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Short-channel structured reactor: Experiments versus previous theoretical design
Authors:Andrzej Ko?odziej  Joanna ?ojewskaJoanna Ochońska  Tomasz ?ojewski
Affiliation:a Faculty of Civil Engineering, Opole University of Technology, ul. Katowicka 48, 45-061 Opole, Poland
b Institute of Chemical Engineering of the Polish Academy of Sciences, Ba?tycka 5, 44-100 Gliwice, Poland
c Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30060 Krakow, Poland
Abstract:The study deals with the so-called short-channel structures (very short monoliths) that were introduced by Ko?odziej and ?ojewska 1] on the theoretical basis. The structures are very short so the entrance (mixing) section occupies majority of the channel length. This leads to highly enhanced heat and mass transfer, but the flow resistance is increased as well. The article presents experimental results of flow resistance, heat and mass transfer for short-channel structures of sine and triangular cross-sectional channel shape. The results presented in terms of dimensionless quantities confirmed theoretical consideration presented in 1]. The efficiencies of the structure have been derived that show the structures as more efficient when compared to classic monoliths or packed bed reactors.
Keywords:Catalytic combustion  Catalytic reactor  Heat transfer  Mass transfer  Flow resistance
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