Imaging of moisture content in wood using electrical capacitance tomography

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Voss , A , Seppänen , A , Siltanen , S , Salokangas , L & Baroudi , D 2016 , Imaging of moisture content in wood using electrical capacitance tomography . in J Eberhardsteiner , W Winter , A Fadai & M Pöll (eds) , WCTE 2016 e-book . TU Verlag, Wien , pp. 1620-1626 , World Conference on Timber Engineering (WCTE2016) , Vienna , Austria , 22/08/2016 .

Title: Imaging of moisture content in wood using electrical capacitance tomography
Author: Voss, Antti; Seppänen, Aku; Siltanen, S.; Salokangas, Lauri; Baroudi, Djebar
Other contributor: Eberhardsteiner, J.
Winter, W.
Fadai, A.
Pöll, M.
Contributor organization: Department of Mathematics and Statistics
Mikko Samuli Siltanen / Principal Investigator
Publisher: TU Verlag, Wien
Date: 2016
Language: eng
Belongs to series: WCTE 2016 e-book
ISBN: 9783903024359
Abstract: The current study investigates whether an electrical imaging modality, electrical capacitance tomography (ECT), could provide information on the moisture content in wood. In ECT, a set of electrodes are placed around the surface of the object, and based on electrical capacitance measurements from the surface, the spatial distribution of the electrical permittivity inside the object is reconstructed. In this experimental study, water is infiltrated in a wood sample for 7 days, and ECT measurements are sequentially collected during the absorption of water. The reconstructed ECT images show a constant increase of electrical permittivity in the location of water absorption. The results support the feasibility of ECT for imaging the water content in wood.
Subject: Capacitance
Capacitance measurement
Electric impedance tomography
Moisture control
Moisture determination
Nondestructive examination
Wood, Electrical Capacitance Tomography
Eurocode 5
Moisture monitoring
Non destructive testing
Timber bridge, Water absorption, Forests
4112 Forestry
214 Mechanical engineering
Peer reviewed: Yes
Rights: unspecified
Usage restriction: openAccess
Self-archived version: publishedVersion

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