Perturbative analysis of anisotropic coaxial waveguides with small eccentricities via conformal transformation optics

JR Gonçalves, GS Rosa… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
This article describes two novel perturbation solutions for the electromagnetic analysis of
eccentric coaxial waveguides. Different techniques have been used for solving this type of …

A simple analysis for obtaining cutoff wavenumbers of an eccentric circular metallic waveguide in bipolar coordinate system

M Gholizadeh, M Baharian… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
This paper describes a simple analysis of the guided waves in an eccentric circular
waveguide based on the bipolar coordinate system (BCS). The separation of the variable …

Analytical solution of higher order modes of a dielectric-lined eccentric coaxial cable

M Gholizadeh, FH Kashani - International Journal of Microwave and …, 2021 - cambridge.org
This study provides an analytic method for the calculation of the cutoff frequencies and
waveguide modes of a partially filled eccentric coaxial cable. The method is based on the …

Microwave technique for monitoring fluid level in the horizontal petroleum carrying pipeline

YSA AlFaouri - 2014 - search.proquest.com
Crude-oil production process from a horizontal or near horizontal well often extracts a
multiphase mixture of oil, water and gas. Accurate measurement of the ratio of multi-phase …