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The Use of CT-Scanning Technology in Wood Value-Chain Research and in Wood Industry: A State of The Art
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Wood Science and Engineering.ORCID iD: 0000-0003-4530-0536
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Wood Science and Engineering.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Wood Science and Engineering.ORCID iD: 0000-0002-4526-9391
2017 (English)In: Pro Ligno, ISSN 1841-4737, E-ISSN 2069-7430, Vol. 13, no 4, p. 533-539Article in journal (Refereed) Published
Abstract [en]

X-ray computed tomography (CT) is a powerful tool for the non-destructive  measurement  of  dynamic  processes in wood. After more than 25 years of research at Luleå University of Technology in the field of CT-scanning of wood material, the first industrial CT-scanners are now installed in sawmill production for the in-situ measurement of internal  log features to steer of the sawmill process with the help of this information.This  paper  provides  an  overview  of  the  potential  of  CT-scanning in wood-material  research  and  how  this data can be used for the modelling and simulation of the wood value chain. A database of CT-images of trees  is  used  to  create  a  log  model  including  the  outer  shape  of  the  logs  and  their  internal  knot  structure.  Simulation software is used to saw these virtual logs in different positions relative to the sawblade, and also for the crosscutting of the sawn timber to components. The output is dimensions and grades of sawn timber, volume yield as well as an economic result based on real economic conditions. A specially designed climate chamber  for  CT  studies  of  the  drying  of  sawn  timber  is  used  to  increase  the  knowledge  of  how  the  drying  affects the response from the sawn timber during seasoning.

Place, publisher, year, edition, pages
Romania: Pro Ligno Foundation , 2017. Vol. 13, no 4, p. 533-539
National Category
Wood Science Other Mechanical Engineering
Research subject
Wood Science and Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-67198OAI: oai:DiVA.org:ltu-67198DiVA, id: diva2:1172045
Conference
The 11th International Conference - Wood Science and Engineering in the Third Millennium, ICWSE 2017, Transilvania University, Brasov, Romania, 2-4 November, 2017
Note

2018-01-23 (rokbeg);Konferensartikel i tidskrift

Available from: 2018-01-09 Created: 2018-01-09 Last updated: 2018-01-23Bibliographically approved

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