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Artykuły w czasopismach na temat „Shielding wires”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Golovko, V., O. Kotelchuk, S. Naumeiko, and Andrey A. Golyakevich. "Development of Self-Shielded Flux-Cored Wires for Arc Welding of Low-Alloy Steels." Defect and Diffusion Forum 416 (May 27, 2022): 103–14. http://dx.doi.org/10.4028/p-58v9g5.

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Current aspects of the developing of modern self-shielding flux-cored wires composition for arc welding of low-alloyed steels are considered. Advantages and disadvantages of flux-cored wires of carbonate-fluorite, oxide and oxide-fluoride types of are shown in comparison. The effectiveness of gas shielding of molten metal at welding with self-shielding flux-cored wires of carbonate-fluorite type is analyzed considering the thermal properties of their cores. It is shown that to improve reliability of gas shielding at welding using the wires of this type it is important not only to ensure genera

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2

Khodadadi, A., M. H. Nazari, and S. H. Hosseinian. "Designing an Optimal Lightning Protection Scheme for Substations Using Shielding Wires." Engineering, Technology & Applied Science Research 7, no. 3 (2017): 1595–99. http://dx.doi.org/10.48084/etasr.1175.

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An optimal lightning protection scheme for a substation using shielding wires is investigated in this paper through computer software analysis. An economic approach is utilized by choosing a reasonable trade-off between protection, the number of shielding wires and the heights of them from the ground. This study is initially applied to a simple two-wire system and then extended to a sample substation. The solution for each problem is executed in MATLAB and 3-D realization is shown.

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Khodadadi, A., M. H. Nazari, and S. H. Hosseinian. "Designing an Optimal Lightning Protection Scheme for Substations Using Shielding Wires." Engineering, Technology & Applied Science Research 7, no. 3 (2017): 1595–99. https://doi.org/10.5281/zenodo.809226.

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An optimal lightning protection scheme for a substation using shielding wires is investigated in this paper through computer software analysis. An economic approach is utilized by choosing a reasonable trade-off between protection, the number of shielding wires and the heights of them from the ground. This study is initially applied to a simple two-wire system and then extended to a sample substation. The solution for each problem is executed in MATLAB and 3-D realization is shown.

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4

Mihailescu, Dănuţ, Octavian Frincu, and Marius Corneliu Gheonea. "The Comparative Analysis of Gas Emissions during Mechanized MAG Welding Using Cored Wires." Advanced Materials Research 814 (September 2013): 82–86. http://dx.doi.org/10.4028/www.scientific.net/amr.814.82.

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The use of cored wire - shielding gas (gas mixture) pair, during mechanized Metal Active Gas - MAG welding, leads to the formation of gas emissions (CO2, CO, NOx, NO, O3 etc) which is harmful for the welder’s health. The paper addresses the experimental method applied to establish the gas emissions developed during MAG welding when rutile cored wires (standard and low fume emissions) and metal powder cored wires (standard and low fume emissions) are used. Carbon dioxide and the shielding gas mixture are investigated, too. Four types of cored wires were comparatively analysed, when three wire s

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5

Mihailescu, Dănuţ, Octavian Frincu, and Marius Corneliu Gheonea. "The Comparative Analysis of the Concentration of Microparticles during Mechanized MAG Welding Using Cored Wires." Advanced Materials Research 814 (September 2013): 76–81. http://dx.doi.org/10.4028/www.scientific.net/amr.814.76.

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Use of cored wire - shielding gas (gas mixture) pair, during mechanized MAG welding, causes the microparticles formation which is harmful for the welder’s health. The paper presents the experimental method for determining the concentration of the microparticles generated during MAG welding when rutile cored wires (standard and low fume emission) and metal powder cored wires (standard and low fume emission) are used. Carbon dioxide and the shielding gas mixture are investigated, too. Four types of cored wires were comparatively analysed, when three wire speed values were applied. The research o

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6

Hu, Jianping, Ting Zhu, Jianlin Hu, Zhen Fang, and Ruihe Zhang. "Study on the Lightning Protection Performance for a 110 kV Non-Shield-Wired Overhead Line with Anti-Thunder and Anti-Icing Composite Insulators." Energies 16, no. 2 (2023): 815. http://dx.doi.org/10.3390/en16020815.

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Due to micro landforms and climate, the 110 kV transmission lines crossing the mountain areas are exposed to severe icing conditions for both their high voltage (HV) conductors and shield wires during the winter. Ice accumulation on the shield wire causes excessive sag, which leads to a reduced clearance between earth and HV wires, and could eventually result in tripping of the line due to phase-to-ground flashover. Due to the lack of effective de-icing techniques for the shield wires, removing them completely from the existing overhead line (OHL) structure becomes a reasonable solution to pre

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7

Okada, T., K. Takahata, S. Nishijima, S. Nakagawa, and M. Yoshiwa. "Magnetic shielding with superconducting wires." IEEE Transactions on Magnetics 24, no. 2 (1988): 895–98. http://dx.doi.org/10.1109/20.11370.

