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Статті в журналах з теми "Massive solenoid"
Mikhailov, V. M., and M. P. Petrenko. "APPROXIMATION OF EXACT MASSIVE SOLENOID PROFILE FOR GENERATING PULSED MAGNETIC FIELD." Tekhnichna Elektrodynamika 2018, no. 1 (January 15, 2018): 13–16. http://dx.doi.org/10.15407/techned2018.01.013.
Повний текст джерелаBatygin, Yu V., S. O. Shinderuk, and E. O. Chaplygin. "Mutual influence of currents in plane inductor system with solenoid between two massive conductors." Electrical Engineering & Electromechanics, no. 6 (December 3, 2021): 25–30. http://dx.doi.org/10.20998/2074-272x.2021.6.04.
Повний текст джерелаBatygin, Yu V., E. A. Chaplygin, O. S. Sabokar, and V. A. Strelnikova. "ANALYSIS OF ELECTROMAGNETIC PROCESSES IN THE SYSTEM «CYLINDRICAL SOLENOID – MASSIVE CONDUCTOR»." Electrical Engineering & Electromechanics, no. 1 (February 7, 2018): 54–58. http://dx.doi.org/10.20998/2074-272x.2018.1.08.
Повний текст джерелаПетренко, Никита Павлович. "About the pulsed current distribution in the massive single-turn solenoid." Bulletin of NTU "KhPI". Series: Problems of Electrical Machines and Apparatus Perfection. The Theory and Practice, no. 1 (December 17, 2019): 42–46. http://dx.doi.org/10.20998/2079-3944.2019.1.08.
Повний текст джерелаBatygin, Yuriy, Olena Yeryomina, Svitlana Shinderuk, Evgeniy Chaplygin, and Badr Eddin Bensbaa. "FLAT CIRCULAR SOLENOID BETWEEN MASSIVE BIFILAR COILS. ANALYSIS OF ELECTROMAGNETIC PROCESSES." Bulletin of the National Technical University «KhPI» Series: New solutions in modern technologies, no. 1(7) (April 23, 2021): 3–8. http://dx.doi.org/10.20998/2413-4295.2021.01.01.
Повний текст джерелаBatygin, Yu, T. Gavrilova, Ev Chaplygin, S. Shinderuk, and Yu Shcherbinina. "ELECTROMAGNETIC PROCESSES IN A SYSTEM WITH A PLANE CIRCULAR SOLENOID BETWEEN MASSIVE BIFILARY COILS." Electromechanical and energy saving systems 3, no. 55 (2021): 8–14. http://dx.doi.org/10.30929/2072-2052.2021.3.55.8-14.
Повний текст джерелаBabic, S., C. Akyel, and S. J. Salon. "New procedures for calculating the mutual inductance of the system: filamentary circular coil-massive circular solenoid." IEEE Transactions on Magnetics 39, no. 3 (May 2003): 1131–34. http://dx.doi.org/10.1109/tmag.2003.810550.
Повний текст джерелаYoshida, Saeko, Kousaku Fujiwara, and Minoru Hirose. "Electromagnetic Interference of An Implantable Cardiac Pacemaker by A Home Electric Massage Machine Using Solenoid Coils." Iryou kikigaku (The Japanese journal of medical instrumentation) 82, no. 5 (2012): 399–404. http://dx.doi.org/10.4286/jjmi.82.399.
Повний текст джерелаMenon, Shyam H., Christoph Federrath, and Rolf Kuiper. "On the turbulence driving mode of expanding H ii regions." Monthly Notices of the Royal Astronomical Society 493, no. 4 (February 28, 2020): 4643–56. http://dx.doi.org/10.1093/mnras/staa580.
Повний текст джерелаWhitworth, Ant, Dimitri Stamatellos, and Steffi Walch. "Modeling the prestellar cores in Ophiuchus." Proceedings of the International Astronomical Union 6, S270 (May 2010): 19–23. http://dx.doi.org/10.1017/s1743921311000111.
Повний текст джерелаДисертації з теми "Massive solenoid"
Петренко, Микита Павлович. "Визначення профілю соленоїдів для створення імпульсних магнітних полів за допомогою аналітичних розв'язків задач аналізу". Thesis, Національний технічний університет "Харківський політехнічний інститут", 2020. http://repository.kpi.kharkov.ua/handle/KhPI-Press/49055.
