adaptive grid in the substrate below the closed-end microchannel. In contrast to past studies with a uniform interfacial pressure, this paper accommodates a varying interfacial pressure along the receding edge of the droplet.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: International Journal of Heat and Mass Transfer - Volume 50, Issues 25–26, December 2007, Pages 5269–5282
Journal: International Journal of Heat and Mass Transfer - Volume 50, Issues 25–26, December 2007, Pages 5269–5282
نویسندگان
P.S. Glockner, G.F. Naterer,