Proceedings of the International Drying Symposium  IDS'98 
CONTENTSVOLUME A 
Section 1. Keynote Lectures  
Industrial drying of difficult materials in fluidized bed dryers
Filka P., Filkova I. 
1 
Achievements, challenges and perspectives in modelling and design
of convective dryers Tsotsas E. 
11 
External heat and mass transfer during the convective drying and
heating of strips materials Konovalov V.I. Gatapova N.Z. 
23 
Physical aspects of food dehydration Saravacos G.D. 
35 
Osmotic treatments in food processing current state and future
needs Spiess W.E.L., Behsnilian D. 
47 
The use of homogenisation to simulate heat and mass transfer in
wood: towards a double porosity approach Perre P. 
57 
Electrotechnology in drying and processing of biological materials
Raghavan G.S.V., Orsat V. 
73 

Section 2. Modeling and Simulation of Drying  
Mathematical Simulation of a DeepBed Drying Akritidis C.B. Dimitriadis A.N. 
87 
A component model for simulation of multiple fluidized bed heat
pump dryers AlvesFilho O. Thorbergsen E. Strommen I. 
94 
Life cycle assessment of an energy system where a superheated
steam dryer is integrated with a local district heat and power plant
Björk H. Rasmuson A. 
102 
Heat and mass transfer in vibrofluidized bed dryer Borde I. Dukhovny M. Elperin T. 
110 
Heat and mass transfer during the convective drying: from the
sample behaviour to the drier project Bouaziz N. Belghith A. 
118 
An experimental and modeling approach of the drying of a initially
fluid multiphase multicomponent medium Bruneau D. Younis M. 
126 
A population balance model for fluidized bed drying
Burgschweiger J. Tsotsas E. 
134 
Quantification of through drying rate data Chen G. 
142 
Parameter estimation of Luikov's drying equation Daud W.R.W. Ibrahim M.H. Talib M.Z.M. 
150 
Modeling of bed pressure drops in rotationpulsed fluidized bed
dryer Djurkov T. G. 
160 
Modelling of alfalfa drying using neural network Farkas I. Remenyi P. Biro A. 
168 
Gastoparcicle heat transfer in a draft tube spouted bed with
continuous solids feeding Freitas L.A.P. Freire J.T. 
176 
Heat transfer from a surface to wet fluidized particles during
drying Groenewold H. Tsotsas E. 
184 
Predicting apparent Sherwood numbers for fluidized beds
Groenewold H. Tsotsas E. 
192 
A numerical study of fluid flow and heat/mass transfer over a stack
of planks Hashemi A. Dost S. Tabarrok B. 
200 
A simulation and performance analysis of a heat pump batch dryer
Hawlader M.N.A. Bong T.Y. Yue Yang 
208 
Impact of the pore structure on particleside drying kinetics
Hirschmann C. Tsotsas E. 
216 
Comparison of two basic methods for measuring drying curves: Thin
layer method and drying channel Hirschmann C. Fyhr C. Tsotsas E. Kemp I.C. 
224 
Evaluation of superheated steam impinging steam dryer performance
via a numerical approach Hosseinalipour S.M. Devahastin S. Mujumdar A.S. 
232 
Effect of intermittent heating on dryinginduced strainstress of
molded clay Itaya Y. Mori S. Hasatani M. 
240 
An Integrated neural model for drying and thermal degradation of
selected products Kaminski W. Tomczak E. 
248 
Numerical study of drying Kanevce H.G. 
256 
Validation of a physical based drying model with the aid of
NMRimaging Kroes B. Coumans W.J. Pel L. Kerkhof P.J.A.M. 
264 
Stability of the ODE system describing continuous gasphase
controlled drying of a liquid film Luna F. Martinez J. 
272 
Vacuum drying of materials with a nonhomogeneous inner structure as
hyperbolic moving boundary problem Nastaj J.F. 
280 
Theory of Dispersed Materials Vacuum Drying with Removal of
Multicomponent Liquid Systems Sadykov R.A. 
288 
Variable interactions and solid transport dynamic modelling of
rotary drum sugar drying Shahhosseini S. Cameron I.T. Wang F.Y. 
295 
Using dryPak to simulate drying processes Silva M.A. Correa J.L.G. 
303 
Introduction to a multiresolution model of drying Slade G.W. Gras F. 
311 
Neural modeling of pulse combustion in application to drying
systems Stawczyk J. Zibcinski I Murlikiewicz K. 
319 
Discrete optimal control of crosscurrent fluidized drying with and
without recycle of dried granular solid Szwast Z. Sieniutycz S. 
326 
Simulation of fluidized bed drying process by neural models
Zibcinski I Szulczewska B. Gorak A. 
334 
Influence of temperature of drying medium on drying stresses
Musielak G. 
341 
Part I  Modeling drying of threedimensional pulp molded
structures  experimental program Nyist H. Hunt J.F. TamasyBano M. 
349 
Evaluation of fixed bed drying of agricultural produce by
simulation and laboratory investigation Ghiaus A.G. Margaris D.P. Papanikas D.G. 
357 
Transpore: A generic heat and mass transfer computational model for
understanding and visualising the drying pf porous media Perre P. Turner I.W. 
365 
Simulation of two layer drying model for cocoa beans Daud W.R.W., Talib M.Z.M., Ibrahim M.H. 
375 
Thermodynamic aspects of drying process Elenkov Vladimir R. Djurkov T. G. 
383 
Transfer functions of a modular solar dryer Farkas I. Meszaros Cs. Seres I. 
391 
Simulation of super heated steam spray drying using computational
fluid dynamics Frydman A. Vasseur J. Moureh J. Sionneau M. 
399 
Mathematical modeling of crossflow belt dryer for polymer drying
Goncharova S.V. Chelnokov V.V. Menshutina N.V. Menshikov V.V. 
407 
Mass and heat transfer in liquid sprayed gas/solid fluidized beds
Heinrich S. Mörl L. 
414 
Computational analysis of industrial batch dryers
Kiranoudis C.T. Markatos N.C. 
422 

