{"title":"Frequency domain reflectometry in the determination of dielectric constant of bentonite","authors":"I. F. Dos Anjos, R. Freire, S. Barbin","doi":"10.1109/IMOC.2011.6169303","DOIUrl":null,"url":null,"abstract":"This work presents the determination of the humidity and the dielectric constant of bentonite using a probe based on the frequency domain reflectometry (FDR) method. The basic principle of the probe used in this study is the measurement of the refractive index of the soil √ε at 100 MHz to allow the determination of the humidity through a known relation between these quantities. The value of 0.99 for the correlation coefficient obtained in this study demonstrated an accurate relationship between the humidity and the dielectric constant of bentonite. Also in this study the humidity of the bentonite using the FDR method was compared to the values obtained using the calcium carbide method.","PeriodicalId":179351,"journal":{"name":"2011 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference (IMOC 2011)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2011-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2011 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference (IMOC 2011)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IMOC.2011.6169303","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
This work presents the determination of the humidity and the dielectric constant of bentonite using a probe based on the frequency domain reflectometry (FDR) method. The basic principle of the probe used in this study is the measurement of the refractive index of the soil √ε at 100 MHz to allow the determination of the humidity through a known relation between these quantities. The value of 0.99 for the correlation coefficient obtained in this study demonstrated an accurate relationship between the humidity and the dielectric constant of bentonite. Also in this study the humidity of the bentonite using the FDR method was compared to the values obtained using the calcium carbide method.
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