Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Annette Volk"'
Publikováno v:
Powder Technology. 325:519-529
Computational cell size is a crucial factor for accuracy in Computational Fluid Dynamics (CFD) - Discrete Element Method (DEM) simulations of particle-fluid interactions. In the present study, we investigate how simulation results change with computa
Publikováno v:
Powder Technology. 311:137-146
Identification and quantification of numerical error is complicated when Computational Fluid Dynamics (CFD) is coupled with Discrete Element Method (DEM) to model particle-fluid interactions. The presence of solid particles in the model disrupts the
Autor:
Annette Volk, Urmila Ghia
Publikováno v:
Journal of Fluids Engineering. 141
Successful verification and validation is crucial to build confidence in the application of coupled computational fluid dynamics–discrete element method (CFD–DEM). Model verification includes ensuring a mesh-independent solution, which poses a ma
Publikováno v:
Journal of Fluids Engineering. 140
Computational fluid dynamics (CFD)-discrete element method (DEM) simulations are designed to model a pseudo-two-dimensional (2D) fluidized bed, in which bed thickness is minimal compared to height and length. Predicted bed behavior varies as the simu
Autor:
Annette Volk, Urmila Ghia
Publikováno v:
Volume 3: Fluid Machinery; Erosion, Slurry, Sedimentation; Experimental, Multiscale, and Numerical Methods for Multiphase Flows; Gas-Liquid, Gas-Solid, and Liquid-Solid Flows; Performance of Multiphase Flow Systems; Micro/Nano-Fluidics.
Successful verification and validation is crucial to build confidence in the application of coupled Computational Fluid Dynamics - Discrete Element Method (CFD-DEM). Model verification includes ensuring a mesh-independent solution, which poses a majo
Autor:
Urmila Ghia, Annette Volk
Publikováno v:
Volume 1B, Symposia: Fluid Measurement and Instrumentation; Fluid Dynamics of Wind Energy; Renewable and Sustainable Energy Conversion; Energy and Process Engineering; Microfluidics and Nanofluidics; Development and Applications in Computational Fluid Dynamics; DNS/LES and Hybrid RANS/LES Methods.
Computational Fluid Dynamics (CFD)-Discrete Element Method (DEM) simulations are designed to model a pseudo-two-dimensional fluidized bed. Bed behavior and accuracy of results are shown to change as the simulations are conducted on increasingly refin
Publikováno v:
Volume 1B, Symposia: Fluid Mechanics (Fundamental Issues and Perspectives; Industrial and Environmental Applications); Multiphase Flow and Systems (Multiscale Methods; Noninvasive Measurements; Numerical Methods; Heat Transfer; Performance); Transport Phenomena (Clean Energy; Mixing; Manufacturing and Materials Processing); Turbulent Flows — Issues and Perspectives; Algorithms and Applications for High Performance CFD Computation; Fluid Power; Fluid Dynamics of Wind Energy; Marine Hydrodynamics.
An open-source coupled Computational Fluid Dynamics (CFD) – Discrete Element Method (DEM), CFDEM, is employed to study flow through a fixed particle bed. The simulation is repeated for a range of computational cell sizes, and the solution trend is
Autor:
Claus, Thamer, Michael, Stumvoll, Andreas, Niess, Otto, Tschritter, Michael, Haap, Regine, Becker, Fatemeh, Shirkavand, Oliver, Bachmann, Kristian, Rett, Annette, Volk, Hans, Häring, Andreas, Fritsche
Publikováno v:
Diabetes care. 26(7)
Studies on insulin sensitivity and insulin secretion in subjects with a familial predisposition for type 2 diabetes mellitus (T2DM) traditionally produce inconsistent results. This may be due to small sample size, subject selection, matching procedur