Title :
Use of grain and seed dielectric properties for moisture measurement
Author :
Nelson, Stuart O. ; Trabelsi, Samir
Author_Institution :
Agric. Res. Service, U.S. Dept. of Agric., Athens, GA, USA
Abstract :
The importance of moisture measurement in grain and seed is discussed, and a brief history of the development of moisture sensing instruments, based on sensing electrical properties of these materials, is presented. Data are presented graphically on the permittivities or dielectric properties of grain and seed showing their variation with frequency, moisture content, temperature, and bulk density, and references are cited for further information. More recent developments on microwave measurements for moisture content and bulk density sensing are briefly described, and numerous studies are cited providing sources of information on these techniques.
Keywords :
agricultural products; electric sensing devices; moisture; moisture measurement; permittivity measurement; bulk density sensing; grain dielectric properties; microwave measurements; moisture content; moisture measurement; moisture sensing instruments; permittivities; seed dielectric properties; Dielectrics; Microwave measurements; Microwave theory and techniques; Moisture; Moisture measurement; Sensors; Temperature measurement;
Conference_Titel :
Southeastcon, 2011 Proceedings of IEEE
Conference_Location :
Nashville, TN
Print_ISBN :
978-1-61284-739-9
DOI :
10.1109/SECON.2011.5752933