Dynamic modelling of the wood stack in a wood drying kiln

Chemical Engineering Research and Design

Volumn 78, Issue 1, 2000, Pages 107-117

  Sun, Z F ^a   Carrington, C G ^a   Bannister, P ^b  

^a UNIVERSITY OF OTAGO   (New Zealand)

^b Energy Group Ltd   (New Zealand)

Author keywords

Characteristic drying curve; Dehumidifier dryer; Dynamic modelling; Mass and heat transfer; Timber stacking; Wood drying kiln

Indexed keywords

DRYERS (EQUIPMENT); DRYING; DYNAMIC RESPONSE; HEAT TRANSFER; KILNS; MASS TRANSFER;

DEHUMIDIFIER DRYER; WOOD DRYING KILN;

WOOD;

DRYING; HEAT TRANSFER; MODELING;

EID: 0034009347     PISSN: 02638762     EISSN: None     Source Type: Journal    
DOI: 10.1205/026387600526942     Document Type: Article

References (29)

1. Ashworth, J. C., 1977, The mathematical simulation of batch-drying of softwood timber. PhD Thesis, (Department of Chemical Engineering, University of Canterbury, New Zealand).
2. Keey, R. B. and Ashworth, J. C., 1979, The kiln seasoning of softwood timber boards, The Chemical Engineer, August/September, pp 593-598.
3. Pang, S., 1994, High-temperature drying of Pinus radiata boards in a batch kiln. PhD Thesis, (Department of Chemical and Process Engineering, University of Canterbury, New Zealand).
4. Keey, R. B. and Pang, S., 1994, The High-temperature drying of softwood boards: a kiln-wide model, Trans IChemE, 72(A6): 741-753.
5. Pang, S., 1996, Development and validation of a kiln-wide model for drying of softwood lumber, Cloutier, A., Fortin, Y. and Gosselin, R. (Ed.), Proc 5th IUFRO Int Wood Drying Conf, Angust 13-17, Quebec City, Canada, pp 103-110.
6. Keey, R. B., 1992, Drying of Loose and Particulate Materials, (Hemisphere Publishing Corporation, New York).
7. Sun, Z. F., Carrington, C. G., McKenzie, C., Bannister, P. and Bansal, B., 1996, Determination and application of characteristic drying-rate curves in dehumidifier wood drying, Cloutier, A., Fortin, Y. and Gosselin, R. (Ed.), Proc 5th IUFRO Int Wood Drying Conf. August 13-17, Quebec City. Canada, pp 495-503.
8. Stanish, M. A., Schajer, G. S. and Kayihan, F., 1986, A mathematical model of drying for hygroscopic porous media. AlChE J, 32(8): 1301-1311.
9. Sun, Z. F. and Carrington, C. G., 1999, Effect of slack configuration on wood drying processes, Vermaas, H. and Steinmann, D. (Ed.), Proc 6th IUFRO Int Wood Drying Conf, January 25-28, Stellenboschc South Africa, pp 89-98.
10. Salin, J-G., 1996, Prediction of heat and mass transfer coefficients for individual boards and board surfaces. A review, Cloutier, A., Fortin, Y. and Gosselin, R. (Ed.), Proc 5th IUFRO Int Wood Drying Conf. August 13-17, Quebec City, Canada, pp 49-58.
11. Slattery, J. G., 1981, Momentum, Energy, and Mass Transfer in Continua, 2nd ed., (Robert E. Krieger Publishing Company, Inc., New York).
12. Bird, R. B., Stewart, W. E. and Lightfoot, E. N., 1960, Transport Phenomena, (Wiley, New York).
13. Simpson, W. T., 1971, Equilibrium moisture content prediction for wood. Forest Products J, 21(5): 48-49.
14. Skaar, C., 1988, Wood Water Relations, (Springer-Verlag, Berlin).
15. Wexler, A., Hyland, R. and Stewart, R., 1984, Thermodynamic Properties of Dry Air, Moist Air and Water and SI Psychrometric Charts, (American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc., Atlanta, GA).
16. Patankar, S. V., 1981, Numerical Heat Transfer and Fluid Flow, (McGraw-Hill Book Company, New York).
17. Schlichting, H., 1960, Boundary Layer Theory, 4th ed. (McGraw-Hill Book Company, New York).
18. Danckwerts, P. V. and Anolick, C., 1962, Mass transfer from a grid packing to an air stream, Trans IChemE, 40: 203-213.
19. Sorensen, A., 1969, Mass transfer coefficients on truncated slabs, Chem Eng Sci, 24: 1445-1460.
20. Kho, P. C. S., Keey, R. B. and Walker, J. C. F., 1989, Effects of minor board irregularities and air flows on the drying rate of softwood timber boards in kilns, Proc IUFRO Wood Drying Symp, Seattle, Washington, pp 150-157.
21. Kho, P. C. S., Keey, R. B. and Walker, J. C. F., 1990, The variation of local mass-transfer coefficients in streamwise direction over a series of in-line, blunt slabs, CHEMECA '90, 18th Australasian Chemical Engineering Conf, August 27-30, Auckland, New Zealand, pp 348-354.
22. Kho, P. C. S., 1993, Mass transfer from in-line slabs, PhD Thesis, (Department of Chemical and Process Engineering, University of Canterbury, New Zealand).
23. Langrish, T. A. G., Kho, P. C. S. and Keey, R. B., 1992, Experimental measurements and numerical simulation of local mass-transfer coefficients in timber kilns, Drying Technol, 10: 753-781.
24. Langrish, T. A. G., Keey, R. B., Rho, P. C. S. and Walker, J. C. F., 1993, Time-dependent flow in arrays of timber boards: flow visualizalion, mass-transfer measurements and numerical simulation, Chem Eng Sci, 48(12): 2211-2223.
25. Sun, Z. F. and Carrington, C. G., 1999, Dynamic modelling of a dehumidifier wood drying kiln, Drying Technol, 17(4&5): 711-729.
26. Carrington, C. G. and Bannister, P., 1996, An empirical model for a heat pump dehumidifier using HFC-134a, Int J Energy Research, (20): 853-869.
27. Bannister, P., Bansal, B., 1996, Heat pump dehumidifier timber drying. Final trial and general summary of findings: Atlas timber trials. EROL-RR-03. ISBN 1-877157-01-5 (Energy Research Otago Ltd., Dunedin, New Zealand).
28. Bannister, P., Bansal, B., Carrington, C. G. and Sun, Z. F., 1998, Impact of kiln losses on a dehumidifier drier, Int J Energy Research, (22): 515-522.
29. Sun, Z. F., Carrington, C. G. and Bannister, P., 1999, Validation of a dynamic model for a dehumidifier wood drying kiln, Drying Technol, 17(4&5): 731-743.