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8

Filar, Krzysztof, Artur Kawecki, Andrzej Jacek Morawski, et al. "Preparation Process of In Situ MgB2 Material with Ex Situ MgB2 Barrier to Obtain Long Sections of Superconducting Multicore Wires." Materials 18, no. 1 (2024): 126. https://doi.org/10.3390/ma18010126.

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In the present study, our emphasis was directed towards the fabrication process of long multi-core superconducting wires, each spanning several hundred meters. These wires feature an in situ MgB2 core, an ex situ MgB2 barrier, and a copper shield. The cost-effectiveness of these constituent materials, coupled with a judicious arrangement of internal components, facilitates the utilization of an economical shielding material for the resulting wire. Our ongoing efforts have successfully yielded several hundred-meter-long wire sections possessing favorable superconducting characteristics, making

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9

Kuznetsov, B. I., A. S. Kutsenko, T. B. Nikitina, I. V. Bovdui, V. V. Kolomiets, and B. B. Kobylianskyi. "Method for design of two-level system of active shielding of power frequency magnetic field based on a quasi-static model." Electrical Engineering & Electromechanics, no. 2 (February 24, 2024): 31–39. http://dx.doi.org/10.20998/2074-272x.2024.2.05.

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Aim. Development of method for design a two-level active shielding system for an industrial frequency magnetic field based on a quasi-static model of a magnetic field generated by power line wires and compensating windings of an active shielding system, including coarse open and precise closed control. Methodology. At the first level rough control of the magnetic field in open-loop form is carried out based on a quasi-static model of a magnetic field generated by power line wires and compensating windings of an active shielding system. This design calculated based on the finite element calcula

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10

Kuznetsov, B. I., T. B. Nikitina, I. V. Bovdui, O. V. Voloshko, V. V. Kolomiets, and B. B. Kobylianskiy. "Method of adjustment of three circuit system of active shielding of magnetic field in multi-storey buildings from overhead power lines with wires triangular arrangement." Electrical Engineering & Electromechanics, no. 1 (February 17, 2022): 21–28. http://dx.doi.org/10.20998/2074-272x.2022.1.03.

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Aim. For the first time the method of adjustment of three circuit system of the active shielding of the magnetic field based on experimentally determined space-time characteristics to increase the shielding factor in a multi-storey building located near a single-circuit overhead transmission lines with a wires triangular arrangement was developed. Methodology. When synthesizing the laboratory model of system of active shielding the coordinates of spatial arrangement and of three shielding coils, the currents in shielding coils and resulting magnetic flux density value in the shielding space we

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11

Nishijima, S., K. Takahata, I. Miyamoto, T. Okada, S. Nakagawa, and M. Yoshiwa. "Magnetic shielding network with superconducting wires." IEEE Transactions on Magnetics 23, no. 2 (1987): 611–14. http://dx.doi.org/10.1109/tmag.1987.1064959.

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12

Kuznetsov, B. I., A. S. Kutsenko, T. B. Nikitina, I. V. Bovdui, V. V. Kolomiets, and B. B. Kobylianskyi. "Method for design of two-level system of active shielding of power frequency magnetic field based on a quasi-static model." Electrical Engineering and Electromechanics 2024, no. 2 (2024): 31–39. https://doi.org/10.20998/2074-272X.2024.2.05.

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<strong><em>Aim</em></strong><em>. </em><em>Development of method for design a two-level active shielding system for an industrial frequency magnetic field based on a quasi-static model of a magnetic field generated by power line wires and compensating windings of an active shielding system, including coarse open and precise closed control. <strong>Methodology.</strong> At the first level </em><em>rough </em><em>control of the magnetic field in open-loop form is carried out based on a quasi-static model of a magnetic field generated by power line wires and compensating

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13

Kuznetsov, B. I., T. B. Nikitina, I. V. Bovdui, O. V. Voloshko, V. V. Kolomiets, and B. B. Kobylianskyi. "Synthesis of an effective system of active shielding of the magnetic field of a power transmission line with a horizontal arrangement of wires using a single compensation winding." Electrical Engineering & Electromechanics, no. 6 (November 7, 2022): 15–21. http://dx.doi.org/10.20998/2074-272x.2022.6.03.

