RADIAL VARIATION IN LONGITUDINAL PERMEABILITY OF BEECH WOOD CONTAINING RED HEART WOOD

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GHOLAMIAN H.; TAROMIAN A.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

Journal Paper

Paper Information

Journal: Journal of Forest and Wood Products Year:2010 | Volume:63 | Issue:1 Page(s): 37-46

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Title

RADIAL VARIATION IN LONGITUDINAL PERMEABILITY OF BEECH WOOD CONTAINING RED HEART WOOD

Author(s)

GHOLAMIAN H. | TAROMIAN A. | Issue Writer Certificate

Keywords

LONGITUDINAL PERMEABILITYQ3

RED HEARTWOODQ3

BEECHQ2

TYLOSESQ3

Abstract

In this research, radial variation in LONGITUDINAL PERMEABILITY of BEECH (Fagus orientalis( wood containing RED HEARTWOOD was investigated. The boards prepared from pith to bark were dried under temperature of 50ºC and relative humidity of 63% to the final moisture content of 7%. Then, cylindrical samples of 18 mm in diameter and 15 and 30 mm in length were longitudinally cut from the boards. The lateral surfaces of the samples were coated using epoxy resin to confine the fluid (air) flux along the longitudinal direction. Then, the LONGITUDINAL PERMEABILITY of the samples was measured by a gas permeability device. For each thickness, the pattern of radial variation in permeability was similar. The results showed that the LONGITUDINAL PERMEABILITY of samples close to bark was greater that that of those close to the pith. Also, a sharp reduction in permeability occurred near the pith. The microscopic studies revealed that regardless of vessel diameter and proportion which significantly affect the LONGITUDINAL PERMEABILITY, the presence of TYLOSES in the vessels as a result of red heart wood formation is the main factor for the decreased LONGITUDINAL PERMEABILITY.

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APA: Copy

GHOLAMIAN, H., & TAROMIAN, A.. (2010). RADIAL VARIATION IN LONGITUDINAL PERMEABILITY OF BEECH WOOD CONTAINING RED HEART WOOD. JOURNAL OF FOREST AND WOOD PRODUCTS (JFWP) (IRANIAN JOURNAL OF NATURAL RESOURCES), 63(1), 37-46. SID. https://sid.ir/paper/163045/en

Vancouver: Copy

GHOLAMIAN H., TAROMIAN A.. RADIAL VARIATION IN LONGITUDINAL PERMEABILITY OF BEECH WOOD CONTAINING RED HEART WOOD. JOURNAL OF FOREST AND WOOD PRODUCTS (JFWP) (IRANIAN JOURNAL OF NATURAL RESOURCES)[Internet]. 2010;63(1):37-46. Available from: https://sid.ir/paper/163045/en

IEEE: Copy

H. GHOLAMIAN, and A. TAROMIAN, “RADIAL VARIATION IN LONGITUDINAL PERMEABILITY OF BEECH WOOD CONTAINING RED HEART WOOD,” JOURNAL OF FOREST AND WOOD PRODUCTS (JFWP) (IRANIAN JOURNAL OF NATURAL RESOURCES), vol. 63, no. 1, pp. 37–46, 2010, [Online]. Available: https://sid.ir/paper/163045/en

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