Publications

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

peer-reviewed
 
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
 
other

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

peer-reviewed
 
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, 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

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

peer-reviewed
 
other

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

peer-reviewed
 
other

Adaptive pore network modelling of thermochemical processes in single porous particles

peer-reviewed
 
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
 
other

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

peer-reviewed
 
other

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

peer-reviewed
 
other

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

peer-reviewed
 
other

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

peer-reviewed
 
other

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

peer-reviewed
 
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
 
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