Determination of distilled water dielectric constant by 2D-FDTD method at X-band frequencies

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URI: https://hdl.handle.net/10902/36341
ISBN: 979-8-3503-0950-8
ISBN: 979-8-3503-0951-5
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Autoría
Talmoudi, Omaima; Ait Benali, Lahcen; Terhzaz, Jaouad; Tribak, Abdelwahed; Fernández Ibáñez, TomásAutoridad Unican
Fecha
2024
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© 2024 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Publicado en
4th International Conference on Innovative Research in Applied Science, Engineering and Technology (IRASET), Fez, Morocco, 2024, 598-602
Editorial
Institute of Electrical and Electronics Engineers, Inc.
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Palabras clave
Characterization
Dielectric constant
Liquid material
Microwave
S-parameters
Waveguide
Resumen/Abstract
This paper presents a new iterative method for estimating the dielectric constant of distilled water using a WR90 shorted rectangular waveguide in the X-band with a hole that facilitates the insertion of water into the waterproof waveguide. The SII parameter at the reference plane as a function of the dielectric constant of each layer is calculated by applying the two-dimensional finite-difference time-domain (2DFDTD) method to the wave equation. The NeIder-Mead algorithm is then applied to estimate the dielectric constant. This is done by comparing the results of SII parameters. This method has been validated on two cases of monolayer and bilayer, such as air and air-plexiglass and plexiglass-distilled water.
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