Publications

Experimental investigation of flow fields in the interstices of bulk particles with ray tracing based reconstruction

peer-reviewed

• G. Xuan, M. Ebert, S. Rodrigues, N. Vorhauer-Huget, C. Lessig, B. Fond: Multi-point temperature measurements in packed beds using phosphor thermometry and ray tracing simulations, Particuology, Volume 85 (2023), 77-88

• M. Tyslik, M. Ebert, M. Schiemann, S. Wirtz, C. Lessig: A Numerical and Experimental Comparison of Heat Transfer in a Quasi Two-Dimensional Packed Bed, Particuology, Volume 84 (2023), 136-144

• C. Gorges, M. Brömmer, C. Velten, S. Wirtz, E. Illana, V. Scherer, K. Zähringer, B. van Wachem: Comparing two IBM implementations for the simulation of uniform packed beds, Particuology, Volume 86 (2023), 1-12

other

• C. Velten, M. Ebert, C. Lessig, K. Zähringer: Ray tracing based reconstruction of PIV measurements in the outlet zone of gaseous flow in packed beds, 20th LISBON Laser Symposium, 11th – 14th July, Lisbon, Portugal, 2022

• R. Jendersie, N. Margenberg, C. Lessig, T. Richter: Enhancing a multigrid solver for the Navier-Stokes equations with deep learning, Equadiff 15, 11th –15th July 2022, Brno, Czech Republic

• M. Ebert, C. Velten, K. Zähringer, C. Lessig: Efficient PIV measurements in the interior of complex, transparent geometries,Conference on Modelling Fluid Flow CMFF’22, 30th August – 02nd September, Budapest, Hungary, 2022

3D-Measurements in dense Granular Assemblies using Hyperpolarised Magnetic Resonance Imaging

peer-reviewed

• T. P. Medina, J. P. Kolb, G. Hüttmann, R. Huber, O. P. Medina, L. Ha, P. Ulloa, N. Larsen, A. Ferrari, M. Rafecas, M. Ellrichmann, M. S. Pravdivtseva, M. Anikeeva et al.: Imaging Inflammation – From Whole Body Imaging to Cellular Resolution, Front. Immunol., Volume 12 (2021), 2042

• M. Anikeeva, M. Sangal, O. Speck, G. Norquay, M. Zuhayra, U. Lützen, J. Peters, O. Jansen, J.-B. Hövener: Nichtinvasive funktionelle Lungenbildgebung mit hyperpolarisiertem Xenon: Durchbruch für die Diagnostik?, die Radiologie, Volume 62 (2022), 475-485

• A. Ferrari, J. Peters, M. Anikeeva, A. Pravdivtsev, F. von Ellermann, K. Them, O. Will, E. Peschke, H. Yoshihara, O. Jansen, J.-B. Hövener: Performance and reproducibility of 13C and 15N hyperpolarization using a cryogen-free DNP polarizer, scientific reports, Volume 12 (2022), 11694

other

Experimental investigation of the interactions between the flame and the particles in packed beds

peer-reviewed

• G. Xuan, M. Ebert, S. Rodrigues, N. Vorhauer-Huget, C. Lessig, B. Fond: Multi-point temperature measurements in packed beds using phosphor thermometry and ray tracing simulations, Particuology, Volume 85 (2023), 77-88

• M. Khodsiani, R. Namdar, F. Varnik, F. Beyrau, B. Fond: Spatially resolved investigation of flame particle interaction in a two dimensional model packed bed, Particuology, Volume 85 (2023), 167-185

• R. Namdar, M. Khodsiani, H. Safari, T. Neeraj, S.A. Hosseini, F. Beyrau, B. Fond, D. Thévenin, F. Varnik: Numerical study of convective heat transfer in static arrangements of particles with arbitrary shapes: A monolithic hybrid lattice Boltzmann-finite difference-phase field solver, Particuology, Volume 85 (2023), 186-197

other

• M. Khodsiani, F. Beyrau, F. Varnik, B. Fond: Experimental investigation of the propagation of a premixed flame in an array of cooled cylindrical particles, 30. Deutscher Flammentag, Hannover-Garbsen, Germany,  28th-29th September, 2021

