5 Result(s)
within
Lars Hansson
Life Sciences
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Article
Open AccessMacroscopic X-ray computed tomography aided numerical modelling of moisture flow in sawn timber
Mathematical models are essential for the development of schedules for the air-circulation drying of timber in Swedish sawmills, but earlier models have been shown to be conservative leading to longer drying t...
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Article
Open AccessThe conditioning regime in industrial drying of Scots pine sawn timber studied by X-ray computed tomography: a case-study
Industrial drying of sawn timber is a process driven by a difference in moisture content (MC) between the core and the surface as moisture moves from the wet inner region towards the drier surface. After dryin...
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Article
Distribution of preservatives in thermally modified Scots pine and Norway spruce sapwood
Studying the impregnation and distribution of oil-based preservative in dried wood is complicated as wood is a nonhomogeneous, hygroscopic and porous material, and especially of anisotropic nature. However, th...
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Article
Evaluation of preservative distribution in thermally modified European aspen and birch boards using computed tomography and scanning electron microscopy
The aim of this experiment was to impregnate thermally modified wood using an easy and cost-effective method. Industrially processed thermally modified European aspen (Populus tremula L.) and birch (Betula pubesc...
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Article
Finite element modeling (FEM) simulation of interactions between wood and microwaves
The aim of this study was to use finite element modeling (FEM) as a tool to analyze microwave scattering in wood and to verify the model by measurements with a microwave scanner. A medical computed tomography ...
