Thematische Bibliographien / Magnetic sheet

Inhaltsverzeichnis

  1. Zeitschriftenartikel
  2. Dissertationen
  3. Bücher
  4. Buchteile
  5. Konferenzberichte
  6. Berichte der Organisationen

Auswahl der wissenschaftlichen Literatur zum Thema „Magnetic sheet“

Autor: Grafiati
Veröffentlicht am 16. September 2023

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Zeitschriftenartikel zum Thema "Magnetic sheet"

1

Shen, C., Z. J. Rong, X. Li, M. Dunlop, Z. X. Liu, H. V. Malova, E. Lucek und C. Carr. „Magnetic configurations of the tilted current sheets in magnetotail“. Annales Geophysicae 26, Nr. 11 (17.11.2008): 3525–43. http://dx.doi.org/10.5194/angeo-26-3525-2008.

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Abstract. In this research, the geometrical structures of tilted current sheet and tail flapping waves have been analysed based on multiple spacecraft measurements and some features of the tilted current sheets have been made clear for the first time. The geometrical features of the tilted current sheet revealed in this investigation are as follows: (1) The magnetic field lines (MFLs) in the tilted current sheet are generally plane curves and the osculating planes in which the MFLs lie are about vertical to the equatorial plane, while the normal of the tilted current sheet leans severely to the dawn or dusk side. (2) The tilted current sheet may become very thin, the half thickness of its neutral sheet is generally much less than the minimum radius of the curvature of the MFLs. (3) In the neutral sheet, the field-aligned current density becomes very large and has a maximum value at the center of the current sheet. (4) In some cases, the current density is a bifurcated one, and the two humps of the current density often superpose two peaks in the gradient of magnetic strength, indicating that the magnetic gradient drift current is possibly responsible for the formation of the two humps of the current density in some tilted current sheets. Tilted current sheets often appear along with tail current sheet flapping waves. It is found that, in the tail flapping current sheets, the minimum curvature radius of the MFLs in the current sheet is rather large with values around 1 RE, while the neutral sheet may be very thin, with its half thickness being several tenths of RE. During the flapping waves, the current sheet is tilted substantially, and the maximum tilt angle is generally larger than 45°. The phase velocities of these flapping waves are several tens km/s, while their periods and wavelengths are several tens of minutes, and several earth radii, respectively. These tail flapping events generally last several hours and occur during quiet periods or periods of weak magnetospheric activity.
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Kai, Yuichiro, Yuji Tsuchida, Takashi Todaka und Masato Enokizono. „Three-Dimensional Magnetic Field Analysis for Local Induction Heating of Steel Sheet by Using Magnetic Flux Concentration Plate“. Materials Science Forum 792 (August 2014): 87–92. http://dx.doi.org/10.4028/www.scientific.net/msf.792.87.

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In general, the magnetic properties of electrical steel sheets are strongly influenced by mechanical stress. We have reported the measurement results of vector magnetic properties of a non-oriented electrical steel sheet under stress conditions. From these results, it is possible to control the vector magnetic property by applying local mechanical stress. Therefore, we next focus on an induction heating technique that applies mechanical stress in a non-oriented electrical steel sheet. It is very important to control the eddy current distribution inside the non-oriented electrical steel sheet. This paper presents a magnetic flux concentration plate structure to control the eddy current in steel sheets by using an induction heating technique. The magnetic flux concentration plate structure is investigated in a three-dimensional magnetic field analysis by the finite element method.
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Lui, A. T. Y. „Observations of the Earth's Cross-Tail Current Sheet and Their Implications“. Symposium - International Astronomical Union 107 (1985): 303–7. http://dx.doi.org/10.1017/s0074180900075768.

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Observations of the neutral sheet in the Earth's magnetotail are presented to show different magnetic signatures of the neutral sheet which have been used to infer (1) wave profiles on the neutral sheet surface, (2) magnetic islands embedded in the neutral sheet, and (3) localized turbulent magnetic field regions. The occurrence of these features even at magnetospheric quiet conditions suggests that the above features are intrinsic to the current sheet and may possibly play a role in its stability. There are indications that these features are common to other current sheets in space.
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Frank, Anna. „Distinctive features of the structure of current sheets formed in plasma in three-dimensional magnetic configurations with an X line (a review)“. ADVANCES IN APPLIED PHYSICS 9, Nr. 6 (23.12.2021): 464–78. http://dx.doi.org/10.51368/2307-4469-2021-9-6-464-478.

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A review is presented on experimental results related to investigation of distinctive features of the structure and evolution of plasma current sheets formed in three dimensional (3D) magnetic configurations with an X line, in the presence of a longitudinal magnetic field component (guide field) directed along the X line. It is shown that formation of a plasma current sheet results in enhancement of the guide field within the sheet. The excessive guide field is maintained by plasma currents that flow in the transverse plane relative to the main current in the sheet. As a result, the structure of the currents becomes three-dimensional. Increasing the initial value of the guide field brings about a decrease of compression into the sheet of both the electric current and plasma. This effect is caused by changing the pres- sure balance in the sheet when an excessive guide field appears in it. Deformation of plasma current sheets in 3D magnetic configurations, namely, an appearance of asymmetric and tilted sheets, results from excitation of the Hall currents and their interaction with the guide field. It is shown that the formation of current sheets in 3D magnetic configurations with an X line is possible in a relatively wide, but limited range of initial conditions
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Zhang, Wenbo, Chuo Yang, Yongxin Feng und Deyu Zhang. „Research on the Three Dimensional Detection Technology for Magnetic Sheet in Industrial Production“. Open Mechanical Engineering Journal 9, Nr. 1 (16.09.2015): 585–93. http://dx.doi.org/10.2174/1874155x01509010585.

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This study proposes a three-dimensional size detection system for inerratic magnetic sheets according to specific size parameter requirements, such as the volume of the industrial micro magnetic sheet. Based on the noise interference generated by the corresponding detection environment of the magnetic sheet, a hybrid filtering method for the inerratic magnetic sheet is also proposed here, which effectively implements denoising filtering. In the image edge detection module, the edge detection operator most suitable for detecting image edge extraction is selected, and in order to realize the inerratic shape detection in Hough transform, the measurement function of size parameters (including the top surface radius, tilt angle of the profile and top surface, profile thickness, and volume) for the micro cylinder magnetic sheet are designed and implemented. Measurement data, gathered through repeated experiments, builds a more effective detection system for magnetic sheet size than traditional methods at the millimeter level.
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Petrukovich, A. A., T. l. Zhang, W. Baumjohann, R. Nakamura, A. Runov, A. Balogh und C. Carr. „Oscillatory magnetic flux tube slippage in the plasma sheet“. Annales Geophysicae 24, Nr. 6 (03.07.2006): 1695–704. http://dx.doi.org/10.5194/angeo-24-1695-2006.

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Abstract. Cluster observations in the magnetotail revealed an abundance of strongly inclined current sheets. We determine the magnetic configuration of a particular subset of such phenomena: a series of sheet crossings, having significantly differing inclinations and occurring during quiet conditions. These wave-like variations appear to propagate azimuthally and their magnetic amplitude and magnetic gradient (current density) inside the sheet are proportional to their steepness (degree of inlcination). In spite of significant normal direction changes between neighboring crossings up to 150°, the magnetic field direction inside the neutral sheet remains almost constant. The wavelengths and spatial amplitudes are of the order of 2–5 RE. These observations are interpreted as crossings of a quasi-periodic dynamical structure produced by almost vertical slippage motion of the neighboring magnetic flux tubes in the high-β plasma sheet, rather than large-scale flapping of a stationary structure.
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Shahril, Mohd Khairul, Rose Farahiyan Munawar, Muhd Hafez Mohamed, Afraha Baiti Arif, Noraiham Mohamad, Mohd Edeerozey Abd Manaf, Jeeferie Abd Razak und Hairul Effendy Ab Maulod. „Green Magnetic Composite Sheet from Durian Shell and Nano-Magnetite Particles“. Applied Mechanics and Materials 761 (Mai 2015): 515–19. http://dx.doi.org/10.4028/www.scientific.net/amm.761.515.

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Biomass-derived materials such as kenaf pulp and wood chips are a perfect candidate to produce magnetic paper. Furthermore, by using biomass waste, such as paddy straw, sugarcane, bagasse and durian shell, the cost of producing magnetic paper can be further reduced while giving added value to the waste. This paper investigates the potential of producing magnetic sheet from durian shell. Initially, durian shells were dried before undergoing the pulping process. The resulted sheet was then combined with magnetic particles, the nanomagnetite using either lumen loading or in-situ co-precipitation to produce a magnetic composite sheet. After being loaded with magnetic particles, the composite sheets were tested in terms of the homogeneity of the magnetic particles in the samples, degree of loading of the magnetic particles and the magnetic properties of the samples. Results obtained show a great success in producing the magnetic sheet from durian shell waste and nanomagnetite particles. It was also found that the lumen loading method gives better magnetic properties compared to the in-situ co-precipitation method.
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Zhang, Xiangyong, Haipeng Liu, Yunli He, Tingrui Peng, Bin Su und Huiyuan Guan. „Analysis of the Influence of Ferromagnetic Material on the Output Characteristics of Halbach Array Energy-Harvesting Structure“. Micromachines 12, Nr. 12 (11.12.2021): 1541. http://dx.doi.org/10.3390/mi12121541.