• M. Khodsiani, C. Hedge, F. Beyrau, F. Varnik, B. Fond: Investigation of a flame in a packed bed using a cylindrical geometry and single-side optical diagnostics, Laser Applications to Chemistry Secury and Environmental Analysis (LACSEA), OSA Optical Sensor and Sensing Congress, Vancouver, Canada, 11th-15th July, 2022

• M. Khodsiani, F. Beyrau, B. Fond: Flame-particle interaction inside a packed bed of cooled particles, 11th European Combustion Meeting (ECM 2023), Rouen, France, 24th-26th April, 2023

Lattice Boltzmann simulations of reacting flows in small-scale static and moving beds of particles with complex shapes

peer-reviewed

• S. A. Hosseini, H. Safari, D. Thévenin: Lattice Boltzmann Solver for Multiphase Flows: Application to High Weber and Reynolds Numbers, Entropy, Volume 23 (2021), 166

• S. A. Hosseini, N. Darabiha, D. Thevenin: Low Mach number lattice Boltzmann model for turbulent combustion: Flow in confined geometries,  Proceedings of the Combustion Institute, 2022 (In Press)

• M. Khodsiani, R. Namdar, F. Varnik, F. Beyrau, B. Fond: Spatially resolved investigation of flame particle interaction in a two dimensional model packed bed, Particuology, Volume 85 (2023), 167-185

• R. Namdar, M. Khodsiani, H. Safari, T. Neeraj, S.A. Hosseini, F. Beyrau, B. Fond, D. Thévenin, F. Varnik: Numerical study of convective heat transfer in static arrangements of particles with arbitrary shapes: A monolithic hybrid lattice Boltzmann-finite difference-phase field solver, Particuology, Volume 85 (2023), 186-197

• S.A. Hosseini, D. Thévenin: Towards pore-scale simulation of combustion in porous media using a low-Mach hybrid lattice Boltzmann/finite difference solver, Physics of Fluids, (2023), accepted for publication

other

Particle tracking in bulk solids based on microwave multiple input multiple output systems

peer-reviewed

other

Contact heat transfer and heat conduction in packed beds of edged particles

peer-reviewed

• S. J. Rodrigues, N. Vorhauer-Huget, E. Tsotsas: Effective thermal conductivity of packed beds made of cubical particles, International Journal of Heat and Mass Transfer, Volume 194 (2022), 122994

• S. J. Rodrigues, N. Vorhauer-Huget, T. Richter, E. Tsotsas: Influence of particle shape on tortuosity of non-spherical 2 particle packed beds, processes, Volume 11 (2023), 3

• G. Xuan, M. Ebert, S. Rodrigues, N. Vorhauer-Huget, C. Lessig, B. Fond: Multi-point temperature measurements in packed beds using phosphor thermometry and ray tracing simulations, Particuology, Volume 85 (2023), 77-88

other

Radiative heat exchange among non-uniformly distributed, polydisperse, complex shaped, moving and reacting solid objects within DEM/CFD

peer-reviewed

• B. Jaeger, M. Schlag, V. Scherer, S. Wirtz, M. Schiemann: Radiative heat transfer with a blocked-off approach for application in the discrete element method, Powder Technology, Volume 392 (2021), 558-569

• B. Jaeger, M. Tyslik, S. Wirtz, M. Schiemann: Investigation of the radiative heating of cubic particles with DEM/CFD and the BO/DO approach, Powder Technology, Volume 403 (2022), 117424

• M. Tyslik, M. Ebert, M. Schiemann, S. Wirtz, C. Lessig: A Numerical and Experimental Comparison of Heat Transfer in a Quasi Two-Dimensional Packed Bed, Particuology, Volume 84 (2023), 136-144

other

Adaptive pore network modelling of thermochemical processes in single porous particles

peer-reviewed

• X. Lu, E. Tsotsas, A. Kharaghani: Drying of capillary porous media simulated by coupling of continuum-scale and micro-scale models, International Journal of Multiphase Flow, Volume 140 (2021), 103654

