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Water uptake of hardwoods
Växjö University, Faculty of Mathematics/Science/Technology, School of Technology and Design.
Växjö University, Faculty of Mathematics/Science/Technology, School of Technology and Design.
2006 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

This study investigate water uptake in six different species of hardwood in tangential and radial section. Alder (Alnus glutinosa) and beech (Fagus sylvatika) represent semi-diffuse-porous hardwoods. Aspen (Popolus tremula) and birch (Betula pubescens) represent diffuse-porous group; oak (Quercus robur) and ash (Fraxinus excelsior) the ring-porous hardwoods. Spruce (Picea abies) was used as a reference sample.

Significantly higher water uptake was observed in the diffuse-porous and the semi-diffuse-porous group. Water uptake varied among the species, nevertheless tangential section was more permeable in general. Any impact of density or annual rings width on water uptake was observed. Correlation between ratio of earlywood and latewood and water uptake in dependence on hardwood group was found out. Ring-porous species had low rate of earlywood and low water uptake, whereas diffuse-porous and semi-diffuse-porous hardwoods had high rate of earlywood and high water uptake. Relation between water uptake and microstructure of wood was observed.

Place, publisher, year, edition, pages
2006. , p. 13
Series
Reports from Växjö University: Mathematics, natural sciences and technology, ISSN 1404-045X ; 083/2006
Keywords [en]
annual ring orientation, floating test, permeability
National Category
Wood Science
Identifiers
URN: urn:nbn:se:vxu:diva-960OAI: oai:DiVA.org:vxu-960DiVA, id: diva2:207289
Uppsok
lantbruk/veterinärmed./skogl. vetenskap
Supervisors
Examiners
Available from: 2006-11-03 Created: 2006-11-03 Last updated: 2010-03-10Bibliographically approved

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf