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Hydrodynamic Characterization of Heterogeneities in Aerated Stirred Tank Reactors

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Hydrodynamic Characterization of Heterogeneities in Aerated Stirred Tank Reactors (Volume 10) (English shop)

From an Eulerian to a Lagrangian Perspective

Jürgen Fitschen (Author)


Extract, PDF (640 KB)
Table of Contents, PDF (39 KB)

ISBN-13 (Hard Copy) 9783736976894
ISBN-13 (eBook) 9783736966895
Language English
Page Number 134
Lamination of Cover matt
Edition 1.
Book Series Berichte aus dem Institut für Mehrphasenströmungen
Volume 10
Publication Place Göttingen
Place of Dissertation Hamburg
Publication Date 2022-10-12
General Categorization Dissertation
Departments Mechanical and process engineering
Allgemeine Verfahrenstechnik
Keywords Aerated, stirred, tank, reactor, vessel, Rushton, stirrer, mixing time, mixing, multiphase, compartments, bio, transparent, PTV, Lagrange, Euler, measurement, experiment, particle tracking, 3D, volume, 3L, lab scale, industrial scale, scale up, velocity, life lines, turbulence, trajectories, dispersion, flow, characterization, parameter, sensitivity, analysis, bromothymol blue, decolorization, residence time, pitched blade, axial pumping, radial pumping, power input, newton, Reynolds, turbulent kinetic energy, froude, Begast, gerührt, tank, Reaktor, Behälter, Rushton, Rührer, Mischzeit, vermischen, Mehrphasen, Kompartments, Bio, transparent, PTV, Lagrange, Euler, Messungen, Experiment, Parikelverfolgung, 3D, Volumen, 3L, Labormaßstab, Industriemaßstab, maßstabsübertragung, Bahnlinien, Turbulenz, Trajektorien, Dispersion, Strömung, Charakterisierung, Parameter, Sensitivität, Analyse, Bromthymolblau, Entfärbung, Verweilzeit, Schrägblatt, Axial pumpen, radial pumpen, Leistungseintrag, Newton, Reynolds, Turbulente kinetische Energie, Froude, Kolmogorow-Konstante, Kolmogorov constant, Dispersionskoeffizient, dispersion coefficient, Lagrangian integration time, Lagrangesche Integrationszeit, Gasvolumenstrom, gas volume flow, dynamische Viskosität, dynamic viscosity, Energiedissipationsrate, energy dissipation rate
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Aerated stirred tank reactors are commonly used for chemical, biological and pharmaceutical processes with the highest requirements for constant and efficient mass transport and mixing performance. These reactors are known for their simple design and a very extensive description of their operating behavior in the relevant literature. The purpose of this work is to identify heterogeneities and coherent structures in aerated stirred tank reactors and to describe what the influences of these structures have on the mass transport and mixing processes. For this purpose, both the global and local mixing time distributions and, for the first time, the dispersion coefficients are determined with high local resolution.