Experimental study on combined infrared and microwave drying of porous media with particular application in wood industry

• Autorzy: Haghi A. K. , Ghanadzadeh H.
• Języki publikacji: EN

Abstrakty

EN

Porous materials such as wood have microscopic capillaries and pores which cause a mixture of transfer mechanisms to occur simultaneously when subjected to heating. Infrared and microwave heating of wood products has not been used to a larger extent by the wood industries and manufactures. This could be explained by the insufficient knowledge of the complex interaction between a porous material and process parameters during drying. This article uses the drying experiments to study the effects of drying modes, density and moisture content on wood hardness. Brinell hardness is measured on wood surfaces of Guilan spruce at two angles to the grain.

Słowa kluczowe

EN

porous material; wood; hardness; microwave; infrared

PL

materiały porowate; mikrofale

• Wydawca: Oficyna Wydawnicza Uniwersytetu Zielonogórskiego
• Czasopismo: International Journal of Applied Mechanics and Engineering
• Rocznik: 2006
• Tom: Vol. 11, no 4
• Strony: 985--991
• Opis fizyczny: Bibliogr. 6 poz., tab., wykr.

Twórcy

autor

Haghi A. K.

autor

Ghanadzadeh H.

• The University of Guilan, Faculty of Engineering P.O. Box 3756, Rasht 41635, IRAN,

Bibliografia

• Antti A.L. (1999): A microwave applicator for on line wood drying. - Wood Sci. Technol., vol.33, pp.123-138.
• Bachrich J.L. (1980): Dry Kiln Handbook. - Vancouver, BC, Canada: H. A. Simons.
• Basilico C. and Martin M. (1984): Approache Expčrimentale des Mecanismes de Transfert au cours du Séchage Convective ŕ Haute Temperature d'un Bois (In French). - Int. J. Heat Mass Transfer, vol.27, pp.657-688.
• Plumb O.A., Spolek G.A. and Olmstead B.A. (1985): Heat and mass transfer in wood drying. - Int. J. Heat Mass Transfer, vol.28, pp.1669-1678.
• Pougatch K., Bian Z. and Gartshore I. (2003): Modeling of airflow and wood drying inside a Kiln. - Forest Products Journal, vol.53, No.5, pp.46-54.
• Siau J.F. (1984): Transport Processes in Wood. - Berlin: Springer-Verlag.