Publications
2025
Journal Articles
Wörner, M.; Hornung, U.; Karagöz, S.; Zevaco, T.; Dahmen, N. (2025). Focus on hydrochars produced from hydrothermal liquefaction of beech wood, soda lignin and black liquor. European Journal of Wood and Wood Products, 83 (2), 61. doi:10.1007/s00107-025-02214-2
2024
Journal Articles
Canabarro, N. I.; Yeadon, D. J.; Wörner, M.; Hornung, U.; Vogel, F.; Baudouin, D. (2024). Development of strategies for continuous desalination of weak black liquor based on phase-behaviour analysis. The Journal of Supercritical Fluids, 209, Art.-Nr.: 106230. doi:10.1016/j.supflu.2024.106230
Hagg, D.; Eifert, A.; Troßmann, T.; Frohnapfel, B.; Marschall, H.; Wörner, M. (2024). Numerical study of liquid imbibition and contact line pinning in a sealing gap for corrosion protection of metal housings. Progress in Computational Fluid Dynamics, An International Journal, 24 (2), 65 – 77. doi:10.1504/PCFD.2024.137058
Wörner, M.; Barsuhn, A.; Zevaco, T.; Hornung, U.; Dahmen, N. (2024). From Pulp to Aromatic Products─Reaction Pathways of Lignin Depolymerization. Energy & Fuels, 38 (7), 6020–6035. doi:10.1021/acs.energyfuels.3c04509
Wörner, M.; Werner, L.; Hornung, U.; Islongo Canabarro, N.; Baudouin, D.; Dahmen, N. (2024). The Impact of Sulfur-Containing Inorganic Compounds during the Depolymerization of Lignin by Hydrothermal Liquefaction of Black Liquor. Energy & Fuels, 38 (7), 6036–6047. doi:10.1021/acs.energyfuels.3c04737
2023
Journal Articles
Bodziony, F.; Wörner, M.; Marschall, H. (2023). The stressful way of droplets along single fibre strands : A computational analysis. Physics of Fluids, 35 (1), Art.-Nr.: 012110. doi:10.1063/5.0131032
Pola, L.; Collado, S.; Wörner, M.; Hornung, U.; Díaz, M. (2023). Eutectic solvents for the valorisation of the aqueous phase from hydrothermally liquefied black liquor. Journal of Environmental Chemical Engineering, 11 (5), Art.-Nr.: 111040. doi:10.1016/j.jece.2023.111040
Pola, L.; Collado, S.; Wörner, M.; Hornung, U.; Díaz, M. (2023). Valorisation of the residual aqueous phase from hydrothermally liquefied black liquor by persulphate-based advanced oxidation. Chemosphere, 339, Art.-Nr.: 139737. doi:10.1016/j.chemosphere.2023.139737
Wörner, M. (2023). Maximum spreading of an impacting drop. International Journal of Multiphase Flow, 167, Artkl.Nr.: 104528. doi:10.1016/j.ijmultiphaseflow.2023.104528
2022
Journal Articles
Bagheri, M.; Stumpf, B.; Roisman, I. V.; Tropea, C.; Hussong, J.; Wörner, M.; Marschall, H. (2022). Interfacial relaxation – Crucial for phase-field methods to capture low to high energy drop-film impacts. International Journal of Heat and Fluid Flow, 94, Art.-Nr.: 108943. doi:10.1016/j.ijheatfluidflow.2022.108943
Bagheri, M.; Stumpf, B.; Roisman, I. V.; Dadvand, A.; Wörner, M.; Marschall, H. (2022). A unified finite volume framework for phase‐field simulations of an arbitrary number of fluid phases. The Canadian Journal of Chemical Engineering, 100 (9), 2291–2308. doi:10.1002/cjce.24510
Wang, S.; Rohlfs, P.; Börnhorst, M.; Schillaci, A.; Marschall, H.; Deutschmann, O.; Wörner, M. (2022). Bubble Cutting by Cylinder – Elimination of Wettability Effects by a Separating Liquid Film. Chemie-Ingenieur-Technik, 94 (3), 385–392. doi:10.1002/cite.202100145
Conference Papers
Wörner, M.; Hornung, U.; Dahmen, N. (2022). Hydrothermal liquefaction of black liquor. European Biomass Conference and Exhibition Proceedings, 30th European Biomass Conference and Exhibition, EUBCE 2022, Virtual, Online, 9th May 2022 - 12th May 2022, 867–874, ETA-Florence Renewable Energies.
2021
Journal Articles
Bakhshan, M.; Wörner, M.; Dadvand, A. (2021). Simulation of droplet impingement on a rigid square obstacle in a microchannel using multiphase lattice Boltzmann method. Computational Particle Mechanics, 95. doi:10.1007/s40571-020-00384-9
Dadvand, A.; Bagheri, M.; Samkhaniani, N.; Marschall, H.; Wörner, M. (2021). Advected phase-field method for bounded solution of the Cahn–Hilliard Navier–Stokes equations. Physics of fluids, 33 (5), Art.-Nr.: 053311. doi:10.1063/5.0048614
Erdogan, S.; Schulenberg, T.; Deutschmann, O.; Wörner, M. (2021). Evaluation of models for bubble-induced turbulence by DNS and utilization in two-fluid model computations of an industrial pilot-scale bubble column. Chemical Engineering Research and Design, 175, 283–295. doi:10.1016/j.cherd.2021.09.012
Samkhaniani, N.; Marschall, H.; Stroh, A.; Frohnapfel, B.; Wörner, M. (2021). Numerical simulation of drop impingement and bouncing on a heated hydrophobic surface. Journal of Physics: Conference Series, 2116 (1), Art.-Nr.: 012073. doi:10.1088/1742-6596/2116/1/012073
Samkhaniani, N.; Stroh, A.; Holzinger, M.; Marschall, H.; Frohnapfel, B.; Wörner, M. (2021). Bouncing drop impingement on heated hydrophobic surfaces. International journal of heat and mass transfer, 180, Art.-Nr.: 121777. doi:10.1016/j.ijheatmasstransfer.2021.121777
Woo, M.; Tischer, S.; Deutschmann, O.; Wörner, M. (2021). Corrigendum to “A step toward the numerical simulation of catalytic hydrogenation of nitrobenzene in Taylor flow at practical conditions” [Chem. Eng. Sci. 230 (2021) 116132]. Chemical engineering science, 234, Art.-Nr.: 116479. doi:10.1016/j.ces.2021.116479
Woo, M.; Tischer, S.; Deutschmann, O.; Wörner, M. (2021). A step toward the numerical simulation of catalytic hydrogenation of nitrobenzene in Taylor flow at practical conditions. Chemical engineering science, 230, Art.-Nr.: 116132. doi:10.1016/j.ces.2020.116132
Wörner, M.; Samkhaniani, N.; Cai, X.; Wu, Y.; Majumdar, A.; Marschall, H.; Frohnapfel, B.; Deutschmann, O. (2021). Spreading and rebound dynamics of sub-millimetre urea-water-solution droplets impinging on substrates of varying wettability. Applied mathematical modelling, 95, 53–73. doi:10.1016/j.apm.2021.01.038
2020
PhD Theses
Erdogan, S. (2020, October 7). Numerical Analysis and Modelling of Liquid Turbulence in Bubble Columns at Various Scales by Computational Fluid Dynamics. PhD dissertation. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000124150
Journal Articles
Antritter, T.; Mayer, M.; Hachmann, P.; Wörner, M. (2020). Suppressing artificial equilibrium states caused by spurious currents in droplet spreading simulations with dynamic contact angle model. Progress in computational fluid dynamics, 20 (2), 59–70. doi:10.1504/PCFD.2020.106403
Dörnhöfer, J.; Börnhorst, M.; Ates, C.; Samkhaniani, N.; Pfeil, J.; Wörner, M.; Koch, R.; Bauer, H.-J.; Deutschmann, O.; Frohnapfel, B.; Koch, T. (2020). A Holistic View on Urea Injection for NOx Emission Control: Impingement, Re-atomization, and Deposit Formation. Emission control science and technology, 6, 228–243. doi:10.1007/s40825-019-00151-0
Woo, M.; Deutschmann, O.; Wörner, M. (2020). Influence of liquid composition on diffusive mass transfer in the lubricating film of Taylor flow—A study related to the hydrogenation of nitrobenzene. Chemical engineering and processing, 149, Art. Nr.: 107835. doi:10.1016/j.cep.2020.107835
Woo, M.; Maier, L.; Tischer, S.; Deutschmann, O.; Wörner, M. (2020). A Qualitative Numerical Study on Catalytic Hydrogenation of Nitrobenzene in Gas-Liquid Taylor Flow with Detailed Reaction Mechanism. Fluids, 5 (4), Art.-Nr.: 234. doi:10.3390/fluids5040234
