SIXTH INTERNATIONAL DRYING SYMPOSIUM IDS'88

VERSAILLES (France)
September 1988

Volume II: Posters
Chairmen: Prof M.A. ROQUES. ENSIC-INPL (Nancy - France)
Prof A.S. MUJUMDAR. (Montreal, Canada) Mc Gill University

CONTENTS


POSTERS

A - FIXED, FLUID, SPOUTED BED AND ROTARY OR DRUM DRYERS

PA
Mathematical model for power requirement of double drum rotary dryers
BHATTACHARYA S., Jadavpur Univ., Calcutta, India, and CHAKLADAR S., Apptech. Eng. Private Limited, Calcutta, India
1
Model for velocity profiles and mass transfer in a fixed bed
VISWANATHAN K., Research Centre, New Delhi, India, and DHINGRA S.C., Indian Inst.of Techn., New Delhi, India
7
Dynamic modelling of a drum dryer for food products
TRYSTRAM G., MEOT J.M., VASSEUR J., ABCHIR F., ENSIA, Massy, France, COUVRAT-DESVERGNES B., Crealis, Brive, France
13
Numerical investigation of the phenomenological model of vibrated fluidized bed
ERDESZ K., Research Inst. for Techn. Chem., Veszprem, Hungary, and MUJUMDAR A.S., McGill Univ. Montreal, Canada
19
The effect of process parameters on mass distributions and the efficiency of tablet coating in a spouted bed
KUCHARSKI J. and KMIEC A., Techn. Univ. of Wroclaw, Wroclaw, Poland
27
Design of a solar spouted bed dryer
CHANDRA R., SODHA M.S., Indian Institute of Techn., New Delhi, India; KHANAM M., I.F.R.D., Dhaka, Bangladesh, RAYCHAUDHRY B.C., Loyd Insulations, New Delhi, India
33
The experimental study of characteristics of a circulating fluidized bed dryer
WANG Y.N., QING L. and WEI Y., Institute of Technology, Nanjing, China
41
Fluidized bed drying of fruit and vegetable particles with different pretreatments
BOBIC Z., BAUMAN E. and TRIPALO B., University of Zagreb, Yugoslavia
47
Drying of granulated solids in circulating fluidized bed
JINESCU G. and IACOBINI A., Polytechnical Institute, Bucarest, Romania
53
Drying of alumina porous particles under isothermal conditions
STEINMETZ D., BAXERRES J.L., HEMATI M. and LAGUERIE C., ENSIGC, Toulouse, France
57
Grain drying with intermittently heat air - a simulation approach
KULSHRESHTHA M., SINGH R.D. and SRIVASTAVA S.K., G.B. Pant Univ., Pantnagar, India
65
Aerodynamics of grains in a large scale two-dimensional spouted bed with draft plates
KALWAR M.I., RAGHAVAN G.S.V., Dpt of Agric. Eng., Macdonald College of McGill University, Ste. Anne de Bellevue, Canada, MUJUMDAR A.S., Dpt of Chem. Eng., McGill University, Montreal, Canada, and FANOUS M.A., Dpt of Plant Science, Mcdonald College of McGill University, Ste. Anne de Bellevue, Canada
69
Non-ideal flow model of a top loading drum dryer
WAN RAMLI BIN WAN DAUD, Jabatan Kejuruteraan Kimia dan Proses, University Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia
77
Theoretical determination of the thickness of film of drying material in a top loading drum dryer
WAN RAMLI BIN WAN DAUD, Jabatan Kejurutteraan Kimia dan Proses, University Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia
87

B - DRYING MECHANISMS AND MODELLING

PB
Research of stressed-deformed state of foods in the drying process
PURTSELADZE D., Polytechnical Institute, Kutaisi, USSR
1
Experimental study of the drying of porous media by means of micromodels
MASMOUDI W., ENSAM, Talence, France, and PRAT M., Institut de Mecanique des Fluides, Toulouse, France
5
Optimization of the timber drying process using a combined drying simulation and internal stress calculation model
SALIN J.G., Ekono Oy, Helsinki, Finland
13
Numerical analysis of drying and shrinkage of salami sorts
IMRE L. and KORNYEY T., Techn. Univ., Budapest, Hungary
19
Thermophysical properties of tropical agricultural products as related to drying
ABDULLAH K., SYARIEF A.M., Bogor Agricultural Univ., Indonesia and SAGARA Y., Univ. of Tokyo, Japan
27
The transport of condensible water vapour through microporous building materials
QUENARD D. and SALLEE H., C.S.T.B., St Martin d'Heres, France
33
Two-dimensional finite element model for drying of refractory concrete
ZHANG Y.F., GONG Z.X., Tianjin Institute, Tianjin, China and MUJUMDAR A.S., McGill Univ., Montreal, Canada
41
Modified BET equation for sorption/desorption isotherms
JAAFAR F. and MICHALOWSKI S., Techn. Univ., Lodz, Poland
45
Concerning the influence of external fields on the flow of gases in porous bodies
MARTYNENKO O.G. and LEVDANSKY V.V., Institute of the BSSR, Academy of Sciences, Minsk, USSR
51
The interaction between condensed and gaseous water during migration processes in porous media
DAIAN J.F., Institut de Mecanique, Grenoble, France
57
Convective drying of porous bodies wetted with an alcohol water salt mixture
SCHULTZ P. and SCHLUNDER E.U., Institut für Thermische Verfahrenstechnik, Karlsruhe, F.R.G.
63
Model for drying of coated paper
HEIKKILA P. and KARLSSON M., Valmet Paper Machinery Inc., Turku, Finland
71
Mathematical model for parallel flow dryer for slabs with high thermal diffusivity
SOININEN M., Teollisuusmittaus Oy, Turku, Finland
77

C. EXTERNAL TRANSFER, SPRAY DRYING AND DEHUMIDIFICATION OF AIR

PC
Drying of air in silicagel packed column
ABUGALIYE F., BALTACIOGLU H., BALKOSE D., Ege Univ., Izmir, Turkey
1
Experimental study and modelization for air drying of cassava and sugar beet pulp
SALGADO M., DANZART M., BIMBENET J.J., ENSIA, Massy, France and MUCHNIK J., INRA, Massy, France
7
The research on the centrifugal spray drying process of glue solution
ZHANG Z.Y., Tong-Ji University, Shanghai, China
15
Model for heat and mass transfer in the atomizer zone
ZBICINSKI I., Techn. Univ. of Lodz, Poland
21
Experimental determination of the heat and mass transfer coefficients of paper dryer screens
NEUMANN R. and PITA V., Universidad de Concepcion, Concepcion, Chile
25
Air flow through a timber kiln
RICOLLEAU C., ARNAUD G. and FOHR J.P., Laboratoire d'Etudes des Systemes Thermiques et Energetiques, Poitiers, France
31
The relation between heat and mass transfer coefficients at the contact of a porous medium and a turbulent external flow
PERRIN B. and DAROLLES D. - INSA, Toulouse, France
37
The evaporation of single droplets - experiments and modelling
NESIC S., Boris Kidric Institute, Beograd, Yugoslavia
43
Heat and mass transfer on the interface at liquid evaporation in the drying process of a capillary porous colloidal body
DOLINSKY A.A., VAINBERG R.S. and PIEVSKY J.M., Institute of Eng. Therm., Kiev, USSR
51

