Concurrent moving bed dryer modelling: Sensitivity of physicochemical parameters and influence of air velocity profiles

Applied Thermal Engineering

Volumn 29, Issue 5-6, 2009, Pages 892-897

  Lira, T S ^a   Barrozo, M A S ^a   Assis, A J ^a  

^a FEDERAL UNIVERSITY OF UBERLÂNDIA   (Brazil)

Author keywords

Concurrent moving bed; Drying; Two phase model

Indexed keywords

DEWATERING; MASS TRANSFER;

AIR VELOCITIES; CONCURRENT MOVING BED; DRYING; ENERGY BALANCE EQUATIONS; FLUID PHASES; PHASE MODELING; SENSITIVITY STUDIES; TWO-PHASE MODEL;

DRYERS (EQUIPMENT);

EID: 58549103502     PISSN: 13594311     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.applthermaleng.2008.04.019     Document Type: Article

References (24)

1. Parde S.R., Kausal R.T., Jayas D.S., and White N.D.G. Mechanical damage to soybean seed during processing. Journal of Stored Products Research 38 (2002) 385-394
2. Barrozo M.A.S., Felipe C.A.S., Lacerda A.F., and Lisboa M.H. Analysis of the soybean seed quality related to drying in parallel flow sliding bed. Seed Science And Technology 33 (2005) 675-685
3. Bruce D.M., and Giner A. Mathematical modelling of grain drying in counter-flow beds: investigation of crossover of air and grain temperatures. Journal of Agricultural Engineering Research 55 (1993) 143-161
4. M.A.S. Barrozo, Heat and Mass Transfer Between Air and Soybean Seeds in a Cross Flow Moving Bed, Ph.D. Thesis, Federal University of São Carlos, Brazil, 1995.
5. Barrozo M.A.S., Murata V.V., and Costa S.M. The drying of soybean seeds in countercurrent and concurrent moving bed dryers. Drying Technology 16 (1998) 2033-2047
6. Barrozo M.A.S., Sartori D.J.M., and Freire J.T. Quality analysis of soybean seeds dried in a cross flow moving bed. Seed Science and Technology 28 (2000) 169-177
7. Torrez N., Gustafsson M., Schreil A., and Martinez J. Modeling and simulation of a crossflow moving bed grain dryers. Drying Technology 16 (1998) 1999-2015
8. A.M. Souza, A.R.C. Dias, M.A.S. Barrozo, Fluid dynamic study in a countercurrent moving bed dryer, in: Proceedings of the 12th International Drying Symposium, Noordwijkerhout, Netherland, 2000.
9. Lacerda A.F., Lisboa M.H., and Barrozo M.A.S. Heat and mass transfer in a contercurrent moving bed dryer. Applied Thermal Engineering 25 (2005) 2641-2652
10. Negrini A.L., Fuelber A., Thomeo J.C., and Freire J.T. Fluid dynamics of air in a packed bed: velocity profiles and the continuum model assumption. Brazilian Journal of Chemical Engineering 16 (1999) 421-432
11. Fahien R.W., and Stankovich I. An equation for the velocity profile in packed columns. Chemical Engineering Science 34 (1979) 1350-1354
12. Vortmeyer D., and Schuster J. Evaluation of steady flow profiles in rectangular and circular packed beds by a variational method. Chemical Engineering Science 38 (1983) 1691-1699
13. D.J.M. Sartori, Heat Transfer in a Moving Bed, Ph.D. Thesis, Federal University of Rio de Janeiro, Brazil, 1986.
14. Barrozo M.A.S., Sartori D.J.M., Freire J.T., and Achcar J.A. Discrimination of equilibrium moisture equations for soybean using nonlinearity measures. Drying Technology 14 (1996) 1779-1794
15. Barrozo M.A.S., Henrique H.M., Sartori D.J.M., and Freire J.T. The use of the orthogonal collocation method on the study of the drying kinetics of soybean seeds. Journal of Stored Products Research 42 (2006) 348-356
16. Leis J.R., and Kramer M.A. The simultaneous solution and sensitivity analysis os systems described by ordinary differential equations. ACM Transactions on Mathematical Software 14 1 (1988) 45-60
17. Li S., and Petzold L.R. Design of new DASPK for sensitivity analysis. Tech. rep. Department of Computer Science (1999)
18. Li S., and Petzold L. Software and algorithms for sensitivity analysis of large-scale differential algebraic systems. Journal of Computational and Applied Mathematics 125 (2000) 131-145
19. Li S., Petzold L.R., and Zhu W. Sensitivity analysis of differential-algebraic equations: a comparison of methods on a special problem. Applied Numerical Mathematics 32 (2000) 161-174
20. Knapp D., Barocas V., Yoo K., Petzold L., and Tranquillo R. Rheology of reconstituted type I collagen gel in confined compression. Journal of Computational and Applied Mathematics 41 (1997) 971-993
21. L.L. Raja, R.J. Kee, R. Serban, L. Petzold, Dynamic optimization of chemically reacting stagnation flows, in: Proceedings of Electrochemical Society, 1998.
22. Felipe C.A.S., and Barrozo M.A.S. Drying of soybean seeds in a concurrent moving bed: heat and mass transfer and quality analysis. Drying Technology 21 (2003) 439-456
23. Box M.J., Hunter W.G., and Hunter J.S. Statistics for Experimenters: An Introduction to Design Data Analysis and Model Building (1978), John Wiley and Sons, New York
24. Statsoft, Statistica 5.1, Statsoft, Inc. Tulsa, 1997.