Повний текст джерелаThe thesis is submitted to obtain a scientific degree of Doctor of Philosophy, specialty 141 – Electricity, electronics and electrical engineering (14 – Electrical engineering). – National Technical University “Kharkiv Polytechnic Institute” of the Ministry of Education and Science of Ukraine, Kharkiv, 2020. The object of research is the pulsed electromagnetic field, which is created using massive single-turn solenoid in the process of electromagnetic forming of metal workpieces. The subject of research are profiles of massive single-turn solenoids which generate a given distribution of magnetic field at the surface of a metal workpiece. The scientific and practical task of determining the massive single-turn solenoid profiles is solved using analytical solutions of analysis problems for pulsed magnetic field which is created by elementary sources. The problems of scientific research were solved using fundamental concepts of theoretical electrical engineering, mathematical physics, numerical methods of analysis and modern informational technologies. The introduction substantiates the relevance of research tasks showing connection between the work and scientific programs, plans, themes. The information on the scientific novelty and practical value the obtained results are stated. The first chapter provides an overview of known systems for generating electromagnetic pulsed field and methods which are used to determine its shape. Two different approaches are emphasized. The former is based on iterative or analytical adjustment of field-generating system parameters. The latter is the use of the solution of the problem of field continuation from boundary surface. The further development of the methods which are based on analytical solutions of analysis problems for elementary field sources is justified, the direction of research is chosen and objectives are formulated. The second chapter presents the method aimed to determine the shape of massive single-turn solenoids which generates a given distribution of tangent component of magnetic induction at the surfaces of cylindrical or sheet metal workpieces in the process of electromagnetic forming. The method is based on using the solutions of analysis problems for systems which consist of current carrying conductors of elementary shape that are placed near the boundary surfaces, whereas environment outside the conductors is supposed to be nonconducting and nonmagnetic. The ideal skin-effect approximation is used, according to which we suppose that currents flow within the infinitely thin surface layers. With accordance to the approximation the cylindrical workpiece is replaced by ideal superconductive cylinder of infinite length, the flat workpiece is replaced by superconductive half-space. There are three cases described. In the first case elementary sources is represented by annular current carrying conductors which are places axially with the inner cylinder. The cross section of the annular conductors is infinitely small. In the second case there are the same annular axisymmetric conductors but placed above the flat boundary of superconducting half-space and are parallel to it. In the third case elementary sources are straight current carrying axes which are parallel to each other and to the lower superconducting half-space. The formulas for magnetic induction and magnetic flux for that systems are stated. Compliance with given boundary distribution of magnetic induction is achieved by varying of system parameters using gradient descent optimization method. Field lines for the system of elementary sources, that provides the smallest differences between given and obtained induction distributions, were built and used to determine the exact profile of massive single-turn solenoid that generate given magnetic induction distribution. The correctness of exact profile was verified using the method of integral equations. In the third chapter approximation of exact massive single-turn solenoid profile, which significantly simplify its design and manufacturing, is proposed. Magnetic induction distributions, which are generated by the solenoids, are calculated and errors due to the approximation are investigated. Inductance of the solenoid-cylinder system is compared for different accuracy of approximation and different outer radius of the solenoid. Surface current density distributions at the solenoid contour are shown. An influence of radius of rounding of sharp edges is considered and relation between the angle of rounded edge corner and maximum surface current density is described. Calculations of the third chapter were performed using a numerical solution of the integral equation with respect to surface current density. In the fourth chapter an experimental research on relative induction distributions of axisymmetric magnetic field that is created using brass massive single-turn solenoid at the surface of cylindrical workpiece is stated, whereas the shape of the solenoid was determined according to the method which is described in the thesis. The exact profile contour was chosen by one of the field lines which cover the system of nine annular conductors. With accordance to the approximation method the exact profile contour was replaced by six-sided polygon. The solenoid is placed at the special installation axially with a cylindrical copper shell. Induction sensor is placed into the gap between the solenoid and the shell to measure relative induction at reference points near the shell boundary. The solenoid is connected to low voltage pulse generator which creates the pulses of exponentially damped sine wave. The frequency of the pulses is changed in the range of (40÷225) kHz varying the capacitance of the generator battery. Relative differences between measured and given induction distributions are shown and do not exceed 6 percent at all reference points within working area for every variant of pulse frequency. The research results have allowed obtaining a number of scientific results: - for the first time, an approach which is based on the use of Green’s function to determine a shape of massive single-turn solenoid for generating a given magnetic induction distribution at cylindrical workpiece surface is proposed for electromagnetic forming; - for the first time, approximation of curvilinear contour of massive single-turn solenoid profile by a polygon, which allow to significantly simplify its design and manufacturing, is researched; - the use of Green’s functions is developed for determining of massive singleturn solenoids which generates given distribution of axisymmetric or plane-parallel magnetic field at the flat surface of sheet metal workpiece; - theoretical results obtained in the dissertation are confirmed by measurements of relative distributions of magnetic induction which is created by massive single-turn solenoid at the cylindrical boundary of metal workpiece using the installation for physical modeling; - the results of the research were used for research work at Engineering electrophysics department of National Technical University “Kharkiv Polytechnic Institute”.