The Economics of the Optimisation of Hardwood Timber Drying Schedules (short communication)

• Autorzy: Langrish T. , Pordage L.
• Języki publikacji: EN

Abstrakty

EN

The economic basis of the optimisation of timber drying schedules for hardwood timber has been studied, in which costs due to leakage, humidification, venting, fan power, heat loses from the shell, drying, and heating of the wood and air have been considered. Heat losses and other energy-related losses are a small component of the costs compared with the added value of the timber, so the use of higher temperatures to give higher drying rates dominates heat losses from the kiln shell. For the optimisation of hardwood timber drying schedules, an objective function that maximises the change in moisture content over a fixed time interval and hence the productivity is effectively one that also maximises the profit.

Słowa kluczowe

EN

economic analysis; hardwood timber; drying schedules

• Wydawca: Polska Akademia Nauk, Wydział IV Nauk Technicznych
• Czasopismo: Bulletin of the Polish Academy of Sciences. Technical Sciences
• Rocznik: 2000
• Tom: Vol. 48, nr 3
• Strony: 333--337
• Opis fizyczny: 2 tabele, bibliogr. 3 poz.

Twórcy

autor

Langrish T.

autor

Pordage L.

• Department of Chemical Engineering, University of Sidney, NSW 2006, Australia

Bibliografia

• [1] T. A. G. Langrish, A. S. Brooke, C. L. Davis, H. E. Musch, G. W. Barton, An improved drying schedule for Australian ironbark timber: optimisation and erperimental validation, Drying Technology An International Journal, 15 (1997) 47-70.
• [2] J. R. Welty, Engineering heat transfer, Wiley, New York 1978.
• [3] D. J. Brennan, Process industry economics: an Australian perspective, Longman Cheshire, Melbourne (1990) 116.