• N. Zhan, R. Wu, E. Tsotsas, A. Kharaghani: Proposal for extraction of pore networks with pores of high aspect ratios, Physical Review Fluids, Volume 7 (2022), 014304

other

• X. Lu, E. Tsotsas, A. Kharaghani: Drying of capillary porous media simulated by coupling of continuum model and pore network model, 13th International Conference on Porous Media and Annual Meeting (Interpore), online,  31th May – 4th June, 2021

• C. Jing, N. Zhan, X. Lu, R. Wu, A. Kharaghani: Extraction of pore networks from X-ray images of single wood particles subjected to drying, 14th International Conference on Porous Media and Annual Meeting (Interpore), Abu Dhabi, Arab Emirates, 30th May – 02nd June, 2022

• X. Lu, A. Kharaghani: A shrinking pore network model for drying porous media, 14th International Conference on Porous Media and Annual Meeting (Interpore), Abu Dhabi, Arab Emirates, 30th May – 02nd June, 2022

• X. Lu, E. Tstotsas, A. Kharaghani: Drying of capillary porous media simulated by coupling of continuum-scale and meso-scale models, 22th International Drying Symposium, Worchester MA (USA), 26th – 29th June, 202

γ tracking on the basis of positron emission tomography of particles and gases in bulk solids

peer-reviewed

• J. Oppotsch, A. Athanassiadis, M. Fritsch, F.H. Heinsius, T. Held,  N. Hilse, V. Scherer, M. Steinke, U. Wiedner: A simulation study for a cost-effective PET-like detector system intended to track particles in granular assemblies, Particuology, Volume 84 (2023), 117-125

other

Flow mixing, heat transfer and chemical reaction in packed and moving bed reactors 

peer-reviewed

• A. Jain, F. Evard, B. van Wachem: The effect of side walls on particles mixing in rotating drums, Particuology, Volume 72 (2023), 112-121

• C. Gorges, M. Brömmer, C. Velten, S. Wirtz, E. Illana, V. Scherer, K. Zähringer, B. van Wachem: Comparing two IBM implementations for the simulation of uniform packed beds, Particuology, Volume 86 (2023), 1-12

other

Interaction of heat transfer, drying and thermochemical processes in a hearth furnace floor

peer-reviewed

• N. Hilse, M. Kriegeskorte, E. Illana, S. Wirtz, V. Scherer: Mixing and segregation of spheres of three different sizes on a batch stoker grate: Experiments and discrete element simulation, Powder Technology, Volume 400 (2022), 117258

• J. Oppotsch, A. Athanassiadis, M. Fritsch, F.H. Heinsius, T. Held,  N. Hilse, V. Scherer, M. Steinke, U. Wiedner: A simulation study for a cost-effective PET-like detector system intended to track particles in granular assemblies, Particuology, Volume 84 (2023), 117-125

other

Model reduction of single particle models for coupled DEM/CFD simulations

peer-reviewed

• M. O. Berner, V. Scherer, M. Mönningmann: An observer for partially obstructed wood particles in industrial drying processes, Computers & Chemical Engineering, Volume 141 (2020), 107013

• M. O. Berner,  M. Mönningmann: Comparison of two model reduction approaches of an industrial drying process, Automatisierungstechnik, Volume 69 (2021), 667-682

• L. Reineking, K. Sommer, Y. P. Ravichandran, R. Skoda, M. Mönningmann: Long-term stable reduced models for hydraulic systems governed by Reynolds averaged Navier-Stokes equations, IFAC, Volume 55 (2022); 254-259

• L. Reineking, J. Fischer, A. Mjalled, E. Illana, S. Wirtz, V. Scherer, M. Mönnigmann: Convective drying of wood chips: Accelerating coupled DEM-CFD simulations with parametrized reduced single particle models, Particuology, Volume 84 (2023), 158-167

other

A novel coupling approach for DEM/CFD simulations accounting for the heterogeneous and anisotropic nature of bulk solids

peer-reviewed

• E. Illana, M. Brömmer, S. Wirtz, B. van Wachem, V. Scherer: Simulation of Reacting, Moving Granular Assemblies of Thermally Thick Particles by Discrete Element Method/ComputationalFluid Dynamics, Chemical Engineering and Technology, Volume 46 (2023), 00, 1-11

