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Item type:Publication, Access status: with files , Entropiebasierte Bewertungskriterien für den Wärmeübergang in Kraftwerksprozessen und ihre Relevanz für praktische Anwendungen(2014); All losses occurring during heat transfer result in entropy generation. This work inves-tigates, whether the entropy generation rate or related performance evaluation criteria are helpful for the design and optimization of heat exchangers. For this purpose, a de-tailed plate heat exchanger model has been developed using the programming lan-guage Modelica.Publicationtype: Doctoral Thesis2043 1459 - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Access status: with files , Die Bewertung und numerische Optimierung von Wärmeübertragern anhand einer Energieentwertungszahl(2013); The entropic potential concept as well as the energy devaluation number is developed. Their advantage over common evaluation criteria for heat exchangers is demonstrated. For that purpose, a new method for the automated geometry optimization of heat exchangers based on CFD calculations is presented. It is based on the description of surfaces by Fourier coefficients and their optimization by an evolutionary algorithm.Publicationtype: Doctoral Thesis750 2238