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Due to the particular arrangement of permanent magnets, a Halbach array has an significant effect of magnetism and magnetic self-shielding. It can stretch the magnetic lines on one side of the magnetic field to obtain an ideal sinusoidal unilateral magnetic field. It has a wide application range in the field of energy harvesting. In practical applications, magnetic induction intensity of each point in magnetic field is not only related to the induced current and conductor but also related to the permeability of the medium (also known as a magnetic medium) in the magnetic field. Permeability is the physical quantity that represents the magnetism of the magnetic medium, which indicates the resistance of magnetic flux or the ability of magnetic lines to be connected in the magnetic field after coil flows through current in space or in the core space. When the permeability is much greater than one, it is a ferromagnetic material. Adding a ferromagnetic material in a magnetic field can increase the magnetic induction intensity B. Iron sheet is a good magnetic material, and it is easy to magnetize to generate an additional magnetic field to strengthen the original magnetic field, and it is easy to obtain at low cost. In this paper, in order to explore the influence of ferromagnetic material on the magnetic field and energy harvesting efficiency of the Halbach array energy harvesting structure, iron sheets are installed on the periphery of the Halbach array rotor. Iron sheet has excellent magnetic permeability. Through simulation, angle between iron sheet and Halbach array, radian size of iron sheet itself and distance between iron sheet and Halbach array can all have different effects on the magnetic field of the Halbach array. It shows that adding iron sheets as a magnetic medium could indeed change the magnetic field distribution of the Halbach array and increase energy harvesting efficiency. In this paper, a Halbach array can be used to provide electrical power for passive wireless low-power devices.
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Wang, Zhen, Kai Xu und Yufeng Du. „Temperature Rise Calculation of Magnetic Core Considering the Temperature Effect of Magnetic Properties in an Electrical Steel Sheet“. Symmetry 14, Nr. 11 (04.11.2022): 2315. http://dx.doi.org/10.3390/sym14112315.

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The magnetic properties of electrical steel sheets are affected by magnetization patterns, working temperature, and external pressure. In order to study the temperature effect of electrical steel sheets on the temperature rise of a transformer core, in this paper, based on the magnetic property test system of an electrical steel sheet, the permeability and loss of a 50AW600 grain non-oriented electrical steel sheet and a 30ZH120 grain oriented electrical steel sheet under different temperatures and excited frequencies were measured, and the influence of temperature on the properties of the material was analyzed. A magneto-thermal iterative coupling method considering the temperature effects of magnetic properties in the electrical steel sheet was investigated. Based on the above measurement data and iterative coupling method, the temperature distribution of the core of a 500-kV power transformer was simulated and analyzed, and compared with the simulation results of the traditional coupling method without considering the temperature effect of the electrical steel sheet. Magneto-thermal coupling simulation under no-load operation is a symmetrical problem. It was found that the temperature of the hottest spot of the transformer core calculated by the magneto-thermal iteration method proposed in this paper was significantly reduced, the temperature of the hottest spot on the core column was about 45 °C, and the temperature of the hottest spot on the upper and lower yoke was about 39 °C, which provides an effective simulation method for accurately calculating the temperature rise distribution of electrical products such as transformers.
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Ishii, H., M. Kaneko und F. Motegi. „Development of magnetic shielding compound sheet "AMORIK-SHEET".“ Bulletin of the Japan Institute of Metals 27, Nr. 5 (1988): 385–87. http://dx.doi.org/10.2320/materia1962.27.385.

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Dissertationen zum Thema "Magnetic sheet"

1

Stechow, Adrian von [Verfasser]. „Current sheet dynamics during driven magnetic reconnection / Adrian von Stechow“. Greifswald : Universitätsbibliothek Greifswald, 2015. http://d-nb.info/1073164306/34.

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Su, Ruitao. „Multi-Field Physics for the Synthesis of Carbon Nanotube Yarn and Sheet“. University of Cincinnati / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1439310862.

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Wilson, Fiona. „Equilibrium and stability properties of collisionless current sheet models“. Thesis, University of St Andrews, 2013. http://hdl.handle.net/10023/3548.

