کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1899779 | 1045140 | 2010 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Double-diffusive cellular fingering in the horizontally propagating fronts of the chlorite–tetrathionate reaction
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
ریاضیات
ریاضیات کاربردی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Double-diffusive cellular fingering in the horizontally propagating fronts of the chlorite–tetrathionate reaction Double-diffusive cellular fingering in the horizontally propagating fronts of the chlorite–tetrathionate reaction](/preview/png/1899779.png)
چکیده انگلیسی
Horizontally propagating chemical fronts have been studied in the acid-catalyzed chlorite–tetrathionate reaction. Unusual cellular fingers develop in a relatively thin solution layer. Double-diffusive convection is among the driving forces in the pattern formation arising from the addition of a polyelectrolyte which immobilizes and reversibly removes the autocatalyst hydrogen ion in a controlled manner and drastically slows down the front. Convection therefore becomes significant in the thin horizontal solution layer. To corroborate our results we have measured the solution densities and viscosities, and determined the diffusion coefficients by PFGSE 1H-NMR.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Physica D: Nonlinear Phenomena - Volume 239, Issue 11, 1 June 2010, Pages 831–837
Journal: Physica D: Nonlinear Phenomena - Volume 239, Issue 11, 1 June 2010, Pages 831–837
نویسندگان
Tamás Rica, Éva Pópity-Tóth, Dezső Horváth, Ágota Tóth,