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Mass transfer properties of Acacia mangium plantation wood

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Manh, H. T., Redman, A., Van, C. P. and Ngoc, B. D. (2022) Mass transfer properties of Acacia mangium plantation wood. Maderas: Ciencia y Tecnologia, 24 .

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Article Link(s): http://dx.doi.org/10.4067/s0718-221x2022000100402

Publisher URL: https://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2022000100402

Abstract

This study investigated the mass transfer properties (permeability and mass diffusivity) in the longitudinal, radial and tangential directions of plantation-grown Acacia mangium in VinhPhuc province,northeast, Vietnam. These properties will be used to complement a conventional drying model in the future. Measurements of gas and liquid permeability were performed using a Porometer (POROLUXTM1000). Mass diffusivity was determined in a constant humidity and temperature chamber using PVC-CHA vaporimeters. Results showed the gas permeability was significant higher than liquid with the descending order of longitudinal, radial, and tangential directions. The permeability anisotropy ratios from the longitudinal to transverse directions of Acacia mangium were much lower than other published species. However, the obvious anisotropy ratios from radial to tangential for both permeability and diffusivity, is one of concerns as they can exacerbate defects during drying. Besides, the high permeability and diffusivity of Acaciamangium compared to some other species reported compounds its relatively fast drying rate.

Item Type:Article
Business groups:Horticulture and Forestry Science
Keywords:Acacia mangium; anisotropy; diffusivity; mass transfer; permeability.
Subjects:Forestry > Research. Experimentation
Forestry > Forestry machinery and engineering
Forestry > Exploitation and utilization
Deposited On:10 Mar 2022 06:51
Last Modified:16 Jun 2022 00:13

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