Institute of Multiphase Flows

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Dr.-Ing. Marko Hoffmann

Eissendorfer Str. 38, Building O, Room 1.014

Tel.: +49 40 42878-3152

E-Mail: Marko Hoffmann.

Education

  • Construction and Apparatus Engineering
  • Fundamentals of Process Engineering and Material Engineering
  • Fundamentals of Technical Drawing

Publications

Order by: Author Year Journal Bibtex Type of Publication

2022

  • Frey T.; Hoffmann M.; Schlüter M. (2022). Visualizing Reactive Mixing Phenomena with the Novel Imaging UV-vis Spectroscopy in Asymmetric and Transient Flows. Chemie Ingenieur Technik. 94. (9), 1222-1223 [Abstract] [doi]

  • Frey T.; Kexel F.; Dittmer K.R.; Bohne S.; Hoffmann M.; Trieu H.K.; Schlüter M. (2022). A Novel Approach for Visualizing Mixing Phenomena of Reactive Liquid-Liquid Flows in Milli- and Micro-Channels. Frontiers in Chemical Engineering. 4. 874019 [Abstract] [doi]

  • Hofmann, S.; Weiland, C.; Fitschen, J.; von Kameke, A., Hoffmann, M.; Schlüter, M. (2022). Lagrangian sensors in a stirred tank reactor: Comparing trajectories from 4D-Particle Tracking Velocimetry and Lattice-Boltzmann simulations. Chemical Engineering Journal. 449. [Abstract] [doi]

  • Maly, M.; Schaper, S.; Kuwertz, R.; Hoffmann, M.; Heck, J.; Schlüter, M. (2022). Scale-Up Strategies of Jet Loop Reactors for the Intensification of Mass Transfer Limited Reactions. Processes. 10. (8), [Abstract] [doi] [www]

  • Niehaus D.; Hofmann S.; Kumar S.B.; Hoffmann M.; Cisneros-Aguirre J.; Schlüter M. (2022). xperimental Characterisation and Field Experience of a Reusable, Modified Polyurethane Foam for the Mechanical Clean-Up of Oil Spills on the Sea Surface. Journal of Marine Science and Engineering. 10. (10), [Abstract] [doi] [www]

  • Schwarz, S.;, Grünewald, M.; Biessey, P.; Frey, T.; Schlüter, M.; Hoffmann, M. (2022). CFD-based compartment modeling approach for continuous polymer reactors by means of the mean-age theory. Chemie Ingenieur Technik. 94. (9), 1343 [Abstract] [doi]

  • Gaugler, L; Mast, Y.; Fitschen, J.; Hofmann, S.; Hoffmann, M.; Schlüter, M. (2022). Scaling-down biopharmaceutical production processes via a single multi-compartment bioreactor (SMCB). Engineering in Life Sciences. 12 [Abstract] [doi]

2021

  • Frey, T.; Schlütemann R.; Schwarz, S.; Biessey, P.; Hoffmann, M.; Grünewald, M.; Schlüter, M. (2021). CFD analysis of asymmetric mixing at different inlet configurations of a split-and-recombine micro mixer. Journal of Flow Chemistry. 11. 599–609 [Abstract] [doi]

  • Kexel, F.; Kameke, A.v.; Hoffmann, M.; Schlüter, M. (2021). The influence of fluid dynamics on the selectivity of fast gas–liquid reactions in methanol. Chemical Engineering and Processing - Process Intensification. [Abstract] [doi]

  • Kexel, F.; Kameke, A.v.; Tenhaus, J.; Hoffmann, M.; Schlüter, M. (2021). Taylor bubble study of the influence of fluid dynamics on yield and selectivity in fast gas-liquid reactions. Chemie Ingenieur Technik. 93. (5), 830-837 [Abstract] [doi]

  • Kuschel, M.; Fitschen, F.; Hoffmann, M.; Kameke, A. v.; Wucherpfennig, T.; Schlüter, M. (2021). Validation of Novel Lattice Boltzmann Large Eddy Simulations (LB LES) for Equipment Characterization in Biopharma. Processes. 9. (6), 950 [Abstract] [doi]

  • Matthes. S.; Merbach, T.; Fitschen, J.; Hoffmann, M.; Schlüter, M.; (2021). Influence of counterdiffusion effects on mass transfer coefficients in stirred tank reactors. Chemical Engineering Journal Advances. 8. [Abstract] [doi]

  • Schlüter, M.; Kexel, F.; Kameke, A. v.; Hoffmann, M.; Herres-Pawlis, S.; Klüfers, P.; Oßberger, M.; Turek, S.; Mierka, O.; Kockmann, N.; Krieger, W. (2021). Visualization and Quantitative Analysis of Consecutive Reactions in Taylor Bubble Flows. 507–543 [doi]

  • Spille, C.; Tholan V.P.; Straiton, B.; Johannsen, M.; Hoffmann, M.; Marashdeh, Q.; Schlüter, M. (2021). Electrical Capacitance Volume Tomography (ECVT) for Characterization of Additively Manufactured Lattice Structures (AMLS) in Gas-Liquid Systems. Fluids. 6. (9), 321 [Abstract] [doi]

  • Fitschen, J.; Hofmann, S.; Wutz, J.; Kameke, A. v.; Hoffmann M.; Wucherpfennig T.; Schlüter, M. (2021). Novel Evaluation Method to Determine the Local Mixing Time Distribution in Stirred Tank Reactors. Chemical Engineering Science: X. 10. [Abstract] [doi]

2020

  • Kexel, F.; Kameke, A.v.; Oßberger, M.; Hoffmann, M.; Klüfers, P.; Schlüter, M. (2020). Bildgebende UV/VIS Spektroskopie zur Untersuchung des Einflusses der Fluiddynamik auf die Selektivität und Ausbeute von schnellen konkurrierenden konsekutiven gasflüssig Reaktionen. Chemie Ingenieur Technik. 93. (1-2), 297-305 [Abstract] [doi] [www]

  • Matthes, S.; Ohde, D.; Hoffmann, M.; Bubenheim, P.; Liese, A.; Terasaka, K.; Schlüter, M. (2020). Hydrodynamic and Mass Transfer Correlation in a Microbubble Aerated Stirred Tank Reactor. Journal of Chemical Engineering of Japan. 53. (10), 577-584 [Abstract] [doi]

  • Pesch, S.; Knopf, R.; Radmehr, A.; Paris, C.; Zachary, A.; Hoffmann, M.; Schlüter, S. (2020). Experimental Investigation, Scale-Up and Modeling of Droplet Size Distributions in Turbulent Multiphase Jets. Multiphase Science and Technology. 32. (2), 113-136 [Abstract] [doi]

  • Spille, C.; Hu, X.; Maiwald, M.I.; Herzog, D.; Hoffmann, M.; Emmelmann, C.; Smirnova, I.; Schlüter, M. (2020). SMART Reactors: Intelligente additiv gefertigte strukturierte Einbauten zur Optimierung von Gas/Flüssig-Reaktionen. Chemie Ingenieur Technik. 92. (9), 1328 [Abstract] [doi]

  • Spille, C.; Lyberis, A.; Maiwald, M.I.; Herzog, D.; Hoffmann, M.; Emmelmann, C; Schlüter, M. (2020). SMART-Reactors: Tailoring Gas Holdup Distribution by Additively Manufactured Lattice Structures. Chemical Engineering & Technology. 43. (10), 2053-2061 [Abstract] [doi]

2019

  • Szeliga,N.; Elgot, L.H.v.; Bezecny, D.; Richter, S.; Hoffmann, M.; Schlüter, M.: (2019). Large Scale Experiments on the Formation of Surface Vortices with and without Vortex Suppression. Chemie Ingenieur Technik. 91. 1802-1811 [doi]

