caa a22 4500 463163133 CHVBK 20180406164753.0 cr unu---uuuuu 170326e20070101xx s 000 0 eng 10.1007/s11242-006-9025-z doi (NATIONALLICENCE)springer-10.1007/s11242-006-9025-z Modern Modelling Methods in Drying [Elektronische Daten] [Thomas Metzger, Marzena Kwapinska, Mirko Peglow, Gabriela Saage, Evangelos Tsotsas] Several modern modelling techniques are presented as tools for drying science and technology, namely pore networks, discrete element method and population balances. After first presenting results from their own research, the authors indicate what future contributions to a better understanding of the drying process at different levels—single porous particles, agitated and fluidised beds—may be expected. Springer Science+Business Media B.V., 2006 Drying kinetics nationallicence Agitated bed nationallicence Mixing nationallicence Fluidised bed nationallicence Agglomeration nationallicence Pore networks nationallicence Discrete element method nationallicence Population balances nationallicence A : Pore throat cross section [m2] nationallicence c p : Heat capacity [kJkg−1K−1] nationallicence f : Number density [m−3kg−1] nationallicence G : Rate of drying/wetting [kgs−1] nationallicence L : Capillary or pore throat length [m] nationallicence l : Amount of liquid [kg] nationallicence $$\dot{M}$$ : Mass flow rate [kgs−1] nationallicence $$\tilde{M}$$ : Molar mass [kgkmol−1] nationallicence m l : Liquid mass density [kg−3] nationallicence N mix : Mixing number [-] nationallicence n : Rotational frequency [s−1] nationallicence n : Number density [s−1] or [m−3] nationallicence $$\dot{n}$$ : Number flow rate [s−2] nationallicence $$\tilde{R}$$ : Ideal gas constant [kJkmol−1K−1] nationallicence p : Pressure [Pa] nationallicence r : Radius [m] nationallicence r 0 : Mean radius [m] nationallicence s : Meniscus position [m] nationallicence T : Absolute temperature [K] nationallicence t : Time [s] nationallicence t mix : Revolution time [s] nationallicence t R : Mixing time [s] nationallicence v : Particle volume [m3] nationallicence z : Space coordinate [m] nationallicence Greek symbols nationallicence α : Heat transfer coefficient [Wm−2K−1] nationallicence β : Mass transfer coefficient [ms−1] nationallicence β : Agglomeration kernel [s−1] nationallicence δ : Binary diffusion coefficient [m2s−1] nationallicence ζ : Dimensionless position [-] nationallicence η : Dynamic viscosity [Pas] nationallicence λ : Thermal conductivity [Wm−1K−1] nationallicence $$\dot{\nu}$$ : Dimensionless drying rate [-] nationallicence ρ : Density [kgm−3] nationallicence σ : Surface tension [Nm−1] nationallicence σ0 : Radius standard deviation [m] nationallicence τ : Age of particle [s] nationallicence ψ : Porosity [-] nationallicence Subscripts nationallicence bed : (Penetration into) Bed nationallicence I : First drying period nationallicence v : Vapour nationallicence ws : Wall-to-bed nationallicence Metzger Thomas Chair of Thermal Process Engineering, Otto-von-Guericke-University, P.O. 4120, D-39016, Magdeburg, Germany aut Kwapinska Marzena Chair of Thermal Process Engineering, Otto-von-Guericke-University, P.O. 4120, D-39016, Magdeburg, Germany aut Peglow Mirko Chair of Thermal Process Engineering, Otto-von-Guericke-University, P.O. 4120, D-39016, Magdeburg, Germany aut Saage Gabriela Chair of Thermal Process Engineering, Otto-von-Guericke-University, P.O. 4120, D-39016, Magdeburg, Germany aut Tsotsas Evangelos Chair of Thermal Process Engineering, Otto-von-Guericke-University, P.O. 4120, D-39016, Magdeburg, Germany aut Transport in Porous Media Kluwer Academic Publishers 66/1-2(2007-01-01), 103-120 0169-3913 66:1-2<103 2007 66 11242 https://doi.org/10.1007/s11242-006-9025-z text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s11242-006-9025-z text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Metzger Thomas Chair of Thermal Process Engineering, Otto-von-Guericke-University, P.O. 4120, D-39016, Magdeburg, Germany aut NATIONALLICENCE 700 1- Kwapinska Marzena Chair of Thermal Process Engineering, Otto-von-Guericke-University, P.O. 4120, D-39016, Magdeburg, Germany aut NATIONALLICENCE 700 1- Peglow Mirko Chair of Thermal Process Engineering, Otto-von-Guericke-University, P.O. 4120, D-39016, Magdeburg, Germany aut NATIONALLICENCE 700 1- Saage Gabriela Chair of Thermal Process Engineering, Otto-von-Guericke-University, P.O. 4120, D-39016, Magdeburg, Germany aut NATIONALLICENCE 700 1- Tsotsas Evangelos Chair of Thermal Process Engineering, Otto-von-Guericke-University, P.O. 4120, D-39016, Magdeburg, Germany aut NATIONALLICENCE 773 0- Transport in Porous Media Kluwer Academic Publishers 66/1-2(2007-01-01), 103-120 0169-3913 66:1-2<103 2007 66 11242 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer