Design of a compact planar transmission line for miniaturized rat-race coupler with harmonics suppression

A Lalbakhsh, G Mohamadpour, S Roshani, M Ami… - IEEE …, 2021 - ieeexplore.ieee.org
This paper presents an elegant yet straightforward design procedure for a compact rat-race
coupler (RRC) with an extended harmonic suppression. The coupler's conventional/4 …

[HTML][HTML] Tunable terahertz filter/antenna-sensor using graphene-based metamaterials

M Esfandiyari, A Lalbakhsh, S Jarchi, M Ghaffari-Miab… - Materials & Design, 2022 - Elsevier
In this paper, a novel tunable graphene-based bandstop filter/antenna-sensor is presented.
This structure is an integrated module that can be used to combine filtering and high-gain …

Application of neural network and time-domain feature extraction techniques for determining volumetric percentages and the type of two phase flow regimes …

AK Alanazi, SM Alizadeh, KS Nurgalieva, S Nesic… - Applied Sciences, 2022 - mdpi.com
One of the factors that significantly affects the efficiency of oil and gas industry equipment is
the scales formed in the pipelines. In this innovative, non-invasive system, the inclusion of a …

Extraction of time-domain characteristics and selection of effective features using correlation analysis to increase the accuracy of petroleum fluid monitoring systems

AM Mayet, SM Alizadeh, KS Nurgalieva, R Hanus… - Energies, 2022 - mdpi.com
In the current paper, a novel technique is represented to control the liquid petrochemical and
petroleum products passing through a transmitting pipe. A simulation setup, including an X …

Application of wavelet feature extraction and artificial neural networks for improving the performance of gas–liquid two-phase flow meters used in oil and …

S Hosseini, O Taylan, M Abusurrah, T Akilan, E Nazemi… - Polymers, 2021 - mdpi.com
Measuring fluid characteristics is of high importance in various industries such as the
polymer, petroleum, and petrochemical industries, etc. Flow regime classification and void …

A novel meander bowtie-shaped antenna with multi-resonant and rejection bands for modern 5G communications

YS Faouri, S Ahmad, NO Parchin, CH See… - Electronics, 2022 - mdpi.com
To support various fifth generation (5G) wireless applications, a small, printed bowtie-
shaped microstrip antenna with meandered arms is reported in this article. Because it spans …

3D metamaterial ultra-wideband absorber for curved surface

M Norouzi, S Jarchi, M Ghaffari-Miab, M Esfandiari… - Scientific Reports, 2023 - nature.com
This paper proposes a three-dimensional metamaterial absorber based on a resistive film
patch array to develop a low-cost, lightweight absorber for curved surfaces. An excellent …

Applications of discrete wavelet transform for feature extraction to increase the accuracy of monitoring systems of liquid petroleum products

M Balubaid, MA Sattari, O Taylan, AA Bakhsh… - Mathematics, 2021 - mdpi.com
This paper presents a methodology to monitor the liquid petroleum products which pass
through transmission pipes. A simulation setup consisting of an X-ray tube, a detector, and a …

Applying data mining and artificial intelligence techniques for high precision measuring of the two-phase flow's characteristics independent of the pipe's scale layer

AM Mayet, AS Salama, SM Alizadeh, S Nesic… - Electronics, 2022 - mdpi.com
Scale formation inside oil and gas pipelines is always one of the main threats to the
efficiency of equipment and their depreciation. In this study, an artificial intelligence method …

Proposing a high-precision petroleum pipeline monitoring system for identifying the type and amount of oil products using extraction of frequency characteristics and a …

AM Mayet, KS Nurgalieva, AA Al-Qahtani… - Mathematics, 2022 - mdpi.com
Setting up pipelines in the oil industry is very costly and time consuming. For this reason, a
pipe is usually used to transport various petroleum products, so it is very important to use an …