Wörner, M. (2020). A Correlation for the Characteristic Velocity Ratio to Predict Hydrodynamics of Capillary Gas–Liquid Taylor Flow. Theoretical foundations of chemical engineering, 54 (1), 3–16. doi:10.1134/S0040579520010236
2019
Journal Articles
Börnhorst, M.; Cai, X.; Wörner, M.; Deutschmann, O. (2019). Maximum Spreading of Urea Water Solution during Drop Impingement. Chemical engineering & technology, 42 (11), 2419–2427. doi:10.1002/ceat.201800755
Jamshidi, F.; Heimel, H.; Hasert, M.; Cai, X.; Deutschmann, O.; Marschall, H.; Wörner, M. (2019). On suitability of phase-field and algebraic volume-of-fluid OpenFOAM® solvers for gas-liquid microfluidic applications. Computer physics communications, 236, 72–85. doi:10.1016/j.cpc.2018.10.015
2018
Book Chapters
Hettel, M.; Wörner, M.; Deutschmann, O. (2018). Computational Fluid Dynamics of Catalytic Reactors. Handbook of Materials Modeling – Applications: Current and Emerging Materials. Ed.: W. Andreoni, 1–34, Springer International Publishing. doi:10.1007/978-3-319-50257-1_6-1
PhD Theses
Woo, M. (2018). Numerical simulation of gas-liquid Taylor flow with catalyzed heterogeneous reaction. PhD dissertation. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000078320
Journal Articles
Fink, V.; Cai, X.; Stroh, A.; Bernard, R.; Kriegseis, J.; Frohnapfel, B.; Marschall, H.; Wörner, M. (2018). Drop bouncing by micro-grooves. International journal of heat and fluid flow, 70, 271–278. doi:10.1016/j.ijheatfluidflow.2018.02.014
Woo, M.; Wörner, M.; Tischer, S.; Deutschmann, O. (2018). Validation of a numerical method for interface-resolving simulation of multicomponent gas-liquid mass transfer and evaluation of multicomponent diffusion models. Heat and mass transfer, 54 (3), 697–713. doi:10.1007/s00231-017-2145-x
Wörner, M.; Cai, X.; Alla, H.; Yue, P. (2018). A semi-analytical method to estimate the effective slip length of spreading spherical-cap shaped droplets using Cox theory. Fluid dynamics research, 50 (3), 035501. doi:10.1088/1873-7005/aaaef6
2017
Book Chapters
Marschall, H.; Falconi, C.; Lehrenfeld, C.; Abiev, R.; Wörner, M.; Reusken, A.; Bothe, D. (2017). Direct Numerical Simulations of Taylor Bubbles in a Square Mini-Channel: Detailed Shape and Flow Analysis with Experimental Validation. Transport Processes at Fluidic Interfaces. Ed.: D. Bothe, 663–679, Springer International Publishing. doi:10.1007/978-3-319-56602-3_23
Wörner, M. (2017). Taylor Bubbles in Small Channels: A Proper Guiding Measure for Validation of Numerical Methods for Interface Resolving Simulations. Transport Processes at Fluidic Interfaces. Ed.: D. Bothe, 577–587, Springer International Publishing. doi:10.1007/978-3-319-56602-3_19
Journal Articles
Cai, X.; Wörner, M.; Marschall, H.; Deutschmann, O. (2017). CFD Simulation of Liquid Back Suction and Gas Bubble Formation in a Circular Tube with Sudden or Gradual Expansion. Emission control science and technology, 3 (4), 289–301. doi:10.1007/s40825-017-0073-3
2016
PhD Theses
Cai, X. (2016). Interface-Resolving Simulations of Gas-Liquid Two-Phase Flows in Solid Structures of Different Wettability. PhD dissertation. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000065827
Journal Articles
Cai, X.; Wörner, M.; Marschall, H.; Deutschmann, O. (2016). Numerical study on the wettability dependent interaction of a rising bubble with a periodic open cellular structure. Catalysis today, 273, 151–160. doi:10.1016/j.cattod.2016.03.053
