Recent advances in photonic crystal based all-optical analog to digital converter: a review
F Parandin, M Jomour, R Kamarian… - Journal of Optical …, 2023 - degruyter.com
An optical analog to digital converter (OADC) comprises two main components: a nonlinear
demultiplexer and an optical encoder. The nonlinear multiplexer converts the continuous …
demultiplexer and an optical encoder. The nonlinear multiplexer converts the continuous …
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 …
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
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 …
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 …
Measuring fluid characteristics is of high importance in various industries such as the
polymer, petroleum, and petrochemical industries, etc. Flow regime classification and void …
polymer, petroleum, and petrochemical industries, etc. Flow regime classification and void …
3D metamaterial ultra-wideband absorber for curved surface
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 …
patch array to develop a low-cost, lightweight absorber for curved surfaces. An excellent …
Investigations of all-optical gates based on linear photonic crystals using the PSK technique and beam interference effect
A Askarian, F Parandin - Electromagnetics, 2023 - Taylor & Francis
In this paper, all optical OR, AND, NOR and NAND gates based on linear photonic crystals
(LPhCs) have been numerically designed and simulated by the plane wave expansion …
(LPhCs) have been numerically designed and simulated by the plane wave expansion …
Frequency domain feature extraction investigation to increase the accuracy of an intelligent nondestructive system for volume fraction and regime determination of gas …
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 …
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
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 …
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 …
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 …
gamma attenuation technique can be used as a non-invasive effective tool for detecting …
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
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 …
efficiency of equipment and their depreciation. In this study, an artificial intelligence method …