کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
6589178 | 456835 | 2016 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Graphical estimation of interface mass-transfer coefficient (k) using pressure-decay data
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
مهندسی شیمی (عمومی)
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چکیده انگلیسی
A new graphical procedure is proposed to estimate the interface resistivity in terms of interface mass-transfer coefficient (k) in gas-oil pressure decay experiments. We provide a time-domain closed-form analytical solution by the use of Integral Method (IM) to the equations governing the gas-phase-pressure decay with the improved time-dependent gas-oil interface boundary condition. A graphical technique, derived from this analytical solution, is proposed to extract the interface mass-transfer coefficient and Henry׳s constant. Application of this method to synthetic and experimental pressure-decay data shows that the estimated parameters are in agreement with those reported in the literature. The proposed procedure, coupled with a graphical technique to estimate the diffusion coefficient, is an asset for a simple, quick, and reliable estimation of interface mass-transfer coefficient and Henry's constant.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Chemical Engineering Science - Volume 146, 2 June 2016, Pages 35-43
Journal: Chemical Engineering Science - Volume 146, 2 June 2016, Pages 35-43
نویسندگان
F.J. Pacheco Roman, S.H. Hejazi,