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Academic literature on the topic 'Ferromagnetic anchor'
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Journal articles on the topic "Ferromagnetic anchor"
Lytvynenko, Viktoriia, Alexander Sereda, Iryna Varshamova, and Olena Korol. "Experimental research of the influence of a ferromagnetic core on the speed of an induction-dynamic release with turning anchor type." Bulletin of NTU "KhPI". Series: Problems of Electrical Machines and Apparatus Perfection. The Theory and Practice, no. 2 (6) (December 9, 2021): 10–14. http://dx.doi.org/10.20998/2079-3944.2021.2.02.
Full textHan, R., F. Blobner, J. Bauer, D. A. Duncan, J. V. Barth, P. Feulner, and F. Allegretti. "Toward interfacing organic semiconductors with ferromagnetic transition metal substrates: enhanced stability via carboxylate anchoring." Chemical Communications 52, no. 63 (2016): 9805–8. http://dx.doi.org/10.1039/c6cc05009c.
Full textXia, Baorui, Haiyi Zhang, Zhongxin Liao, Jian-Feng Wu, Yongfeng Hu, Mohsen Shakouri, Daqiang Gao, and Desheng Xue. "Cr cation-anchored carbon nanosheets: synthesis, paramagnetism and ferromagnetism." Nanotechnology 32, no. 33 (May 28, 2021): 335706. http://dx.doi.org/10.1088/1361-6528/ac00df.
Full textTyagi, Pawan, Edward Friebe, and Collin Baker. "Addressing the Challenges of Using Ferromagnetic Electrodes in Molecular Devices." MRS Advances 1, no. 7 (2016): 483–88. http://dx.doi.org/10.1557/adv.2016.161.
Full textPetrescu, Emil, Cristina Cirtoaje, and Cristina Stan. "Dynamic behavior of a nematic liquid crystal mixed with CoFe2O4 ferromagnetic nanoparticles in a magnetic field." Beilstein Journal of Nanotechnology 8 (November 22, 2017): 2467–73. http://dx.doi.org/10.3762/bjnano.8.246.
Full textSnejko, N., E. Gutiérrez-Puebla, J. L. Martínez, M. A. Monge, and C. Ruiz-Valero. "The Complexity of the Complexes. A Twelve-fold Anchored Ligand in a Co(II) Hybrid Polymeric Material with Ferromagnetic Order." Chemistry of Materials 14, no. 4 (April 2002): 1879–83. http://dx.doi.org/10.1021/cm011286p.
Full textCococcioni, Matteo, and Andrea Floris. "Magnetic Energy Landscape of Dimolybdenum Tetraacetate on a Bulk Insulator Surface." Applied Sciences 11, no. 9 (April 23, 2021): 3806. http://dx.doi.org/10.3390/app11093806.
Full textDissertations / Theses on the topic "Ferromagnetic anchor"
Кочерга, Олександр Іванович. "Підвищення ефективності лінійних імпульсних електромеханічних перетворювачів за рахунок мультиякірних конфігурацій." Thesis, Національний технічний університет "Харківський політехнічний інститут", 2020. http://repository.kpi.kharkov.ua/handle/KhPI-Press/49202.