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The work in this thesis focuses primarily on equilibrium and stability properties of collisionless current sheet models, in particular of the force-free Harris sheet model. A detailed investigation is carried out into the properties of the distribution function found by Harrison and Neukirch (Physical Review Letters 102, 135003, 2009) for the force-free Harris sheet, which is so far the only known nonlinear force-free Vlasov-Maxwell equilibrium. Exact conditions on the parameters of the distribution function are found, which show when it can be single or multi-peaked in two of the velocity space directions. This is important because it may have implications for the stability of the equilibrium. One major aim of this thesis is to find new force-free equilibrium distribution functions. By using a new method which is different from that of Harrison and Neukirch, it is possible to find a complete family of distribution functions for the force-free Harris sheet, which includes the Harrison and Neukirch distribution function (Physical Review Letters 102, 135003, 2009). Each member of this family has a different dependence on the particle energy, although the dependence on the canonical momenta remains the same. Three detailed analytical examples are presented. Other possibilities for finding further collisionless force-free equilibrium distribution functions have been explored, but were unsuccessful. The first linear stability analysis of the Harrison and Neukirch equilibrium distribution function is then carried out, concentrating on macroscopic instabilities, and considering two-dimensional perturbations only. The analysis is based on the technique of integration over unperturbed orbits. Similarly to the Harris sheet case (Nuovo Cimento, 23:115, 1962), this is only possible by using approximations to the exact orbits, which are unknown. Furthermore, the approximations for the Harris sheet case cannot be used for the force-free Harris sheet, and so new techniques have to be developed in order to make analytical progress. Full analytical expressions for the perturbed current density are derived but, for the sake of simplicity, only the long wavelength limit is investigated. The dependence of the stability on various equilibrium parameters is investigated.
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Akcaoglu, Fehmi Umit. „Investigating The Effect Of Deformation And Annealing Texture On Magnetic Anisotropy In Low-c Steel Sheets By Magnetic Barkhausen Noise Method“. Master's thesis, METU, 2013. http://etd.lib.metu.edu.tr/upload/12615569/index.pdf.

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Deformation and annealing texture in the cold rolled low carbon steels is important for sheet metal forming operations and service performance. The aim of this study is to non-destructively investigate the effect of texture on magnetic anisotropy. Various samples having different textures and residual stress states, due to different % reduction in thickness, annealing and stress relieving treatment, were prepared. Texture maps were obtained by Magnetic Barkhausen noise measurements performed with 100 steps between the ranges of 00-3600 on the surface. Microstructure investigation by optical &
scanning electron microscopy
hardness and tension tests were performed
and texture was determined by X-Ray diffraction method. The results were compared, evaluated and discussed to establish relationship between texture and magnetic Barkhausen Noise emission.
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Matsui, Tatsuki. „Kinetic theory and simulation of collisionless tearing in bifurcated current sheets“. Diss., University of Iowa, 2008. http://ir.uiowa.edu/etd/38.

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Souza, Pedro Victor Brondino Duarte de. „Desenvolvimento de um subsistema non-real-time para o gerenciamento de dispositivos periféricos e desenvolvimento de interfaces gráficas“. Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/76/76132/tde-21102016-140615/.

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Ressonância Magnética (RM) é uma técnica bastante versátil, pois é utilizada em muitas áreas de pesquisa, como biologia, física, química, engenharia e medicina. Apesar disso, constitui-se uma desvantagem o alto custo do equipamento e suas restrições físicas para alguns experimentos. Para reduzir essas desvantagens, o grupo de pesquisadores do CIERMag está desenvolvendo um equipamento de RMN multipropósito e, para complementá-lo, este trabalho vem desenvolver um subsistema non-real-time que gerencia os dispositivos periféricos de um experimento. Foi proposta uma rede de dispositivos que é controlada por um Raspberry Pi como elemento central, o qual está conectado ao terminal computadorizado do sistema através de uma rede local (Local Area Network - LAN) via Ethernet e conectado aos dispositivos periféricos via Serial Peripheral Interface (SPI). Com o objetivo de ser possível gerenciar qualquer tipo de dispositivo, foi desenvolvido um conjunto de parâmetros baseado no Transducer Electronic Data Sheet (TEDS), definido no padrão IEEE 1451, de modo que cada dispositivo, normalmente um transdutor, possui seu próprio. Foram elaboradas duas interfaces de software: uma desenvolvida em Python e a outra uma interface web HTML. Ambas as interfaces possuem as mesmas funcionalidades: editor e gerenciador de TEDS, visualização gráfica de medidas dos sensores e interface para os atuadores.
Magnetic Resonance (MR) is a very versatile technique, since it is used in many research areas such as biology, physics, chemistry, engineering and medicine. Despite this, the cost of the equipment and its physical restrictions in some experiments constitute a serious drawback. To minimize these problems, the CIERMag research team is developing multipurpose MR equipment and, to complement this equipment, this work develops a non-real-time subsystem that manages the peripheral devices of the experiment. It was proposed a network of devices controlled by a Raspberry Pi as its central element, which is connected to the terminal computer of the system. The protocol adopted for this was Ethernet via Local Area Network (LAN); communication with peripheral transducers was performed with the Serial Peripheral Interface (SPI). With the objective to be able to manage any type of device, we created parameter sets based on Transducer Electronic Data Sheet (TEDS), defined in the IEEE 1451 standard, so each device, normally a transducer, has its own parameter set. We created two software interfaces: one developed with Python and the other is a HTML web interface. Both have the same functionalities: a TEDS editor and manager, a graphical visualization of sensor measurements and also an actuator interface.
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Kamal, Manish. „A uniform pressure electromagnetic actuator for forming flat sheets“. Connect to resource, 2005. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1127230699.

