Dieses Dokument steht unter einer CreativeCommons Lizenz by-nc-nd/4.0
Verlagslink DOI: 10.1016/j.proeng.2016.08.375
Titel: Synthesis of heat exchanger networks taking into account cost and dynamic considerations
Sprache: English
Autor/Autorin: Rathjens, Matthias 
Bohnenstädt, Timo 
Fieg, Georg 
Engel, Ole 
Schlagwörter: heat exchanger network synthesis;dynamics;controllability;decentralized control;heat integration
Erscheinungsdatum: 2016
Verlag: Elsevier
Quellenangabe: Procedia Engineering (157): 341-348 (2016-01-01)
Zeitschrift oder Schriftenreihe: Procedia engineering 
Konferenz: IX International Conference on Computational Heat and Mass Transfer, ICCHMT2016 
Zusammenfassung (englisch): In this work an approach is presented for the synthesis of near cost optimal heat exchanger networks with a high controllability. The presented methodology is based on a sequential approach utilizing different algorithms and mathematical models. The procedure is carried out in three steps. A genetic algorithm is used to produce a high diversity of promising structures that suffice the needs for cost reduction and controllability characteristics. For selected structures controllability evaluations are carried out, which are mainly based on relative gain array and condition number assessments. Therefore, a linear model is utilized which was further used to calculate the area adjustments and nominal bypasses for complete disturbance rejection for perfect control. As a last step simplified mathematical solution models are used to further extend insight gained for decision-making. These models are used to carry out dynamic simulations for testing the impact of different possible decentralized feedback control structure designs developed by previous methods. The application of the developed approach will be shown using an example from literature.
URI: http://tubdok.tub.tuhh.de/handle/11420/1915
DOI: 10.15480/882.1912
ISSN: 1877-7058
Institut: Prozess- und Anlagentechnik V-4 
Dokumenttyp: (wissenschaftlicher) Artikel
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