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Titre du document / Document title

Determining moisture content in a broad range of sawdust from microwave transmission measurement using microstrip line

Auteur(s) / Author(s)

FANG LU ; OKAMURA Seichi ;

Résumé / Abstract

Using microstrip line for determining moisture content in a broad range for samples of sawdust is described in this paper. The determination was based on the measurements of the attenuation and phase shift of an electromagnetic wave transmitted through a layer of wet material that is placed onto the microstrip line. The measurements were made at two frequencies (6GHz and 9GHz) on sawdust samples of varying dry densities (0.13-0.20g/cm3) at room temperature. The changes of attenuation and phase shift at the two frequencies were used to obtain the density-independent calibration equation. Experimental results for sawdust in moisture range of 10 to 190% on dry basis are presented. The average error in moisture content determination was 4.65%.

Revue / Journal Title

Proceedings of SPIE, the International Society for Optical Engineering    ISSN  0277-786X   CODEN PSISDG 

Source / Source

2000, vol. 4129, pp. 82-87 [6 page(s) (article)]

Langue / Language

Anglais

Editeur / Publisher

Society of Photo-Optical Instrumentation Engineers, Bellingham, WA, ETATS-UNIS  (1981) (Revue)

Localisation / Location

INIST-CNRS, Cote INIST : 21760, 35400013481834.0090

Nº notice refdoc (ud4) : 17418582



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