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Thesis (Ph. D.)--Ohio State University, 2005.
Title from first page of PDF file. Document formatted into pages; contains xxi, 261 p.; also includes graphics (some col.). Includes bibliographical references (p. 244-254). Available online via OhioLINK's ETD Center
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Talowski, Catherine. „Contribution à l'amélioration des tôles magnétiques non orientées utilisées en électrotechnique“. Grenoble INPG, 1996. http://www.theses.fr/1996INPG0105.

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Actuellement, la principale voie d'amélioration des performances des aciers magnétiques utilisées dans les machines tournantes est l'obtention d'une texture préférentielle type "cubique" {100}<001> ou planaire {100}<0vw>. De plus, pour l'ensemble des tôles magnétiques, le laminage à chaud est une étape incontournable du procédé. Or il a été montré antérieurement que des microstructures de laminé à chaud non recristallisées et fortement déformées hétérogènement coïncidaient avec l'émergence d'une texture finale prononcée et une sensible amélioration des performances magnétiques. Nous avons examiné en laboratoire les possibilités d'obtention de textures {100} par laminage à chaud pour des alliages Fe Si et Fe Si Al d'au moins 0, 1 mm d'épaisseur. L'étude de l'importance des différents recuits et laminage à froid du procédé nous ont permis de préciser la part de divers phénomènes (taux de réduction globale, hétérogénéité du laminage à chaud, teneur en aluminium, microstructure initiale) dans l'accroissement des performances. Enfin, la croissance anormale de germes favorablement orientés a été envisagée pour les alliages Fe Si par l'intermédiaire d'inhibiteur AIN et est une voie de progrès pour le futur. Pour des applications à plus hautes fréquences (supérieure à 50 Hz) l'épaisseur des tôles doit être inférieure à 100 microns pour limiter les courants induits. Partant de travaux anciens, des tôles minces en texture "cubique" ont été obtenues par simple ou double laminage à froid de tôles G. O. Commerciale associés à une croissance anormale contrôlée par différence d'énergie de surface. Nous montrons en particulier l'importance de l'état de recristallisation primaire comme point de départ de la croissance anormale et son influence sur la qualité de la texture finale obtenue sur les performances magnétiques
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純士, 北尾, und Junji Kitao. „ヒステリシス特性を考慮した有限要素磁界解析の実用化に関する研究“. Thesis, https://doors.doshisha.ac.jp/opac/opac_link/bibid/BB13044990/?lang=0, 2017. https://doors.doshisha.ac.jp/opac/opac_link/bibid/BB13044990/?lang=0.

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本論文では，鉄損算出精度向上を目的としたプレイモデルによるヒステリシス特性を考慮した磁界解析の実用化に向けて，ヒステリシスモデルのモデリング精度向上，計算機の記憶容量低減，有限要素磁界解析の計算時間削減に関する手法を提案した．さらに，ヒステリシス特性の考慮の有無が解析結果に与える影響を検討し，提案したヒステリシス特性を考慮した有限要素磁界解析の実用性を明らかにした．
In order to achieve the highly accurate analysis of an iron loss for electric machines, this paper proposes finite element magnetic field analyses taking account of the hysteretic property by using the play model. As a consequence, it is verified that the proposed method can accurately estimate an iron loss of a magnetic materials and decrease computational costs. Furthermore, this paper investigates the influence of the hysteretic property in finite element magnetic field analyses to demonstrate its effectiveness.
博士(工学)
Doctor of Philosophy in Engineering
同志社大学
Doshisha University
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Pera, Thierry. „Lois d'aimantation anisotropes et non linéaires : modélisation et validation expérimentale“. Grenoble INPG, 1994. http://www.theses.fr/1994INPG0038.

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Le but de notre étude est de prendre en compte le comportement bidimensionnel non linéaire et anisotrope des tôles magnétiques, utilisées en génie électrique, afin de pouvoir effectuer une modélisation par éléments finis aussi réaliste que possible. Nous avons développé un modèle original de loi de comportement de tôles magnétiques (à grains orientés, à grains non orientés, à texture cubique) fondé sur l'équivalence entre la relation vectorielle B(H) et une représentation magnétique 11. Les données expérimentales nécessaires sont les courbes B(H) suivant la direction de laminage (axe x) et striant la direction travers qui lui est orthogonale (axe y). Le comportement magnétique des tôles est pris en compte par une représentation adéquate des lignes isovaleurs de coénergie dans le plan HxHy. La relation B(H) est ensuite restituée à partir de la densité de coénergie. Une vérification expérimentale du modèle a été effectuée grâce à un cadre en champs tournants. Nous avons implanté le modèle dans un logiciel éléments finis avec une formulation en potentiel scalaire. Des exemples d'application ont été traités (alternateur et transformateur)
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Bücher zum Thema "Magnetic sheet"

1

Drake, A. E. Precise magnetic measurements on electrical sheet steels. Luxembourg: Directorate-General Information Market and Innovation, Commission of the European Communities, 1986.