• V. Cheron, F. Evard, N. El Achkar, B. van Wachem: A Hybrid Immersed Boundary Method for Dense Particle-Laden Flows, Computers Fluids, Volume 259 (2023), 105892

other

Hybrid model for the boundary surface between a packed bed and the downstream free flowing gas

peer-reviewed

• W. Sadowski, F. di Mare: Investigation of the porous drag and permeability at the porous-fluid interface: Influence of the filtering parameters on Darcy closure, Particuology, Volume 78 (2023), 122-135

• W. Sadowski, M. Syyari, F. di Mare, M. Marschall: Large Eddy Simulation of flow in porous media: analysis of the commutation error of the double-averaged equations, Physics of Fluids, Volume 35 (2023), 5

other

• W. Sadowski, F. Lo Presti, F. di Mare: Assessment of hybrid turbulence models for the simulation of ribbed channel flows with heat transfer, 15th European Turbomachinery Conference, Budapest, Hungary, 24th-28th April, 2023

Numerical simulation of moving and reacting bulk material passed by reacting gas flows

peer-reviewed

• E. Illana, D.  Mira, A. Mura: An extended flame index partitioning for partially premixed combustion, Combustion Theory and Modelling, Volume 25 (2021) 121-157

• J. Jägers, M. Brömmer, E. Illana, S. Wirtz, V. Scherer: DEM-CFD simulation of wood pellet degradation by particle-wall impact during pneumatic conveying, Powder Techology, Volume 391 (2021), 385-402

• N. Hilse, M. Kriegeskorte, E. Illana, S. Wirtz, V. Scherer: Mixing and segregation of spheres of three different sizes on a batch stoker grate: Experiments and discrete element simulation, Powder Techology, Volume 400 (2022), 117258

• R. Deshpande, E. Illana, S. Wirtz, V. Scherer: Resolving particle shape in DEM simulations from tabulated geometry information, Powder Techology, Volume 407 (2022), 117700

• L. Reineking, J. Fischer, A. Mjalled, E. Illana, S. Wirtz, V. Scherer, M. Mönnigmann: Convective drying of wood chips: Accelerating coupled DEM-CFD simulations with parametrized reduced single particle models, Particuology, Volume 84 (2023), 158-167

• M. Brömmer, M. Scharnowski, E. Illana S. Wirtz, V. Scherer: Investigating the inflow into a granular bed using a locally resolved method, Particuology, Volume 85 (2023), 89-101

• E. Illana, M. Brömmer, S. Wirtz, B. van Wachem, V. Scherer: Simulation of Reacting, Moving Granular Assemblies of Thermally Thick Particles by Discrete Element Method/ComputationalFluid Dynamics, Chemical Engineering and Technology, Volume 46 (2023), 00, 1-11

• E. Illana, M. Brömmer, S. Wirtz, V. Scherer: Locally resolved simulation of gas mixing and combustion inside static and moving particle assemblies, Chemical Engineering and Technology, Volume 46 (2023), 07, 1-12

• C. Gorges, M. Brömmer, C. Velten, S. Wirtz, E. Illana, V. Scherer, K. Zähringer, B. van Wachem: Comparing two IBM implementations for the simulation of uniform packed beds, Particuology, Volume 86 (2023), 1-12

other

• E. Illana, M. Brömmer, . Wirtz, V. Scherer: Local flow resolution with the blocked-off method in DEM-CFD, Conference on Modelling Fluid Flow CMFF’22, 30th August – 02nd September, Budapest, Hungary, 2022

• E. Illana, M. Brömmer, S. Wirtz, V. Scherer: Simulation of reacting and moving granular assemblies of thermally thick particles by DEM/CFD, a brief overview, Conference on Modelling Fluid Flow CMFF’22, 30th August – 02nd September, Budapest, Hungary, 2022

• B. Jäger, E. Illana, S. Wirtz, V. Scherer, J. Behling: Pyrolysis of complex-shaped single wood chips – 3D DEM simulation,  and comparison with experiment, 12th Mediterranean Combustion Symposium, Luxor, Egypt, 23rd – 26th January, 2023