Full textDissertation for Candidate of Science Degree in Specialty 05.09.01 "Electrical Machines and Apparatuses" (14 – Electrical Engineering) – National Technical University "Kharkiv Polytechnic Institute", Kharkiv, 2020. The dissertation work is devoted to the improvement of linear pulse electromechanical converters due to multi - core configurations. To achieve this goal, the following tasks were set: – to analyze the structures and areas of use of linear pulse electromechanical converters of induction, electrodynamics and electromagnetic types as shockpower and accelerating devices; – to implement in the COMSOL Multiphysics software environment a mathematical model of a linear pulse electromechanical converter of multi-core configuration, which takes into account the interconnected electrical, magnetic, mechanical and thermal processes and nonlinear magnetic and thermophysical dependences; – to analyze the electromechanical characteristics of linear pulse electromechanical converters of multicore configurations and to evaluate their efficiency with the help of a complex criterion; – to establish the influence of the shape of the excitation current on the efficiency of linear pulse electromechanical transducers of multicore configurations; – to conduct experimental studies of linear pulse electromechanical transducers, to propose and test models of electromagnetic catapult for unmanned aerial vehicle, magnetic pulse press for ceramic powder materials, electromechanical device for discharging ice and snow deposits from the transmission line wire and transmission line. Object of research – electromechanical processes and indicators of linear pulse electromechanical converters of multicore configurations. Subject of research – linear pulse electromechanical converters of multicore configurations of power and speed purpose. Research methods. Mathematical modeling of electromagnetic, mechanical and thermophysical processes in linear pulse electromechanical converters of pulse action was used to solve the tasks to analyze the electromechanical characteristics and establish the influence of the shape of the excitation current on the efficiency of the converters. Experimental studies of linear pulse electromechanical transducers of multicore configuration were performed on experimental stands, which allowed to test device models. The following scientific results are obtained in the work: – the classification of linear pulse electromechanical converters of multicore configurations, which include ferromagnetic, coil and continuous conductive armature, was further developed; – the mathematical model of the linear pulse electromechanical converter due to inclusion of the ferromagnetic, coil and continuous electrically conductive anchors which interact with a mobile anchor is improved. The mathematical model, which is implemented in the COMSOL Multiphysics software environment, contains interconnected electrical, magnetic, mechanical and thermal processes and takes into account magnetic and thermophysical nonlinear dependencies; – for the first time the peculiarities of the course of electromagnetic processes are established and the electrical, magnetic and power indicators of linear pulse electromechanical converters of multi-core configurations of power purpose are determined. It is shown that almost all converters of multi-arc configurations provide an increase in the amplitude and magnitude of the pulse of electrodynamics forces in comparison with the converter, which has one continuous conductive armature; – for the first time the influence of geometrical parameters of movable and fixed electrically conductive armatures that interact with the movable inductor was established, which allowed to increase the speed indicators of the linear pulse electromechanical converter; – for the first time it is established that when excited by oscillatingattenuating, aperiodic and aperiodic with feeding forms of current in converters of multicore configurations the magnitude of the electrodynamics force pulse increases in comparison with the converter having one continuous electrically conductive armature. The dissertation work was performed at the National Technical University "Kharkiv Polytechnic Institute" and is part of the research work of the Department of General Electrical Engineering. The work was carried out on the basis of financing by state budget topics: "Development of means of increasing the efficiency of linear shock electromechanical accelerators and power devices" (DR №0115U000522), "Improvement of technical systems and devices by means of impulse electromechanical converters. (DR № 0117U004881), the contractual theme "Development and research of high-speed electrodynamics actuator" (at the expense of LLC "TETRA, Ltd", Kharkiv), and the initiative theme "Modern problems and prospects for the development of electrotechnical devices and systems" (DR №0119U002551) where the author was a co-author.
Кочерга, Олександр Іванович. "Підвищення ефективності лінійних імпульсних електромеханічних перетворювачів за рахунок мультиякірних конфігурацій." Thesis, Національний технічний університет "Харківський політехнічний інститут", 2020. http://repository.kpi.kharkov.ua/handle/KhPI-Press/49201.
Full textThe dissertation for the degree of Candidate of Technical Sciences in the specialty 05.09.01 “Electric machines and apparatus” (14 - Electrical Engineering) - National Technical University “Kharkov Polytechnic Institute”, Kharkov, 2020. The dissertation is devoted to the improvement of linear pulsed electromechanical converters due to multi-dia configurations. In the dissertation work the analysis of designs and spheres of use of linear pulse electromechanical converters of induction, electromagnetic and electrodynamic type as shock-power and accelerating devices is carried out. Developed and implemented in the COMSOL Multiphysics software environment, a mathematical model of linear pulse electromechanical converters multi-core configuration, which takes into account the interconnected electrical, magnetic, mechanical and thermal processes, nonlinear magnetic and thermophysical dependences. The classification of electromechanical converters which includes ferromagnetic, coil and massive electrically conductive anchors is developed. The peculiarities of the course of electromagnetic processes are established and the electrical, magnetic and power indicators of electromechanical converters of multi-core configurations are determined. A complex criterion for evaluating the efficiency is proposed, by means of which a comparative analysis of electromechanical converters of multicore configurations with electromechanical converters having one anchor is carried out. The influence of the form of excitation current on the efficiency of electromechanical converters of multicore configurations is established. The method is developed and experimental researches of electromechanical converters of power and speed appointment with simultaneous measurement of electric, mechanical and thermal parameters are carried out. On the basis of electromechanical converters multi-core configurations, original designs of electromagnetic catapult models for UAVs, magnetic-pulse press for ceramic powder materials and electromechanical device for discharge of ice and snow deposits from the power line wire were developed and tested.