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2

M, Erickson G., und United States. National Aeronautics and Space Administration., Hrsg. Penetration of the interplanetary magnetic field Bγ into Earth's plasma sheet. [Washington, DC: National Aeronautics and Space Administration, 1995.

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E, Lopez R., Goodrich C. C und United States. National Aeronautics and Space Administration., Hrsg. Energization of ions in near-Earth current sheet disruptions. [Washington, DC: National Aeronautics and Space Administration, 1995.

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International Workshop on Magnetic Properties of Electrical Sheet Steel under Two-Dimensional Excitation (1st 1991 Physikalisch-Technische Bundesanstalt). First International Workshop on Magnetic Properties of Electrical Sheet Steel under Two-Dimensional Excitation: Proceedings of the 93. PTB-Seminar, Physikalisch-Technische Bundesanstalt, Braunschweig (Germany), 16. and 17.9. 1991. Braunschweig: PTB, 1992.

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5

South London Science & Technology Centre., Hrsg. Electricity & magnetism: Graphic sheets. London: South London Science & Technology Centre, 1989.

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6

Andrews, William A. Magnetic and charged materials: Unit plan and student activity sheets. Toronto, ON: William A. Andrews, 2000.

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L, Kaufmann Richard, und United States. National Aeronautics and Space Administration., Hrsg. Force balance and substorm effects in the magnetotail. [Washington, DC: National Aeronautics and Space Administration, 1997.

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8

Parker, E. N. Spontaneous current sheets in magnetic fields: With applications to stellar x-rays. New York: Oxford University Press, 1994.

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T, Wu S., Tandberg-Hanssen E. 1921- und United States. National Aeronautics and Space Administration., Hrsg. Disruption of helmet streamers by current emergence. [Washington, DC: National Aeronautics and Space Administration, 1996.

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T, Wu S., Tandberg-Hanssen E. 1921- und United States. National Aeronautics and Space Administration., Hrsg. Disruption of helmet streamers by current emergence. [Washington, DC: National Aeronautics and Space Administration, 1996.

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Buchteile zum Thema "Magnetic sheet"

1

Weik, Martin H. „magnetic sheet“. In Computer Science and Communications Dictionary, 960. Boston, MA: Springer US, 2000. http://dx.doi.org/10.1007/1-4020-0613-6_10892.

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Thomy, Claus, und Frank Vollertsen. „Influence of Magnetic Fields on Dilution during Laser Welding of Aluminium“. In Sheet Metal 2005, 179–86. Stafa: Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/0-87849-972-5.179.

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Vekstein, Gregory, und Eric R. Priest. „Current Sheet Formation in Force-Free Magnetic Fields“. In Mechanisms of Chromospheric and Coronal Heating, 536–38. Berlin, Heidelberg: Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-87455-0_89.

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Kim, Goo Hwa, Zhong Soo Lim und Eui-Wan Lee. „Magnetic Flux Leakage Inspection for Moving Steel Sheet“. In Review of Progress in Quantitative Nondestructive Evaluation, 2257–63. Boston, MA: Springer US, 1999. http://dx.doi.org/10.1007/978-1-4615-4791-4_289.

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Dahlburg, R. B., S. K. Antiochos und T. A. Zang. „Three-Dimensional Magnetic Reconnection in a Coronal Neutral Sheet“. In Physics of Solar and Stellar Coronae: G.S. Vaiana Memorial Symposium, 611–14. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1964-1_91.

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Petrukovich, A. A. „Low Frequency Magnetic Fluctuations in the Earth's Plasma Sheet“. In Nonequilibrium Phenomena in Plasmas, 145–77. Dordrecht: Springer Netherlands, 2005. http://dx.doi.org/10.1007/1-4020-3109-2_7.

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Ito, Akira, Hiroyuki Honda und Masamichi Kamihira. „Construction of Multi-layered Cell Sheet Using Magnetite Nanoparticles and Magnetic Force“. In Animal Cell Technology: Basic & Applied Aspects, 129–35. Dordrecht: Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-9646-4_21.

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Sakai, Jun-ichi, und Ryo Sugihara. „Non-Stochastic Acceleration of Protons in the Magnetic Neutral Sheet“. In Unstable Current Systems and Plasma Instabilities in Astrophysics, 513–18. Dordrecht: Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-009-6520-1_59.

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Batygin, Yuriy, Marina Barbashova und Oleh Sabokar. „Magnetic Pulsed Pressure for Forming Inner Angles in Sheet Metals“. In Electromagnetic Metal Forming for Advanced Processing Technologies, 5–34. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-74570-1_2.

