کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
5189909 1381193 2005 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Non-equilibrium chemical potential and polymer extraction from a porous matrix
موضوعات مرتبط
مهندسی و علوم پایه شیمی شیمی آلی
پیش نمایش صفحه اول مقاله
Non-equilibrium chemical potential and polymer extraction from a porous matrix
چکیده انگلیسی
The influence of a flow on the transfer of a polymer solution from a porous matrix to a flowing fluid is analysed. Since the flow modifies the free energy of the solution, through stretching and orientation of the macromolecules, the thermodynamic driving force for polymer transport is modified with respect to that of a quiescent fluid. The consequences of this modification for the extraction of a polymer from a porous matrix are explored in detail, and the formal results are explicitly illustrated by means of a specific solution. For the particular example analysed here, of possible interest in oil extraction or in microfluidic problems, the non-equilibrium effects may yield a reduction of the order of 10% of the extraction rate.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Polymer - Volume 46, Issue 23, 14 November 2005, Pages 10372-10377
نویسندگان
, , ,