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Aim. The theoretical and experimental studies of the effectiveness of reducing the level of the magnetic field in two-storey cottage of the old building of a power transmission line with a horizontal arrangement of wires by means of active shielding with single compensation winding. Methodology Spatial location coordinates of the compensating winding and the current in the shielding winding were determined during the design of systems of active screening based on solution of the vector game, in whith the vector payoffs is calculated based on Biot-Savart's law. The solution of this vector game

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14

Hewett, D. P., and I. J. Hewitt. "Homogenized boundary conditions and resonance effects in Faraday cages." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 472, no. 2189 (2016): 20160062. http://dx.doi.org/10.1098/rspa.2016.0062.

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We present a mathematical study of two-dimensional electrostatic and electromagnetic shielding by a cage of conducting wires (the so-called ‘Faraday cage effect’). Taking the limit as the number of wires in the cage tends to infinity, we use the asymptotic method of multiple scales to derive continuum models for the shielding, involving homogenized boundary conditions on an effective cage boundary. We show how the resulting models depend on key cage parameters such as the size and shape of the wires, and, in the electromagnetic case, on the frequency and polarization of the incident field. In

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15

B., I. Kuznetsov, B. Nikitina T., V. Bovdui I., V. Voloshko O., V. Kolomiets V., and B. Kobylianskiy B. "Method of adjustment of three circuit system of active shielding of magnetic field in multi-storey buildings from overhead power lines with wires triangular arrangement." Electrical Engineering & Electromechanics, no. 1 (February 17, 2022): 21–28. https://doi.org/10.20998/2074-272X.2022.1.03.

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<strong><em>Aim. </em></strong><em>For the first time the method of adjustment of three circuit system of the active shielding of the magnetic field based on</em> <em>experimentally </em><em>determined space-time characteristics to increase the shielding factor in a multi-storey building located near a single-circuit overhead transmission lines with a wires triangular arrangement was developed. <strong>Methodology</strong>. When synthesizing the laboratory model of system of active shielding the coordinates of spatial arrangement and of three shielding coils, the currents i

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16

Zhang, Haiyang, Lirong Xie, Yufeng Wang, et al. "Optimization Analysis of Electric Field Shielding in Multi-Target Areas Using Transmission Lines Based on AHP-Improved PSO." Journal of Electromagnetic Engineering and Science 24, no. 6 (2024): 653–65. https://doi.org/10.26866/jees.2024.6.r.271.

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To address the optimization problem of electric field intensity in multi-target areas under transmission lines, this work suggests combining the enhanced improved particle swarm optimization (IPSO) with the analytical hierarchy process (AHP). First, using finite element simulation software, a transmission line shielding model was created. Next, the number, erection height, and phase spacing of the shielding lines were studied in relation to electric field strength. Drawing on these results, field strength shielding in many target locations was optimized using the AHP-IPSO algorithm. Research h

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17

Mihailescu, Danuţ, Marius Corneliu Gheonea, and Elena Scutelnicu. "Investigation on CO and Microparticles Concentrations Produced in MAG-M Welding Process." Applied Mechanics and Materials 809-810 (November 2015): 455–60. http://dx.doi.org/10.4028/www.scientific.net/amm.809-810.455.

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It is well known that CO and microparticles generated during GMAW welding processes can affect the welder's health and the environment quality and should be avoided. The main goal of the research was to quantitatively assess the concentrations of CO and microparticules resulting through melted wire - shielding gas - welding pool interaction, specific to fusion welding process, in particular MAG-M (Metal Active Gas with Corgon shielding gas)) process. The concentrations of microparticles and emission of CO developed by several combinations of filler metal and shielding gas, such as ordinary sol

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18

B., I. Kuznetsov, B. Nikitina T., V. Bovdui I., V. Voloshko O., V. Kolomiets V., and B. Kobylianskyi B. "Synthesis of an effective system of active shielding of the magnetic field of a power transmission line with a horizontal arrangement of wires using a single compensation winding." Electrical Engineering & Electromechanics, no. 6 (November 6, 2022): 15–21. https://doi.org/10.20998/2074-272X.2022.6.03.

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<strong><em>Aim</em></strong><em>. The t</em><em>heoretical and experimental studies of the effectiveness of reducing the level of the magnetic field in two-storey cottage of the old building of a power transmission line with a horizontal arrangement of wires by means of active shielding with single compensation winding. <strong>Methodology</strong> Spatial location coordinates of the compensating winding and the current in the shielding winding were determined during the design of systems of active screening based on solution of the vector game, in whith the vector payoffs is calcul

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19

Kuznetsov, Boris, Aleksandr Kutsenko, Tatiana Nikitina, Ihor Bovdui, Kostiantyn Chunikhin, and Pavel Dobrodeyev. "Hybrid Active-Passive Shielding of Magnetic Field of Overhead Power Lines with Triangular Phase Conductors Arrangements." Problems of the Regional Energetics, no. 3(59) (August 2023): 1–16. http://dx.doi.org/10.52254/1857-0070.2023.3-59.01.

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The aim of the work is to design a robust hybrid active-passive magnetic field shielding system created by overhead power lines with a triangular arrangement of phase wires, designed to increase the shielding efficiency of the initial magnetic field in residential premises to the level of sanitary standards and reduce the system's sensitivity to changes in system parameters. To achieve this goal, the following tasks were solved: the structure of a hybrid system of active-passive shielding was developed, and the synthesis of a system consisting of a double-circuit active and multi-circuit passi

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20

Meinhold, Mitchell, Caprice Gray, Jeffery Delisio, et al. "A Wirebonding Instrument for Insulated and Coaxial Wires." Journal of Microelectronics and Electronic Packaging 17, no. 2 (2020): 52–58. http://dx.doi.org/10.4071/imaps.1115585.

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A tool has been developed that supports a novel microelectronic integration paradigm whereby interconnects between components are directly established by means of microcoax wire bonding. A near-term use case of the tool is to facilitate rapid prototyping of high-bandwidth systems. When further matured, it will be able to rapidly integrate complex systems with hundreds or thousands of interconnects with minimal design time. Automatic stripping and bonding of coax wires having overall diameters between 50 and 100 μm present an array of process challenges that pose interesting demands on the mate

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21

İLKAN, ÖZKAN. "Investigation of the technical and physical properties of metal composite 1×1 rib knitted fabrics." Industria Textila 71, no. 01 (2020): 41–49. http://dx.doi.org/10.35530/it.071.01.1693.

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In this study, it was aimed to determine electromagnetic shielding effectiveness, antibacterial activity, surface resistivityand bending rigidity properties of 1×1 rib knitted fabrics. For this purpose, copper (Cu), stainless steel (SS) and silver(Ag) wires were commingled with two nylon filaments to produce metal composite yarns. 1×1 rib fabrics were producedby these composite yarns. Electromagnetic shielding effectiveness (EMSE), antibacterial activity, surface resistivity andbending rigidity of the composite knits were measured. Electromagnetic shielding measurements of samples wereconducte

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22

Andreev, V. A., A. K. Bulkhin, B. V. Popov, and V. B. Popov. "Comparative analysis of shielding characteristics of signal-blocking cables for railway transport." Radio industry (Russia) 30, no. 3 (2020): 50–56. http://dx.doi.org/10.21778/2413-9599-2020-30-3-50-56.

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The objective of this article is to compare the shielding characteristics of the most applicable signal-blocking cables designs. In this paper, based on calculations and experimental studies, a comparative analysis of the shielding characteristics of cables with a solid pressed screen and a screen consisting of an aluminum-polyethylene tape and a layer of aluminum wires is performed. Special attention is paid to the characteristics of the influence of external electric fields. Measurements of the ideal protective action coefficient of signal-blocking cable samples were made, and an estimated c

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23

Hu, Qingxian, Lei Zhang, Juan Pu, and Caichen Zhu. "Effect of shielding gas flow rate on arc behaviors in GMAW with single cable-typed wire." International Journal of Modern Physics B 34, no. 01n03 (2019): 2040059. http://dx.doi.org/10.1142/s0217979220400597.

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A three-dimensional numerical model of arc in gas metal arc welding (GMAW) with single cable-typed wire was established based on the theory of arc physics. The influences of different shielding gas flow rates on the features of temperature field, velocity field and pressure field were investigated. The results showed that the maximum velocity of arc plasma along radial direction and the arc pressure on the surface of workpieces were increased obviously with the increase of the shielding gas flow rate, while the arc temperature was changed little. This phenomenon was mainly attributed to the in

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24

Korzhyk, V., O. Sitko, D. Strohonov, et al. "FEATURES OF PLASMA-ARC SPRAYING OF CURRENT-CONDUCTING WIRES MADE OF MATERIALS WITH INCREASED AFFINITY TO OXYGEN." Scientific heritage, no. 127 (December 26, 2023): 60–64. https://doi.org/10.5281/zenodo.10432191.

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The article is devoted to determining the propensity for oxygen saturation of materials with increased affinityfor oxygen during their plasma-arc spraying in the case of using the process of spraying moving anode wires. Itwas established that the selected scheme of spraying with a moving wire-anode with plasma compression by aflow of accompanying shielding gas (air) ensures reduced oxidation of the sprayed electrode material. To detectsuch an effect during plasma-arc spraying of electrode wires from materials containing elements with increasedaffinity for oxygen, the oxygen content in the spra

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Meinhold, Mitchell, Caprice Gray, Jeffery Delisio, et al. "A Wirebonding Instrument for Insulated and Coaxial Wires." International Symposium on Microelectronics 2019, no. 1 (2019): 000503–8. http://dx.doi.org/10.4071/2380-4505-2019.1.000503.

