کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
4763843 | 1423255 | 2017 | 64 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Stage-to-stage calculations of distillation columns by fixed-point iteration and application of the Banach fixed-point theorem
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
مهندسی شیمی (عمومی)
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Stage-to-stage calculations of distillation columns by fixed-point iteration and application of the Banach fixed-point theorem Stage-to-stage calculations of distillation columns by fixed-point iteration and application of the Banach fixed-point theorem](/preview/png/4763843.png)
چکیده انگلیسی
This work presents a novel approach for stage-to-stage calculations of distillation columns based on the MESH equations. No simplifying assumptions such as constant molar overflow are used. The transition from one stage to the next is formulated as a fixed-point problem, which can be solved by fixed-point iteration. Applying the Banach fixed-point theorem, bounds on the minimum energy requirement are derived. Within these bounds a solution to the fixed-point problem is proven to exist and convergence of the fixed-point iteration is guaranteed. Additionally, energy bounds are derived below which it can be guaranteed that no fixed-point exists. The stage-to-stage calculations are combined with an outer optimization loop in order to conduct process simulation and optimization. The approach is illustrated by examples.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Chemical Engineering Science - Volume 164, 8 June 2017, Pages 188-201
Journal: Chemical Engineering Science - Volume 164, 8 June 2017, Pages 188-201
نویسندگان
Anna Hoffmann, Michael Bortz, Richard Welke, Jakob Burger, Karl-Heinz Küfer, Hans Hasse,