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Steinolfson, R. S., L. Ofman und P. J. Morrison. „Magnetic reconnection and current-sheet formation at X-type neutral points“. In Space Plasmas: Coupling Between Small and Medium Scale Processes, 189–96. Washington, D. C.: American Geophysical Union, 1995. http://dx.doi.org/10.1029/gm086p0189.

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Konferenzberichte zum Thema "Magnetic sheet"

1

Brun, M. „Friction behavior under magnetorheological lubricant in sheet metal forming process“. In Sheet Metal 2023. Materials Research Forum LLC, 2023. http://dx.doi.org/10.21741/9781644902417-35.

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Abstract. The increasingly high standards required in sheet metal forming industry, both geometrical and aesthetical, lead to continuous search of solutions to control the metal sheet flow during deformation. As alternative to traditional draw beads or hydraulically controlled segmented dies, the possibility of locally varying the material tangential speed by adapting the surface tribology at the interface between the blank and the blank holder represents a still unexplored scenario. The paper presents the feasibility analysis of the use of magneto-rheological (MR) fluids as lubricants in stamping, exploiting their ability to vary their rheological behaviour in response to external magnetic fields. To this aim, a new strip drawing test bench was developed to investigate the friction behaviour of MR fluids under different magnetic fields. The cold stamping of DC05 steel sheet was taken as reference case to investigate the influence of typical process parameters such as contact pressure, sliding speed and magnetic field.
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Oyama, Hideki, Nanami Kawada und Toshiro Sato. „Magnetic Properties of Soft Magnetic Powder/Epoxy Composite Sheet“. In 2023 IEEE International Magnetic Conference - Short Papers (INTERMAG Short Papers). IEEE, 2023. http://dx.doi.org/10.1109/intermagshortpapers58606.2023.10228441.

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Batygin, Yuriy, Svitlana Shinderuk, Evgen Chaplygin, Nataliia Rudenko und Olena Yeryomina. „Magnetic-Pulsed Separation of Sheet Metals“. In 2022 IEEE 3rd KhPI Week on Advanced Technology (KhPIWeek). IEEE, 2022. http://dx.doi.org/10.1109/khpiweek57572.2022.9916322.

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Chung, Tien-Kan, Po-Chen Yeh und Chieh-Min Wang. „A Magnetic/Mechanical Approach for Optimizing a Miniature Self-Powered Current Sensor“. In ASME 2013 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/smasis2013-3124.

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In this paper, we demonstrate a magnetic/mechanical approach for optimizing a miniature self-powered current sensor. The sensor consists of a piezoelectric PZT sheet, CuBe cantilever beam, NdFeB magnet, and mechanical clamp. When the sensor is placed nearby an AC-current carrying wire from a breaker, the magnet fixed on the beam of the sensor experiences an alternative magnetic attractive and repulsive force produced by an AC magnetic field generated by the wire. Due to the alternative magnetic attractive and repulsive force, the magnet fixed on the beam is oscillated. The oscillating beam deforms the PZT sheet and subsequently produces strain in the PZT sheet. Due to the piezoelectric effect, the strain is converted to a voltage response. Through the optimized approach, the voltage output of the sensor is increased from 1.27 volts to 4.01 volts when the sensor is used to detect an AC current-carrying wire of 8 ampere at 60 Hz.
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Victoria, Jorge, Adrian Suarez, Pedro A. Martinez, Antonio Alcarria, Andrea Amaro und Jose Torres. „Board-level shielding with magnetic absorber sheet“. In 2022 International Symposium on Electromagnetic Compatibility – EMC Europe. IEEE, 2022. http://dx.doi.org/10.1109/emceurope51680.2022.9901317.

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Nakase, T., M. Nakano, K. Fujiwara und N. Takahashi. „An open magnetic path type of single sheet tester for measurement of magnetostriction of electrical steel sheet“. In IEEE International Magnetics Conference. IEEE, 1999. http://dx.doi.org/10.1109/intmag.1999.837302.

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Sato, M., R. Sai, Y. Miyazawa, A. Takahashi und M. Yamaguchi. „Electromagnetic Noise Suppression Composite Sheet Made of Hexagonal Ferrite Particles.“ In 2018 IEEE International Magnetic Conference (INTERMAG). IEEE, 2018. http://dx.doi.org/10.1109/intmag.2018.8508472.

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Song, Guangchao, Bibek Poudel, Patrick Kwon, Haseung Chung, Zachary Detweiler und Guangchun Quan. „Development of Magnetic-Field Assisted Finishing (MAF) Process for Chromium-Alloyed Low Carbon Steel Sheet Metal“. In ASME 2021 16th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/msec2021-63614.