Section 3. Drying Equipment  
Variation of drying rate according to material width in forced
convective drying Almubarak A.A. Baker C.G.J. 
433 
Energy consumption of continuous wellmixed fluidized bed dryers
Baker C.G.J. 
440 
Application of fuzzy expert systems in dryer selection
Baker C.G.J. Lababidi H. 
448 
Batch Drying of a Particulate Material in a well Mixed dryer at
Constant Bed Temperature Devahastin S. Mujumdar A.S. 
456 
Optimal designing of the process and apparatus with flowing streams
for the granular materials' drying Dvoretsky S.I. Kormiltsin G.S. Dmitriev V.M. Klimchikov A.V. 
464 
Drying of powdery materials in a pulsed fluid bed dryer
Gawrzynski Z. Glaser R. Kudra T. 
472 
A novel wall injection type superheated steam dryer using a
permeable porous metal Nomura T. Nishimura N. Yamaguchi N. Motoki R. Funakoshi J. Kitagawa T. Kosaka A. 
480 
Natural gasfuel of choice in industrial drying Kudra T. 
488 
Pulse combustion drying Liu X.D. Cao C.W. Li B.G. Zibcinski I. Strumillo C. 
496 
Fluiddynamics of a Spouted Bed Coater with and without Draft Tube
Publio M.C.P. Silva G.D. Aguiar M.L. Oliveira W.P. 
504 
Pressure drop fluctuations analysis as a tool for obtaining the
fluiddynamics regimes in spouted beds Rocha S.C.S. Taranto O.P. Silva V.A. Goncalves C.H.F. Raghavan G.S.V. 
512 
Convective dryer with centralized hot drying agent preparation
Stakic M.B. Voronjec D.K. Topic R.M. 
519 
Flash drying model for granular and particulate material exhibiting
a diffusioncontrolled rate period Tanthapanichakoon W. Tantirodchanamate S. Charinpanitkul T. 
527 
Particle residence time distribution in con and countercurrent
spray drying towers Taylor T. 
533 
Applications of a novel rotary dryer (TRD) Yamato Y. 
541 
Analysis of the effect of loading on the behaviour of rotary dryers
with flights Riquelme G.D. 
549 
Implementation and test of a multiloop PID controller in a spouted
bed Moreira E.A Correa N.A Freire J.T. Correa R.G. 
557 
Drying characteristics of slot jet reattachment nozzle Alam S.A. Yagoobi J.S. Narayanan V. Page R.H. 
565 
Energy use for drying processes: The potential benefits of airless
drying Gilmour J.E. Oliver T.N. Jay S. 
573 
Solids residence time and drying in cyclones Kemp I.C. Frankum D.P. Abrahamson J. Saruchera T. 
581 
Experimental study and modeling of drying of sodium carbonate
monohydrate in circulating fluidized bed Koutchoukali M.S. Diguet S. Saleh K. Hemati M. 
589 
Computer system for the control of a pneumatic drum drier
Stefanovic M.M. Stakic M.B. 
597 
Narrow PSD atomization in spray drying Gronlund M. Rasmussen S. Schwartzbach C. 
605 
Cleaning in place filters Gronlund M. Bach P. 
608 
On the development of a heat pump dryer to maximize heat recovery
Hawlader M.N.A. Chou S.K. Ho J.C. Chua K.J. 
616 
Information system for selection of dryer Matasov A. Menshutina N.V. Kudra T. 
624 
Moisture control of counter current flow driers Ventzas D.E. 
630 
Continuous drying of microparticle slurry by a powder particle
spouted bed Kato K. Osada S. Xu J. Nakagawa N. 
638 

Section 4. Applications of Industrial Drying Equipment  

Section 5. Thermophysical and Transport Properties  
Determination of heat flux in thin layer drying of sludges
CarrereGee C. Lecomte D. Fudym O. Ledevie B. Vasseur J. 
695 
Estimation of moisture content and temperature dependent water
diffusivity in raw ham Comaposada J. Pakowski Z. Bartczak Z. Gou P. 
703 
Mechanical, physical and chemical phenomena during food drying.
Consequences on properties of dried products Dumoulin E.D. Bimbenet J.J. 
711 
Thermophysical and transport properties in curing of tobacco
Kerekes B. Lengyel A. Sikolya L. 
719 
Inside moisture migration of maize kernels during artificial drying
examined by nuclear magnetic resonance imaging (NMRI) Kovacs A. Nemenyi M. 
727 
Determination of effective moisture diffusivity of biomaterials
Liu X.D. Cao C.W. Zibcinski I Strumillo C. 
732 
Investigation on effect of the freezing rate in the internal
structure and on the transport coefficients Luccas P. Silveira A.M. Freire J.T. 
739 
Measurement and prediction of thermal properties of potatoes
McMinn W.A.M. Magee T.R.A. 
747 
Sorption and desorption process of system with power relation
between diffusivity and concentration Sano Y. Yamamoto S. Kobuchi S. 
754 
Desorption isotherms and diffusion coefficients of catalytic
materials Van der Sanden S.C.T. Coumans W.J. Kerkhof P.J.A.M. 
762 
Heat transfer coefficient during simultaneous heat and mass
transferexperimental work Berg CG. A. Karlsson M. 
770 
Determination of the convective heat transfer coefficient during
immersion frying Hubbard L.J. Farkas B.E. 
781 
Density, Shrinkage and Porosity of Starch gel during convective
drying McMinn W.A.M. Magee T.R.A. 
789 
Heat and mass transfer during drying of apple cylinders by natural
convection Moreira M. Villate J.E. Turanjanin V.M. 
796 
Application of new method for defining the moisture diffusion
coefficients during drying process Vodnik J.J. Stakic M.B. Turanjanin V.M. 
804 
Effect of drying method on physical properties of dehydrated
products Krokida M.K. Maroulis Z.B. MarinosKouris D. 
809 

Section 6. Osmotic Dehydration  
Modelling of water losses during osmotic dehydration using the
Weibull probabilistic model: application of the Doptimal design concept
to improve parameter estimation Aboim A.P. Oliveira F.A.R. Drumond C. Frias J.M. Cunha L.M. 
819 
Equilibration of apple tissue in osmotic dehydration.
Microstructural changes Barat J.M. Albors A. Chiralt A. Fito P. 
827 
Osmotic dehydration of apple as affected by vacuum impregnation
with HM pectin MartinezMonzo J. MartinezNavarrete N. Chiralt A. Fito P. 
836 
Shrinkage, microscopic studies and kinetics of apple fruit tissue
during osmotic dehydration Mavroudis N.E. Wadsf L. Gekas V. Sjfholm I. 
844 
Mass transfer during dewatering and salting of tilapia for
different brine to fillets ratios Medina M.V. Sobral P.J.A. Hubinger M.D. 
852 
Influence of solute temperature and concentration on the combine
osmotic and air drying Reppa A. Mandala J. Kostaropoulos A.E. Saravacos G.D. 
860 
Mathematical modelling of mass transfer during osmotic dehydration
Salvatori D. Andres A. Chiralt A. Fito P. 
868 
Influence of the osmotic solution concentration on the structural
and compositional profiles in dehydrated apple tissue Albors A. Salvatori D. Andres A. Chiralt A. Fito P. 
877 
Osmotic dehydration of orange peel Chafer M. Ortola M.D. Chiralt A. Fito P. 
886 
The influence of repeated use of sucrose syrup on the quality of
osmoconvective drying of sour cherries Szymczak J. Plocharski W.J. Konopacka D. 
895 
Mass transfer during osmotic dehydration of apples with pectin
coatings Lenart A. Dabrowska R. 
903 
The osmotic dehydration of shark fillets Mujaffar S. Sankat C.K. 
911 
Microwavevacuum drying of osmotically pretreated fruit
Torringa H.M. Erle U. 
922 
Influence of osmotic dehydration on texture and pectic composition
of kiwifruit slices Torreggiani D Forni E. Maestrelli A. Quadri F. 
930 
Osmotically induced mass transfer in apple slices Liang H.H. Floros J.D. 
938 
Optimizing the osmotic dehydration process of green peppers
Ozaslan B.F. Ozdemir M. Dock L.L. Floros J.D. 
946 
Osmotic dehydration of fruits Panagiotou N.M. Karathanos V.T. Maroulis Z.B. 
954 

VOLUME A Section 1. Keynote Lectures Section 2. Modeling and Simulation of Drying Section 3. Drying Equipment Section 4. Applications of Industrial Drying Equipment Section 5. Thermophysical and Transport Properties Section 6. Osmotic Dehydration VOLUME B Section 7. Drying of Foods Section 8. Drying of Agricultural Products Section 9. Drying of Wood, Paper and Textiles VOLUME C Section 10. Drying of Pharmaceuticals, Chemicals and Biologicals Section 11. Miscellaneous Drying Processes Section 12. Suplementary Papers 