D - DRYING KINETICS

PD
Effect of different pre-drying and drying parameters of carrots
LESELLIER E., MARTY C., BERSET C., ENSIA, Massy, France and LEBERT A., INRA, Massy, France, and LAGUERRE J.C., BIMBENET J.J., ENSIA, Massy, France
1
Humidity measurements in industrial baking ovens or dryers
TRYSTRAM G., ENSIA, Massy, France, BRUNET P., LAMBERT D., CTUC, Massy, France, MARCHAND B., RAPEAU F., GDF, La Plaine St. Denis, France
9
A choice of dryer for biosynthesis products
STRUMILLO C., GRABOWSKI S., ZBICINSKI I. and BARTCZAK Z., Techn. Univ., Lodz, Poland
17
Making drying curves more practical for dryer designing and operational controlling
JINGXIAN G., GUOHE Y., Shanghai Inst. of Mech. Eng. and YUSHENG J., Shanghai Hua Yuan Drying Techn. and Eng. Corp.
23
Paddy thin-layer drying equation
MOJSVOSKI A. and NIKOLIC D., Skopje Univ., Skopje, Yugoslavia
31
Kinetics of the drying process of leaves, cones and hop rachises
LIS H., LIS T. and ORZYP G., Agricultural Univ., Lublin, Poland
35
Kinetics of the carrot drying process
LIS T. and LIS H., Agricultural Univ., Lublin, Poland
39
Thin layer drying of mal
BALA B.K., Agricultural University, Mymensingh, Bangladesh and WOODS J.L., University of Newcastle, England
43

E - VARIOUS DRYING METHODS

PE
Design and testing of a rotary-type liquid desiccant dehumidifier
GANDHIDASAN P., GORING O. and MYERS K., Univ. of the West Indies, Trinidad, W.I.
1
Osmotic dehydration of apples at high temperature
LENART A. and LEWICKI P.P., Warsaw Agric. Univ., Warsaw, Poland
7
Researches on apricot drying combined with osmosis
CRIVELLI G., BERTOLO G., MAESTRELLI A., I.V.T.P.A., Milano, Italy
15
Applying of simulation to designing of vacuum contact dryer
SZTABERT Z.T., Industrial Chemistry Research Institute, Warszawa, Poland
19
Vacuum contact drying of the biomaterials
NASTAJ J. and WALCZAK S., Univ. of Szczecin, Szczecin, Poland
25
Mathematical model of a photo-electric cell powered fruit solar dryer
EL HISSE M. and FOURNIER M., Universite, Perpignan, France
33
Design and production of an indirect natural convection solar drier
JANNOT Y., National Advanced School of Food Techn., Ngaoundere, Cameroun
39
Design, setting up and experimentation of solar dryers for tropical products in hot areas
THEMELIN A., GRIFFON D., CEEMAT/CIRAD, Massy, France and HEBERT J.P., ENSIA/SIARC, Massy, France
43
Heat and mass transfer characteristics of pulse-combustion drying process
NOMURA T., NISHIMURA N., HYODO T., Osaka City Univ., Osaka, Japan; TAGO Y., HASEBE H., Osaka Gas Co., Osaka, Japan; KASHIWAGI T., University of Tokyo, Tokyo, Japan
51
Experimental data and preliminary design of a non-conventional dryer of leather
ARANA C.R., Univ. of Guanajuato, Mexico and DE GORTARI J.C., Faculty of Engineering, Mexico
59
Optimisation of application of infrared beam at industrial wavelengths 1 to 6 elevation temperature process in drying polymerisation of products
LAIR J., Ste ELMETHERM, St Laurent/Gorre, France
65
Preliminary measurements on the drying of thick porous materials by combination of intermittent infrared and continuous convection heating
SEGUIN J.N., MAURE D., TON-THAT Q.A. and CHATIGNY R., Laboratoire of Techn. Electrochim., Shawinigan, Canada
71
Drying milk on vacuum cylinder drier
COSTA Ph., EDF, Moret/Loing, France
79
A low tcmperature drying system using liquid desiccants
KETTLEBOROUGH C.F., GANDHIDASAN P. and ULLAH R., Texas A & M Univ., College Station, U.S.A.
85
Mixed mode solar crop dryers for the topics
MAC GAW D.R., SANKAT C.K. and HEADLEY O.C., Univ. of West Indies, Trinidad, West Indies
93
Superheated steam drying with mechanical steam recompression
GARIN P., BOY-MARCOTTE J.L., Ste BERTIN, Plaisir, France - ROCHE A. and DANNEVILLE A., Ste PROMILL, Dreux, France
99
Batch drying of clay slurries
NURGUN U.B. and PEKER S., Ege Univ., Izmir, Turkey
105