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Abstract A tool has been developed that supports a novel microelectronic integration paradigm whereby interconnects between components are directly established by way of micro-coax wirebonds. A near term use-case of the tool is to facilitate rapid prototyping of high-bandwidth systems. When further matured, it will lead to the ability to rapidly integrate complex systems with hundreds or thousands of interconnects with minimal design time. Automatic stripping and bonding of coax wires having overall diameters between 50 to 150μm presents an array of process challenges that pose interesting dem

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26

Wegrzyn, J. "Self‐shielding, non‐fluoride containing, flux‐cored wires." Welding International 10, no. 5 (1996): 341–45. http://dx.doi.org/10.1080/09507119609549007.

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Kuznetsov, B. I., T. B. Nikitina, I. V. Bovdui, K. V. Chunikhin, V. V. Kolomiets, and B. B. Kobylianskyi. "The method for design of combined electromagnetic shield for overhead power lines magnetic field." Electrical Engineering & Electromechanics, no. 3 (April 28, 2024): 22–30. http://dx.doi.org/10.20998/2074-272x.2024.3.03.

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Aim. Development of the method of designing a combined electromagnetic shield, consisting of active and passive parts, to improve the effectiveness of reduction of industrial frequency magnetic field created by two-circuit overhead power lines in residential buildings. Methodology. The problem of design of combined electromagnetic shield including robust system of active shielding and electromagnetic passive shield of initial magnetic field solved based on of the multi-criteria two-player antagonistic game. The game payoff vector calculated based on the finite element calculations system COMSO

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28

Bovdui, Ihor. "Comparison of the Combined Shielding Effectiveness Based on Experimental Studies of Overhead Power Lines Magnetic Field 3D Model." Problems of the Regional Energetics, no. 2(66) (May 2025): 47–61. https://doi.org/10.52254/1857-0070.2025.2-66.05.

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The aim of the work is an experimental study of the efficiency of combined shielding of the magnetic field generated by transmission lines (HVPL) with single-circuit and triangular arrangements of wires and double-circuit transmission lines with a "Barrel" type of wire arrangement using an active shielding system and passive shields made in the form of solid, or multi-loop, shields. To achieve this goal, the structure of combined shields was determined, which consist of a double-loop active shield and solid or multi-loop shields. The developed combined shields provide increased efficiency in r

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Kuznetsov, B. I., A. S. Kutsenko, T. B. Nikitina, I. V. Bovdui, K. V. Chunikhin, and O. V. Voloshko. "Reducing the Magnetic Field Level of Single-Circuit Overhead Power Lines in Multi-Storey Buildings by Means of Active and Passive Shielding." Problems of the Regional Energetics, no. 3(63) (July 2024): 1–13. http://dx.doi.org/10.52254/1857-0070.2024.3-63.01.

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The purpose of the work is a theoretical and experimental study of the effectiveness of combined shielding, including active and passive shielding using a continuous screen, of the magnetic field generated by single-circuit power lines with a triangular arrangement of wires inside multi-storey buildings. To achieve this goal, the structure of the combined screen has been determined, which consists of a double-circuit active and a U-shaped solid passive part and is characterized by increased efficiency in reducing the level of the industrial frequency magnetic field. Designing a combined screen

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Araki, Noritoshi, Yasutomo Ichiyama, Ryo Oishi, Teruo Haibara, and Takashi Yamada. "Effect of Process Parameters on Free Air Ball Integrity in Copper and Palladium-Coated Copper Bonding Wires." Journal of Microelectronics and Electronic Packaging 12, no. 2 (2015): 98–103. http://dx.doi.org/10.4071/imaps.460.

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The free air ball (FAB) formation processes of fine diameter Cu wires were observed, and the effects of process parameters were studied on the basis of high-speed camera observation. It was revealed that the FAB formation process is characterized by preheating before melting, melting that accompanies ball rising, and solidification periods. The relationships between the electronic flame-off (EFO) condition and the FAB formation were summarized for both bare Cu and palladium-coated Cu (PCC) wires. Further study was performed on the changes in FAB shape with different EFO conditions, wire types,

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Araki, Noritoshi, Yasutomo Ichiyama, Ryo Oishi, Teruo Haibara, and Takashi Yamada. "Effect of Process Parameters on Free Air Ball Integrity in Copper and Palladium-coated Copper Bonding Wires." International Symposium on Microelectronics 2014, no. 1 (2014): 000272–77. http://dx.doi.org/10.4071/isom-tp41.

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The Free Air Ball (FAB) formation processes of fine diameter Cu wires were observed, and the effects of process parameters were studied on the basis of high-speed camera observation. It was revealed that the FAB formation process is characterized by preheating before melting, melting that accompanies ball rising, and solidification periods. The relationships between the electronic flame-off (EFO) condition and the FAB formation were summarized for both bare Cu and palladium-coated Cu wires. Further study was performed on the changes in FAB shape with different EFO conditions, wire types, and F

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Miclăuş, Simona, Lucian Barbu-Tudoran, Paul Bechet, and Octavian Baltag. "Characterizing and Testing a Fabric Containing Amorphous Glass-Coated Ferromagnetic Microwires for its Magnetic and Electric Shielding Properties in the Frequency Range (1-3) Ghz." Scientific Bulletin 23, no. 2 (2018): 94–102. http://dx.doi.org/10.2478/bsaft-2018-0012.

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Abstract By applying a non-standardized methodology and by using electric- and magnetic-field probes of small dimensions (< 1cm), we experimentally characterized the electromagnetic shielding properties of a fabric containing ferromagnetic microwires weaved on a single direction. Electronic microscopy and X-ray spectroscopy revealed the structure, dimensions and chemical elements content of the amorphous magnetic material. Electric shielding factor proved to be very low in the investigated frequency range, but magnetic shielding factor was high, especially when the weaving direction of the

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33

Özkan, Ilkan, and Abdurrahman Telli. "The effects of metal type, number of layers, and hybrid yarn placement on the absorption and reflection properties in electromagnetic shielding of woven fabrics." Journal of Engineered Fibers and Fabrics 14 (January 2019): 155892501986096. http://dx.doi.org/10.1177/1558925019860961.

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In this study, stainless steel, copper, and silver wires were intermingled with two polyamide 6.6 filaments through the commingling technique to produce three-component hybrid yarns. The produced hybrid yarns were used as weft in the structure of plain woven fabric samples. The electromagnetic shielding effectiveness parameters of samples were measured in the frequency range of 0.8–5.2 GHz by the free space technique. The effects of metal hybrid yarn placement, number of fabric layers, metal types, and wave polarization on the electromagnetic shielding effectiveness and absorption and reflecti

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Jin, Xin Zhe, Tatsushi Nakamoto, Kiyosumi Tsuchiya, et al. "Recent R&D on Superconducting Wires for High-Field Magnet." Materials Science Forum 783-786 (May 2014): 2081–90. http://dx.doi.org/10.4028/www.scientific.net/msf.783-786.2081.

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Development for superconducting wires of materials such as Nb3Al and the high-temperature superconductors (HTS such as REBCO, Bi2223, and Bi2212) has been carried out for high-field magnet applications. It is known that these types of wire exhibit very different characteristics and performance for different applications. The development of Nb3Al wire for high-field accelerator magnet has resulted in remarkable achievements in critical current using a Rapid Heating and Quenching (RHQ) method by High Energy Accelerator Research Organization (KEK) and National Institute for Materials Science (NIM

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DAI, TAO, ZHILI FENG, DOUGLAS KYLE, et al. "The Toughness of High-Strength Steel Weld Metals." Welding Journal 101, no. 2 (2022): 67–84. http://dx.doi.org/10.29391/2022.101.006.

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Low-temperature phase transformation (LTPT) welding consumables are a new class of welding wires developed to mitigate hydrogen-induced cracking in the welding of high-strength steels without preheating or postweld heat treatment. LTPT weld metals have a high strength, but their toughness needs further investigation. LTPT weld metals predominately contain a martensite microstructure, which is necessary to achieve high strength; however, martensitic weld metals containing oxide inclusions have relatively poor toughness. Three welding processes — gas metal arc welding (GMAW), gas tungsten arc we

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Wójcik, Dariusz, Maciej Surma, Mirosław Magnuski, et al. "Experimental Verification of the Shielding Properties of Selected Textile Materials in the X Frequency Band." Applied Sciences 13, no. 17 (2023): 9777. http://dx.doi.org/10.3390/app13179777.

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The increasing development and application of wireless devices and systems that radiate electromagnetic waves makes electromagnetic interference (EMI) shielding more and more important in everyday life. In practice, rigid EMI shields are the most commonly used ones. However, for humans or in automotive and aviation applications, flexible, drapable materials, such as textile fabrics, can be more effective and useful. Textile fabrics are usually nonconductive and not magnetic, i.e., they lack the requirements for EMI shielding. However, shielding properties of textile fabrics can be achieved by

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Horvat, J., S. Soltanian, X. L. Wang, and S. X. Dou. "Magnetic shielding in MgB/sub 2//Fe superconducting wires." IEEE Transactions on Appiled Superconductivity 13, no. 2 (2003): 3324–27. http://dx.doi.org/10.1109/tasc.2003.812303.