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Abstract Magnetic-Field Assisted Finishing (MAF) is a polishing process that utilizes a slurry mixture made of ferrous and abrasive particles in a liquid medium, known as a brush. The brush attached to a magnetic tool directly interacts with the surface of a workpiece and removes any imperfections and defects in the surface giving a smooth and nice surface finish. In this study, two distinct MAF setups were applied to the surface of chromium alloyed low carbon steel sheets to achieve the surface finish. The preliminary studies were conducted on one setup to understand the polishing behavior of the sheets and the other setup was designed to polish larger areas of the sheets to mimic the practical sheet producing environment. The effect of processing conditions such as types and sizes of abrasives, brush composition, and finishing time to attain the final surface roughness of the sheets was studied. The brush with the weight composition of 4:1:1.5 (iron: 3 μm black ceramic: silicone) was found to be the optimal condition for polishing the sheet metal samples. The optimal conditions obtained were applied to the larger scaled experimental setup. The final surface roughness of 38 nm and 220 nm were achieved in these experimental setups, respectively.
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Takada, S., und T. Sasaki. „Magnetic Properties of Electrical iron Sheet under controlled magnetization“. In 1993 Digests of International Magnetics Conference. IEEE, 1993. http://dx.doi.org/10.1109/intmag.1993.642169.

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Bowen, Landen, Kara Springsteen, Saad Ahmed, Erika Arrojado, Mary Frecker und Timothy W. Simpson. „Design, Fabrication, and Modeling of an Electric-Magnetic Self-Folding Sheet“. In ASME 2016 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/detc2016-60332.

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A concept recently proposed by the authors is that of a multi-field sheet that folds into several distinct shapes based on the applied field, be it magnetic, electric, or thermal. In this paper the design, fabrication, and modeling of a multi-field bifold is presented that utilizes magneto-active elastomer (MAE) to fold along one axis and P(VDF-TrFE-CTFE) terpolymer to fold along the other axis. In prior work a dynamic model of self-folding origami was developed which simulated the effect of magneto-active materials on origami-inspired designs. This dynamic model is extended to include the effect of electroactive polymers (EAP) by approximating them as combinations of torques. The accuracy of this approximation is validated using experimental data from a terpolymer-actuated design known as the barking dog. After adjusting crease stiffness within the dynamic model, it shows good correlation with experimental data, indicating that the developed EAP approximation is accurate. With the capabilities of the dynamic model improved by the EAP approximation method and a refined MAE approximation, the multi-field bifold can be accurately modeled. The model is compared to experimental data obtained from the fabricated multi-field bifold, and is found to predict well the fold angles of the sample. This validation is a first step to the simulation, design, and fabrication of more complicated multi-field sheets.
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Berichte der Organisationen zum Thema "Magnetic sheet"

1

F. Trintchouk, H. Ji, M. Yamada, R. Kulsrud, S. Hsu und T. Carter. Experimental Investigation of the Neutral sheet Profile During Magnetic Reconnection. Office of Scientific and Technical Information (OSTI), November 1999. http://dx.doi.org/10.2172/14919.

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Kahler, S. W., N. U. Crooker und D. E. Larson. Probing the Magnetic Polarity Structure of the Heliospheric Current Sheet. Fort Belvoir, VA: Defense Technical Information Center, August 2003. http://dx.doi.org/10.21236/ada423038.

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Brooks, Stephen. Magnetic Field of a Winding Sheet defined by a Contour Function. Office of Scientific and Technical Information (OSTI), September 2019. http://dx.doi.org/10.2172/1895092.

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Friedrich, Stephan. Magnetic Microcalorimeter Gamma Detectors for High-Precision Non-Destructive Analysis Fact Sheet. Office of Scientific and Technical Information (OSTI), September 2014. http://dx.doi.org/10.2172/1169822.

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Yoo, Joseph, Massaaki Yamada, Hantao Ji, ,. Clayton E. Meyers, Jara-Almonte und Li-Jen Chen. Laboratory Study Of Magnetic Reconnection With A Density Asymmetry Across The Current Sheet. Office of Scientific and Technical Information (OSTI), April 2014. http://dx.doi.org/10.2172/1129427.

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Friedrich, Stephan. High-Precision Non-Destructive Analysis with Magnetic Microcalorimeter Gamma Detectors Fact Sheet 2017. Office of Scientific and Technical Information (OSTI), Juni 2017. http://dx.doi.org/10.2172/1377766.

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Nikolic, L. Modelling the magnetic field of the solar corona with potential-field source-surface and Schatten current sheet models. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2017. http://dx.doi.org/10.4095/300826.

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Coyle, M. Integration of two aeromagnetic surveys: total magnetic field, southwestern area of Buchans sheet (NTS 12 A/15), Newfoundland and Labrador. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2006. http://dx.doi.org/10.4095/221824.

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Coyle, M. Integration of two aeromagnetic surveys: first vertical derivative of the magnetic field, southwestern area of Buchans sheet (NTS 12 A/15), Newfoundland and Labrador. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2006. http://dx.doi.org/10.4095/221840.

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