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A microwave method for on-line determination of bulk density and moisture content of particulate materials

Permanent URL:
http://handle.nal.usda.gov/10113/22543
File:
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Abstract:
A new method for simultaneous and independent on-line determination of bulk density and moisture content in particulate materials by measurements of the relative complex permittivity is proposed. The bulk density is determined, based on a representation in the complex plane of relative complex permittivity normalized to bulk density. For moisture content determination, a new density-independent function, exclusively dependent on the dielectric properties, is used. Results obtained from measurements on wheat over broad ranges of microwave frequencies, temperatures, densities, and moisture contents are presented.
Author(s):
Trabelsi, Samir , Kraszewski, Andrzej W. , Nelson, Stuart O.
Note:
Includes references
Source:
IEEE transactions on instrumentation and measurement 1998 Feb., v. 47, issue 1
Language:
English
Year:
1998
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Rights:
Works produced by employees of the U.S. Government as part of their official duties are not copyrighted within the U.S. The content of this document is not copyrighted.