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Mishchenko, Andrii, Dumitru Caimacan, and Américo Scotti. "Assessment of the Use of Negative Polarity in Double-Wire MIG/MAG-Welding Filling Passes." Soldagem & Inspeção 20, no. 1 (2015): 48–58. http://dx.doi.org/10.1590/0104-9224/si2001.06.

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The aim of this work was to evaluate the use of negative polarity in the trail wire in double-wire MIG/MAG-welding filling passes. A comparative study of the conventional technique (two wires working with pulsed DCEP) and the proposed combinations of pulsed DCEP in the lead wire with pulsed DCEN in the trail wire and pulsed DCEP in the lead wire with controlled short-circuit CSC(-) in the trail wire was carried out. The mean current in each wire and the ratio of travel speed to wire feed rate (for the same bead volume per unit weld length), as well as wire type and size, shielding gas composit

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Danilatos, G. D. "Improvements on the gaseous detector device." Proceedings, annual meeting, Electron Microscopy Society of America 44 (August 1986): 630–31. http://dx.doi.org/10.1017/s0424820100144590.

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The possibility of placing the specimen in a gaseous medium in the environmental SEM (ESEM) has created novel ways for detection of signals from the beam-specimen interactions. It was originally reported by Oanilatos that the ionization produced by certain signals inside the conditioning medium can be used to produce images. The aim of this report is to demonstrate some of the improvements on the system that have occurred thereafter.Two straight thin wires are aligned horizontally along a direction normal to the direction of the two scintillator backscattered electron (BSE) detectors reported

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Chen, An Pang, Chin Mei Lin, Ching Wen Lin, et al. "Electromagnetic Shielding Effectiveness and Manufacture Technique of Functional Bamboo Charcoal/Metal Composite Woven." Advanced Materials Research 123-125 (August 2010): 967–70. http://dx.doi.org/10.4028/www.scientific.net/amr.123-125.967.

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In order to fabricate textiles with electromagnetic shielding effectiveness (EMSE) and far infrared emissivity, we fabricated bamboo charcoal/metal (BC/M) composite wrapped yarns with metal wires (stainless steel wires or copper wires) as the core yarn and bamboo charcoal textured yarn as the wrapped yarns using a rotor twister machine. The optimum manufacture parameters included: the speed of the rotor twister was 8000 rpm and the wrapped amounts of the BC/M composite wrapped yarns were 4 turns/cm. The BC/M composite wrapped yarns were made into the BC/M composite woven fabrics using a loom m

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Manesh, Fatemeh Yousefi, Hossein Hasani, and Sayed Majid Mortazavi. "Analyzing the effect of yarn and fabrics parameters on electromagnetic shielding of metalized fabrics coated with polyaniline." Journal of Industrial Textiles 44, no. 3 (2013): 434–46. http://dx.doi.org/10.1177/1528083713495252.

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In this article, the effect of various yarn and fabric parameters on the electromagnetic shielding of metalized fabrics coated with polyaniline has been investigated. Copper wires with diameters of 0.06, 0.08 and 0.1 mm were chosen as conductive ﬁllers for producing the metalized core-spun yarn. To investigate the effect of sheath material, cotton, viscose and polyester fibers supplied in a roving form were used to produce different core-spun yarn on a ring spinning frame. From the produced core yarn, woven fabrics were produced in three different pick densities: 12, 16 and 20 picks per cm. Po

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Mert, T., N. Gultekin, and A. Karaaslan. "Double Fillet Welding of Carbon Steel T-Joint by Double Channel Shielding Gas Metal Arc Welding Method Using Metal Cored Wire." Archives of Metallurgy and Materials 62, no. 2 (2017): 947–54. http://dx.doi.org/10.1515/amm-2017-0137.

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AbstractLow carbon steel material and T-joints are frequently used in ship building and steel constructions. Advantages such as high deposition rates, high quality and smooth weld metals and easy automation make cored wires preferable in these industries. In this study, low carbon steel materials with web and flange thicknesses of 6 mm, 8 mm and 10 mm were welded with conventional GMAW and double channel shielding gas metal arc welding (DMAG) method to form double fillet T-joints using metal cored wire. The difference between these two methods were characterized by measurements of mean welding

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Zalhaf, Amr S., Ensheng Zhao, Yang Han, Ping Yang, Abdulrazak H. Almaliki, and Reda M. H. Aly. "Evaluation of the Transient Overvoltages of HVDC Transmission Lines Caused by Lightning Strikes." Energies 15, no. 4 (2022): 1452. http://dx.doi.org/10.3390/en15041452.