  • Weiner, A.; Timmermann, J.; Pesci, C.; Grewe, J.; Hoffmann, M.; Schlüter, M.; Bothe, D. (2019). Experimental and numerical investigation of reactive species transport around a small rising bubble. Chemical Engineering Science. 1. (100007), [Abstract] [doi] [www]

  • Rüttinger, S.; Hoffmann, M.; Schlüter, M. (2019). How do vortex structures influence boundary layer dynamics in gas-liquid systems?. Chemical Engineering & Technology. 42. (7), 1421-1426 [Abstract] [doi] [www]

2018

  • Rüttinger, S.; Hoffmann, M.; Schlüter, M. (2018). Investigation of the influence of vortex structures on transport processes at fluidic interfaces. pp. 30.1 - 30.8

  • Pesch, S.; Jaeger, P.; Jaggi, A.; Malone, K.; Hoffmann, M.; Krause, D. (2018). Rise Velocity of Live-Oil Droplets in Deep-Sea Oil Spills. Environmental Engineering Science. 35. (4), 289-299 [Abstract] [doi] [www]

  • Hermann, P.; Timmermann, J.; Hoffmann, M.; Schlüter, M.; Hofmann, C.; Löb, P.; Ziegenbalg, D. (2018). Optimization of a Split and Recombine Micromixer by Improved Exploitation of Secondary Flows. Chem. Eng. J.. 334. 1996-2003 [Abstract] [doi] [www]

  • Rüttinger, S.; Hoffmann, M.; Schlüter, M. (2018). Experimental analysis of a bubble wake influenced by a vortex street. special issue: "Flow and Heat or Mass Transfer in the Chemical Process Industry. 3. (1), 8 [Abstract] [doi] [www]

  • Rüttinger, S.; Spille, C.; Hoffmann, M.; Schlüter, M. (2018). Laser-induced Fluorescence in Multiphase Systems. ChemBioEng Reviews. 4. (4), 1-18 [Abstract] [doi] [www]

  • Paul, M.; Strassl, F.; Hoffmann, A.; Hoffmann, M.; Schlüter, M.; Herres-Pawlis, S. (2018). Reaction systems for bubbly flows. European Journal of Inorganic Chemistry. 2018. (20-21), 2101-2124 [Abstract] [doi] [www]

2017

  • Kastens, S.; Meyer, C.; Hoffmann, M.; Schlüter, M. (2017). Experimental Investigation and Modelling of Local Mass Transfer Rates in Pure and Contaminated Taylor Flows. [Abstract] [doi]

  • Rüttinger, S.; Hoffmann, M.; Schlüter, M. (2017). Estimation of turbulent kinetic energy dissipation rate using a two-camera high-speed PIV set-up. pp. 35-1 - 35-8

  • Kastens, S.; Timmermann, J.; Strassl, F.; Rampmaier, R. F.; Hoffmann, A.; Herres-Pawlis, S.; Schlüter, M. (2017). Test system for the investigation of reactive Taylor bubbles. Chem. Eng. Tech.. 40. (8), 1494-1501 [Abstract] [doi] [www]

  • Bothe, M.; Christlieb, M.-A.; Hoffmann, M.; Tedjasukmana, O.; Michaux, F.; Rollbusch, P.; Becker, M.; Schlüter, M. (2017). Bubble size and bubble velocity distribution in bubble columns under industrial conditions. The Canadian Journal of Chemical Engineering. 95. (5), 902-912 [Abstract] [doi] [www]

2016

  • Szeliga, N.; Richter, S.; Bezecny, D.; Hoffmann, M.; Schlüter, M. (2016). Determination of the Influence of Tangential Momentum on Air-Core Vortex Formation at Pump Intakes by Means of Particle Image Velocimetry. pp. 30-1 - 30-9

  • Rüttinger, S.; Hoffmann, M.; Schlüter, M. (2016). Measurements of instantaneous flow structure – influence of vortical structures on mass transfer in vicinity of a fixed bubble. pp. 9-1 - 9-9

