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Title: Permeability of Parkia gigantocarpa as affected by wood anatomy
Keywords: Air permeability
Liquid permeability
Issue Date: 2021
Publisher: North Carolina State University, College of Natural Resources, Department of Forest Biomaterials
Citation: BARAUNA, E. E. P. et al. Permeability of Parkia gigantocarpa as affected by wood anatomy. BioResources, [S.l.], v. 16, n. 3, p. 4924-4933, 2021.
Abstract: This study evaluated Parkia gigantocarpa wood from the Amazon rainforest for its permeability to air and liquid in the longitudinal direction. The influence of anatomical characteristics on the permeability of wood was characterized. Three trees were collected in the State of Pará, Brazil. Samples were converted into specimens and subjected to permeability tests and anatomical characterization. Permeability was obtained in the laboratory, and the results were compared with the permeability data estimated by a longitudinal flow model for hardwoods. The air permeability of wood was 140.2 x 10-9 m3.[m.(N.m-2).s]-1 liquid permeability was 3.28 x 10-9 m3.[m.(N.m-2).s]-1. The fiber length and thickness of the cell wall had a direct and positive relationship with the permeability, whereas fiber width presented an inverse relationship with permeability. The vessel frequency and diameter did not influence the permeability of wood from the heartwood of P. gigantocarpa that presented high permeability and potential for easy wood drying and treatment.
Appears in Collections:DCF - Artigos publicados em periódicos

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