Falconi, C. J.; Lehrenfeld, C.; Marschall, H.; Meyer, C.; Abiev, R.; Bothe, D.; Reusken, A.; Schlüter, M.; Wörner, M. (2016). Numerical and experimental analysis of local flow phenomena in laminar Taylor flow in a square mini-channel. Physics of Fluids, 28 (1), 012109. doi:10.1063/1.4939498
Woo, M.; Choi, B. C.; Ghoniem, A. F. (2016). Experimental and numerical studies on NOx emission characteristics in laminar non-premixed jet flames of ammonia-containing methane fuel with oxygen/nitrogen oxidizer. Energy, 114, 961–972. doi:10.1016/j.energy.2016.07.150
2015
Journal Articles
Cai, X.; Marschall, H.; Wörner, M.; Deutschmann, O. (2015). Numerical simulation of wetting phenomena with a phase-field method using OpenFOAM. Chemical engineering & technology, 38 (11), 1985–1992. doi:10.1002/ceat.201500089
Wörner, M. (2015). General pure convection residence time distribution theory of fully development laminar flows in straight planar and axisymmetric channels. Chemical engineering science, 122, 555–564. doi:10.1016/j.ces.2014.10.015
2014
Journal Articles
Marschall, H.; Boden, S.; Lehrenfeld, C.; Falconi, C. J.; Hampel, U.; Reusken, A.; Wörner, M.; Bothe, D. (2014). Validation of interface capturing and tracking techniques with different surface tension treatments against a Taylor bubble benchmark problem. Computers and Fluids, 102, 336–352. doi:10.1016/j.compfluid.2014.06.030
Conference Papers
Cai, X.; Marschall, H.; Wörner, M.; Deutschmann, O. (2014). A phase field method with adaptive mesh refinement for numerical simulation of 3D wetting processes with OpenFoam. Book of full-length manuscripts / 2nd International Symposium on Multiscale Multiphase Process Engineering (MMPE) : 24 - 27 September 2014, Hamburg, Germany DECHEMA Gesellschaft für Chemische Technik und Biotechnologie e.V., 116–121.
Erdogan, S.; Wörner, M. (2014). Analysis and modelling of liquid phase turbulence kinetic energy equation in bubbly flows via direct numerical simulation. Book of Full Length Manuscripts MMPE 2014, PROCESSNET.
Woo, M.; Wörner, M.; Tischer, S.; Deutschmann, O. (2014). Development of a computer code for numerical simulation of reactive and catalytic two-phase flows with detailed chemistry. Book of full-length manuscripts / 2nd International Symposium on Multiscale Multiphase Process Engineering (MMPE) : 24 - 27 September 2014, Hamburg, Germany, 407–412, DECHEMA Gesellschaft für Chemische Technik und Biotechnologie e.V.
2013
Journal Articles
Wörner, M. (2013). Computational study on scaling of co-current downward Taylor flow in small square channels of three different sizes. Journal of chemical engineering of Japan, 46 (5), 335–341. doi:10.1252/jcej.12we068
Wörner, M.; Erdogan, S. (2013). Toward improved closure relations for the turbulent kinetic energy equation in bubble-driven flows. Chemie - Ingenieur - Technik, 85 (7), 1131–1136. doi:10.1002/cite.201200243
1998
Journal Articles
Wörner, M.; Grötzbach, G. (1998). Pressure transport in direct numerical simulations of turbulent natural convection in horizontal fluid layers. The international journal of heat and fluid flow, 19 (2), 150–158. doi:10.1016/S0142-727X(97)10019-4
1997
Conference Papers
Wörner, M.; Grötzbach, G. (1997). Pressure Transport in DNS of Turbulent Natural Convection in Horizontal Fluid Layers. Turbulence, Heat and Mass Transfer : 2 ; Proceedings of the 2nd international symposium on turbulence, heat and mass transfer., Delft, NL, June 9-12, 1997. Ed.: K. Hanjalic, 351–360, Delft University Press.
For a complete list of publications and teaching activities please visit the personal website of M. Wörner.