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Derzakowski, Krzysztof
Warsaw University of Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (9/9 displayed)
- 2021Complex Permittivity of Mixtures of Sand With Aqueous NaCl Solutions Measured at 2.5 GHzcitations
- 2009Measurements of the complex permittivity and the complex permeability of low and medium loss isotropic and uniaxially anisotropic metamaterials at microwave frequenciescitations
- 2008Mesurements of thin resistive films employing split post dielectric resonator technique
- 2008Measurements of powders and liquids employing dielectric resonator technique
- 2004TE018 Dielectric-Resonator Technique for Precise Measurements of the Complex Permittivity of Lossy Liquids at Frequencies Below 1 GHz*citations
- 2004Magnetically tunable dielectric resonators operating at frequencies of about 2 GHzcitations
- 2002Split-post dielectric resonator for complex permittivity measurements at 20-25 GHzcitations
- 2002Bounds on permittivity calculations using the TE/sub 01/spl delta// dielectric resonatorcitations
- 2000Whispering Gallery Modes in Rutile Resonators at Millimeter Wave Frequenciescitations
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document
Complex Permittivity of Mixtures of Sand With Aqueous NaCl Solutions Measured at 2.5 GHz
Abstract
The complex permittivity of a quartz sand mixed with aqueous solutions of NaCl has been measured at frequency of 2.5 GHz employing dielectric ring resonator operating on TE 01δ mode. Measurements have been taken for various concentrations of NaCl up to saturation at the temperature about 22 C. It has been shown that both the real part and the imaginary part of permittivity of the moist sand are strongly related to the dielectric properties of aqueous solution of NaCl. The real part of the complex permittivity of moist sand decreases, while the imaginary part of the complex permittivity increases with the NaCl concentration