Dielectric properties of wood for improved internal imaging

W. S. Holmes, SC Mukhopadhyay, S. G. Riley

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

This paper describes the measurement of the dielectric properties of the typical log features of Heartwood, Sapwood and internal Branches. Measurements were made using the waveguide cell technique covering the frequency range of 2.3 to 6.5GHz. This has shown that for the desired contrast between heartwood and Sapwood to be achieved the imaging system must operate above 4GHz. Additional work was undertaken to establish a method to correct these measurements for variations in basic density and Earlywood\Latewood banding, giving rise to a potential moisture content estimation error of 0.63%. This will lead to improved spatial location of features of interest.
Original languageEnglish
Title of host publicationAdvancement in sensing technology
Subtitle of host publicationnew developments and practical applications
EditorsSubhas Chandra Mukhopadhyay, Krishanthi P. Jayasundera, Anton Fuchs
Place of PublicationBerlin
PublisherSpringer, Springer Nature
Pages93-104
Number of pages12
ISBN (Print)9783642321801
DOIs
Publication statusPublished - 2013
Externally publishedYes

Publication series

NameSmart Sensors, Measurement and Instrumentation
PublisherSpringer
Volume1
ISSN (Print)2194-8402

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  • Cite this

    Holmes, W. S., Mukhopadhyay, SC., & Riley, S. G. (2013). Dielectric properties of wood for improved internal imaging. In S. C. Mukhopadhyay, K. P. Jayasundera, & A. Fuchs (Eds.), Advancement in sensing technology: new developments and practical applications (pp. 93-104). (Smart Sensors, Measurement and Instrumentation; Vol. 1). Berlin: Springer, Springer Nature. https://doi.org/10.1007/978-3-642-32180-1_6