Analysis of the turbulent flow structure in a jet stirred reactor using proper orthogonal decomposition

Erdzan Hodzic, G Esmaeelzade, K Moshammer, R Fernandes, D Markus, Marco Geron, Juliana Early, H Grosshans

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The accuracy of the experimental measurement of gas phase chemical kinetics related quantities using Jet Stirred Reactors (JSR) depends to a large degree on the homogeneity of the mixture inside the reactor. It is well-established that the mixing process in fluids is dominated by turbulent motions. Coherent turbulent structures are identified by applying the technique of Proper Orthogonal Decomposition (POD) based on previously performed highly-resolved large-eddy simulations. The structures of the highest energies are generated by the jets which inject fresh gases and in the wakes of the pipes leading to the injection nozzles. Furthermore, lower energetic regions were observed in the proximity of the impingement areas of the inlet jets on the surface of the spherical reactor chamber. The data provided herein contributes to the understanding of the flow dynamics in JSRs and aims to guide their future development in order to increase measurement accuracy.
Original languageEnglish
JournalJournal of Physics: Conference Series
Issue number202002
Publication statusPublished - 01 Sep 2018
EventWorld Congress of the International Measurement Confederation -
Duration: 03 Sep 201806 Sep 2018


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