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High-voltage direct-current (HVDC) transmission systems are considered an outstanding solution due to high electrical losses emerging from long-distance transmission. However, HVDC transmission lines (TLs) are vulnerable to lightning strikes. In this work, the Yunnan-Guizhou 500 kV HVDC transmission system is used as a case study to evaluate the impact of lightning strikes on DC-TL overvoltages, as no research studies have been conducted to assess the lightning transient behavior of DC-TLs. A comprehensive investigation of the 500 kV DC-TL transient performance during lightning strikes is perf

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Chowdhuri, P. "Shielding of substations against direct lightning strokes by shield wires." IEEE Transactions on Power Delivery 9, no. 1 (1994): 314–23. http://dx.doi.org/10.1109/61.277702.

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Pan, Alexey V., Sihai Zhou, Huakun Liu, and Shixue Dou. "Direct visualization of iron sheath shielding effects in MgB2superconducting wires." Superconductor Science and Technology 16, no. 10 (2003): L33—L36. http://dx.doi.org/10.1088/0953-2048/16/10/101.

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Lin, Jia Horng, Zhi Cai Yu, Jian Fei Zhang, and Ching Wen Lou. "Electromagnetic Shielding Effectiveness and Manufacture Technique of Functional Metal Composite Knitted Fabrics." Advanced Materials Research 910 (March 2014): 262–65. http://dx.doi.org/10.4028/www.scientific.net/amr.910.262.

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In order to fabricate fabrics with electromagnetic shielding effectiveness (EMSE) and other function, we fabricated Crisscross-section polyester /antibacterial nylon / stainless steel wires (CSP/AN/SSW) composite yarns with stainless wires as core yarn, antibacterial nylon and crisscross-section polyester as inner and out wrapped yarns, respectively. Knitted fabrics were fabricated with the metal composite yarns with wrap amount of 8 turns/cm on a circular knitted machine. Furthermore, the EMSE of the metal composite fabrics were evaluated by changing the lamination amounts and lamination angl

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Li, Jianna, Huiqi Shao, Xi Chen, Guangwei Shao, Jinhua Jiang, and Nanliang Chen. "Comparison of three methods for measuring the bending stiffness of ultrafine metal wires." Materials Testing 64, no. 1 (2022): 132–42. http://dx.doi.org/10.1515/mt-2021-2000.

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Abstract Ultrafine metal wires have been widely used as structural constituents of metal meshes for electromagnetic interference shielding. To investigate the bending property of metal wires during the knitting process, the three-point bending, cantilever bending, and pure horizontal bending methods were carried out and compared. The relationships among the bending property, the twist pitch and the number of twisted wire strings were also analyzed. The specific dependence of the bending stiffness on twist pitch resulted from the internal frictional constraints, and a twist pitch of 4.5 mm was

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Kuznetsov, B. I., T. B. Nikitina, I. V. Bovdui, K. V. Chunikhin, V. V. Kolomiets, and B. B. Kobylianskyi. "The method for design of electromagnetic hybrid active-passive shielding by overhead power lines magnetic field." Electrical Engineering & Electromechanics, no. 4 (June 21, 2024): 22–30. http://dx.doi.org/10.20998/2074-272x.2024.4.03.

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Aim. Development of the method for designing electromagnetic hybrid active-passive shield, consisting from active and multy-circuit passive parts, which is characterized by increased effectiveness of reducing the industrial frequency magnetic field created by two-circuit overhead power lines in residential buildings. Methodology. The designing problem of electromagnetic hybrid active-passive shield including robust system of active shielding and multy-circuit passive shield of initial magnetic field comes down to a solution of the multy-criteria two-player zero-sum antagonistic game. The game

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Soyaslan, Devrim, Özer Göktepe, and Selçuk Çömlekçi. "The effects of fabric lamination angle and ply number on electromagnetic shielding effectiveness of weft knitted fabric-reinforced polypropylene composites." Science and Engineering of Composite Materials 21, no. 1 (2014): 129–35. http://dx.doi.org/10.1515/secm-2013-0045.

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AbstractIn this study, it was aimed to investigate the effects of fabric lamination angle and fabric ply number on electromagnetic shielding effectiveness (EMSE) of weft knitted fabric-reinforced polypropylene composites. Knitted fabric-reinforced composites are composed of aramid yarn, polypropylene yarn, and copper wire. Polypropylene is the matrix phase and the aramid yarn and copper wires are the reinforcement phase of the composite materials. It was achieved to form 1.5 to 3 mm thickness composites. The composites have nearly 20–50 dB electromagnetic shielding values. To form the knitted

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Liao, M. T., and W. J. Chen. "A Comparison of Gas Metal Arc Welding with Flux-Cored Wires and Solid Wires Using Shielding Gas." International Journal of Advanced Manufacturing Technology 15, no. 1 (1999): 49–53. http://dx.doi.org/10.1007/s001700050038.

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