[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 …

Frequency domain feature extraction investigation to increase the accuracy of an intelligent nondestructive system for volume fraction and regime determination of gas …

O Taylan, MA Sattari, I Elhachfi Essoussi, E Nazemi - Mathematics, 2021 - mdpi.com
In this research, a methodology consisting of an X-ray tube, one Pyrex-glass pipe, and two
NaI detectors was investigated to determine the type of flow regimes and volume fractions of …

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 …

Application of gamma attenuation technique and artificial intelligence to detect scale thickness in pipelines in which two-phase flows with different flow regimes and …

M Alamoudi, MA Sattari, M Balubaid, E Eftekhari-Zadeh… - Symmetry, 2021 - mdpi.com
Scale deposits can reduce equipment efficiency in the oil and petrochemical industry. The
gamma attenuation technique can be used as a non-invasive effective tool for detecting …

High‐efficiency balanced power amplifier using miniaturized harmonics suppressed coupler

M Hookari, S Roshani, S Roshani - International Journal of RF …, 2020 - Wiley Online Library
A novel balanced power amplifier (BPA) using compact coupler with rhombus resonators is
presented. In this design, a new method is presented to analyze the proposed rhombus …

Design of a high efficiency class-F power amplifier with large signal and small signal measurements

S Roshani, S Roshani - Measurement, 2020 - Elsevier
In this paper, a modified class-F power amplifier is designed and implemented with new
method at 900 MHz frequency. The meandered line compact microstrip resonant cell …

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 …