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Moisture content measurement in Scots pine by microwave and X-rays
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Wood Science and Engineering.ORCID iD: 0000-0003-3298-1416
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.
2012 (English)In: Wood and Fiber Science, ISSN 0735-6161, Vol. 44, no 3, p. 280-285Article in journal (Refereed) Published
Abstract [en]

There is demand in the Swedish sawmill industry to improve the accuracy of moisture content measurements, both to obtain a better tool to run production and to ensure that the products meet customer expectations. In this study, 240 well-conditioned pieces of Scots pine (Pinus sylvestris), sorted into five different groups by visual inspection, were measured using microwaves and X-rays. Models to predict moisture content of wood were made by measurements of an additional 45 pieces of wood. Using only measured quantities from the microwave system, ie attenuation and phase shift, the root mean square error (RMSE) of the estimated moisture content was 1.00%. By adding total density from the X-ray measurements, RMSE of the estimated moisture content was lowered to 0.89%. Mean errors of the different wood groups varied from -0.65 to 0.18%.

Place, publisher, year, edition, pages
2012. Vol. 44, no 3, p. 280-285
National Category
Bio Materials Other Mechanical Engineering
Research subject
Wood Physics; Wood Technology
Identifiers
URN: urn:nbn:se:ltu:diva-12168Local ID: b41861f7-d32d-495d-9142-d55296fb2d9aOAI: oai:DiVA.org:ltu-12168DiVA, id: diva2:985118
Note
Validerad; 2012; 20120315 (tomvik)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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http://swst.metapress.com/content/120742/?k=Vikberg

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Vikberg, TommyOja, JohanAntti, Lena

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CiteExportLink to record
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