DRYING'82

CONTENTS

PREFACE ix
Section I.
DRYING THEORY, MODELING, AND CONTROL
Mathematical Modelling of Heat and Mass Transfer Processes of Drying of Porous Materials of Sorptive Properties
T. Blickle, S. Endrenyi
1
Surface Drying in Heat Processing of Solid Foods
A. Christensen, C. Skj~ldebrand, B. Hallstrom
6
Modeling of Dryeration Processes
M. Fortes, M.R. Okos, J.B. Pinheiro Filho
12
Drying of Porous Hygroscopic Materials: An Extended Shrinking Core Model
A. Hallstrom
19
A Model of Drying: Drying and Pyrolysis of Solid Fuels at Fire Intensity Conditions
Edward J. Kansa
25
Section II.
DRYING OF PARTICULATE SOLIDS
A Model for Rotary Dryer Computation
Fred Alexander Aiken III, P.E. and Edwin M. Polsak, P.E.
32
Residence Time Distribution of Particles in Rotary Dryers and Coolers - A Brief Review
H. Hirosue, H. Shinohara
36
Drying of Granulated Polymers in Vibrated Fluidized Bed
Gheorghita Jinescu, Cornelia Balaban and T. Dobre
42
Bed-to-Particle and Interparticle Heat Transfer in the Design of Fluidized Bed Dryers
J. Vanderschuren, C. Delvosalle
48
The Kinetics of Sorghum Grains Drying in a Mechanically Stirred Bed Dryer
Giovanni Brunello, Claudio A.O. do Nascimento
56
Aerodynamic and Drying Characteristics of an Agitated Fluidized Bed Dryer
M. Khalid and A.S. Mujumdar
61
Flow and Immersed Surface Heat Transfer in a Vibro-Fluidized Bed
Detlev Ringer and Arun S. Mujumdar
67
Section III.
DRYING OF CONTINUOUS SHEETS
Analysis of Heat and Mass Transfer within a Sheet of Papermaking Fibers During Drying
Peter F. Lee, Jeffrey A. Hinds
74
Drying and Heat Transfer Characteristics During Bench-Scale Press Drying of Linerboard
Von L. Byrd
83
Prediction of Heat Transfer Under a Plane Turbulent Impinging Jet Including Effects of Crossflow and Wall Motdon
A.S. Mujumdar, P.G. Huang and W.J.M. Douglas
-
Laboratory Drying Study and Applications for Paper Machine Drying
C.R. Hodges
99
A Transient Simulation Model for Combined Impingement and Through Drying of a Permeable Web
P.G. Huang and A.S. Mujumdar
106
Section IV.
ENERGY ASPECTS IN DRYING
Uses of Waste Heat from Dryers in the Forest Products Industry
L. Dev
115
Criteria of Energetic Performance for Convection-Type Dryers
J.J. Bimbenet
121
Section V.
SIMULATION OF DRYERS
An Improved Model of a Paper Machine Multicylinder Drying Section
J.L. Videau, A. Lemaitre
129
Theoretical and Numerical Calculations for Determining the Moisture Content of Solid Material in Spouted Bed Dryers
E. Pallai-Varsanyi, R. Tórds, E. Aradi
139
Computer Simulation of Solar Energy for Grain Drying in Japan
Takaaki Maekawa, Kiyohiko Toyoda, Koichi Matsumoto
145
Analysis of the Food Freeze Drying Process with Predetermined Surface Temperature Variation
F.V. Albin, S. Srinivasa Murthy, M.V. Krishna Murthy
151
Section VI.
SPRAY DRYING
Formation of Crystals on the Surface of Non-Supported Droplet in Drying
T. Furuta, M. Okazaki, R. Toei and E.J. Crosby
157
Apparent Viscosity of Non-Newtonian Droplet on the Outlet of Wheel Atomizer
J. Weberschinke, I. Filkova
165
Some Progress in Atomization
R.L. Upadhyaya
171
Analysis of Transfer Processes in the Atomization Zone in Spray Drying
Kazimir Kmet, Eva Kopecka
178
Section VII.
DRYING OF FOODSTUFFS AND GRAINS
Corona-Wind Augmented Baking
F.A. Kulacki, J.M. Kevra
183
Low Pressure Sublimation in Combined Radiant and Microwave Freeze Drying
Yi Hua Ma, Harold Arsem
196
The Control Characteristics of the Sublimation Process for Preservation of Activities of Biological Substances
Sui Lin, Ta-hsu Chou
201
First Prototypes for Small Fruit and Vegetable Country Solar Dryers
J.R. Puiggali, B. Varichon
208
Drying Induced Stresses in Food Grains- A Finite Element Approach
Shahab Sokhansanj
214
Intermittent Drying of Soybeans
J.B. Pinheiro Filho, M. Fortes, V.E. Sweat, M.R. Okos
220
Section VIII.
MISCELLANEOUS TOPICS
Drying of Lumber - A Method for Evaluating a Drying Schedule
Magne Lamvik
227
Performance Relations and Norms for Textile Contact and Convection Dryers
M. Ratna Prabhu, J.S. Parajia
233
Simulation of Rough Rice Drying in a Spouted-Bed
C.A. Zurit and R. Paul Singh
239
Preparing Crops for Storage with a Microwave Vacuum (MIVAC) Drying System
D.R. Gardner and J.L. Butler
248

CONTRIBUTORS INDEX
252

SUBJECT INDEX
253