  • Timmermann, J.; Hoffmann, M.; Schlüter, M. (2016). Influence of bubble bouncing on mass transfer and chemical reaction. Chemical Engineering & Technology. 39. (10), 1955-1962 [Abstract] [doi] [www]

  • Laqua, K.; Malone, K.; Hoffmann, M.; Krause, D.; Schlüter, M. (2016). Methane bubble rise velocities under deep-sea conditions - influence of initial shape deformation, Colloids and Surfaces. Physicochemical and Engineering Aspects. 505. 106-117 [Abstract] [doi] [www]

2014

  • Meyer, C.; Hoffmann, M.; Schlüter, M. (2014). Micro-PIV analysis of gas-liquid Taylor flow in a vertical oriented square shaped fluidic channel, International Journal of Multiphase Flow. International Journal of Multiphase Flow. 67. 140-148 [Abstract] [doi] [www]

2013

  • Mosler, S.; Hoffmann, M.; Schlüter, M.; Rajabi, N.; Müller, J. (2013). Numerical simulations and experimental investigations of two-phase flows in a Y-Y-shaped microreactor. Proceedings of the 3rd European Conference on Microfluidics - Microfluidics 2012, Heidelberg. conference paper: peer reviewed.

  • Kaufhold, D.; Kopf, F.; Wolff, C.; Beutel, S.; Hilterhaus, L.; Hoffmann, M.; Scheper, T.; Schlüter, M.; Liese, A. (2013). Generation of Dean vortices and enhancement of oxygen transfer rates in membrane contactors for different hollow fiber geometries. Journal of Membrane Science. 423-424. 342-347 [Abstract] [doi] [www]

  • Mosler, S.; Rajabi, N.; Hoffmann, M. ; Müller, J.; Schlüter, M. (2013). Numerical Simulations and Experimental Investigations of Two-Phase Flows in a Y-Y-Shaped Microreactor. International Journal of Microscale and Nanoscale Thermal and Fluid Transport Phenomena. 4. (3-4), 283-295 [www]

  • Kaufhold, D.; Kopf, F.; Wolff, C.; Beutel, S.; Hilterhaus, L.; Hoffmann, M.; Scheper, T.; Schlüter, M.; Liese, A. (2013). Reaktive Absorption von Kohlenstoffdioxid in helikalen Hohlfasermembrankontaktoren. Chemie Ingenieur Technik. 85. (4), 476-483 [Abstract] [doi] [www]

2012

  • Rajabi, N.; Hoffmann, M.; Bahnemann, J.; Zeng, A.-P.; Schlüter, M.; Müller, J. (2012). A Chaotic Advection Enhanced Microfluidic Split-and-Recombine Mixer for the Preparation of Chemical and Biological Probes. Journal of chemical engineering of Japan. 45. (9), 703-707 [Abstract] [doi] [www]

2009

2008

  • Schlüter, M.; Hoffmann, M.; Räbiger, N. (2008). Characterisation of micro fluidic devices by measurements with µ-PIV and CLSM. [Abstract]

2007

  • Hoffmann, M.; Schlüter, M.; Räbiger, N. (2007). Untersuchung der Mischvorgänge in Mikroreaktoren durch Anwendung von Micro-LIF und Micro-PIV. Chemie Ingenieur Technik. 79. (7), 1067-1075 [Abstract] [doi] [www]

2006

  • Hoffmann, M.; Schlüter M.; Räbiger N. (2006). Experimental investigation of liquid-liquid mixing in T-shaped micro-mixers using µ-LIF and µ-PIV. Chemical Engineering Science. 61. (9), 2968-2976 [Abstract] [doi] [www]

2004

  • Schlüter, M.; Hoffmann, M.; Räbiger, N. (2004). Theoretische und experimentelle Untersuchung der Mischvorgänge in T-förmigen Mikroreaktoren – Teil 2: Experimentelle Untersuchung des Strömungsmischen. Chemie Ingenieur Technik. 76. (11), 1682-1688 [doi] [www]