3 edition of **Three-dimensional analysis of magnetic fields** found in the catalog.

Three-dimensional analysis of magnetic fields

Andrew A. Halacsy

- 317 Want to read
- 25 Currently reading

Published
**1970**
by Electrical Engineering Dept., College of Engineering, University of Nevada] in [Reno
.

Written in English

- Magnetic fields -- Mathematical models.

**Edition Notes**

Bibliography: v. 1, p. 90; v. 2, p. 36.

Statement | [by] Andrew A. Halacsy. |

Series | Engineering report no. 40, 43 |

Classifications | |
---|---|

LC Classifications | TA1 .E63 no. 40, etc., QC761 .E63 no. 40, etc. |

The Physical Object | |

Pagination | 2 v. |

ID Numbers | |

Open Library | OL4380593M |

LC Control Number | 78635747 |

Abstract [1] Three-dimensional magnetohydrodynamic reconnection in a finite diffusion region is completely different in many respects from two-dimensional reconnection at an X-point. In two dimensions a magnetic flux velocity can always be defined: two flux tubes can break at a single point and rejoin to form two new flux tubes. With this assumption, a three-dimensional (3D) magnetic field can be constructed that can be compared with extrapolations from deeper layers. Similar problems can be found in laboratory experiments. For example, electromagnetic velocity probes usually require measurement of the distribution of the 3D magnetic field in the whole measuring volume.

Specifically, the three-dimensional analysis aims at exploring the effects of typical three-dimensional perturbation fields on the strike point position on the SAS and on the three-dimensional lobes that appear as a further consequence (Evans et al ). The paper, as a result of this twofold approach, is organized as follows. In this paper, we consider the three dimensional Vlasov equation with an inhomogeneous, varying direction, strong magnetic field. Whenever the magnetic field has constant intensity, the oscillations generated by the stiff term are periodic.

The theory of three-dimensional magnetohydrodynamic duct flows in uniform magnetic fields is well developed. A corresponding theory for non-uniform magnetic fields does not exist. This study represents the first analysis of a three-dimensional MHD duct flow in which the magnetic field has spatial variations. Three-dimensional (3D) culture systems provide in vitro models with better tissue-like characteristics than two-dimensional (2D) systems. The goal in the study was to characterize the growth of a given low-grade serous ovarian carcinoma cell line in a 3D culture system conducted in a magnetic field.

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Get this from a library. Three-dimensional analysis of magnetic fields. [Andrew A Halacsy]. Basis of magnetic field analysis technology - three-dimensional finite element method () ISBN: [Japanese Import] on *FREE* shipping on qualifying offers. Basis of magnetic field analysis technology - three-dimensional finite element method () ISBN: [Japanese Import]5/5(2).

A three-dimensional (3-D) analytical model for evaluating the electromagnetic properties of a coreless HTS Linear Synchronous Motor (LSM) was established, and it was proved that the analytical model is capable of precisely and efficiently reproducing the air-gap magnetic field and electromagnetic forces.

•.Author: Tianyong Gong, Guangtong Ma, Ruichen Wang, Songlin Li, Kang Liu, Zhengwei Zhao. Three-dimensional magnetic field analysis of novel asymmetric AMF contacts for vacuum interrupters Abstract: An axial magnetic field (AMF) applied to the vacuum arc column in the vacuum tube can make the vacuum arc keeping in diffusion state, even if it is interrupting the short circuit current.

Magnetostatic fields have usually been computed by formulations based on the reduced scalar potential, its combination with the total scalar potential or on magnetic charges [1, 2, 3].

The magnetic vector potential has been widely used in finite element solution for three-dimensional magnetostatic fields Cited by: 2. Summary A versatile finite-difference program has been developed for solving 3-D magnetotelluric problems in which the inducing field is uniform and horizontal.

Finite-difference equations for the magnetic-field components are obtained by integrations over rectangular volume elements surrounding each node of the grid. In this paper, a three-dimensional finite element analysis model is established to analyze the magnetic-thermal field of kV GIS disconnector's cabinet.

The distribution of magnetic field intensity and the values of eddy currents are calculated in the magnetic field first. Three-Dimensional Analysis of Magnetic Flux Deflector. Abstract: High-temperature superconducting (HTS) rotating machines generate higher torque density than the conventional ones, thanks to the intensified magnetic flux.

The magnetic flux is coming from the large current through the HTS windings. However, the critical current density of HTS tape under the external. Cuts in the N direction through the electron diffusion region for the three‐dimensional simulation.

(a) The density n e, reconnecting magnetic field B L, normal electric field E N, and the electron flows v eN and v eM all averaged over M. (b) The principal terms in Ohm's law from equation 3.

(Additional small terms are included, as noted by. A three‐dimensional model is necessary for the magnetic field analysis of transverse magnetic flux type linear synchronous motors.

However, it is unsuitable for. Lattice Boltzmann method is applied to simulate three dimensional nanofluid flow and heat transfer in presence of magnetic field. KKL model is used to simulate the nanofluid properties. Effects of Hartmann number, nanoparticle volume fraction and Rayleigh number on hydrothermal behavior are studied.

Journal Article: THREE-DIMENSIONAL ANALYSIS OF MAGNETIC FIELDS WITH FIELD-DEPENDENT PERMEABILITY. THREE-DIMENSIONAL ANALYSIS OF MAGNETIC FIELDS WITH FIELD-DEPENDENT PERMEABILITY. Full Record; Other Related Research; Authors: Halacsy, A A Publication Date: Thu Jan 01 EST Three-dimensional magnetohydrodynamic equilibria with continuous magnetic fields - Volume 83 Issue 4 - S.

Hudson, B. Kraus. A novel three-dimensional particle tracking velocimetry technique was used to examine the flow during electrodeposition of Cu. For the first time electrode-normal, circumferential, and radial velocities were spatially resolved during deposition in superimposed low and high magnetic gradient fields.

In this way the complex interaction of magnetic field gradient force and Lorentz force induced. Flares and X-ray jets on the Sun arise in active regions where magnetic flux emerges from the solar interior amd interacts with the ambient magnetic field1,2.

The interactions are believed to. The 3-D magnetic field numerical analysis of a full-scale magnetic shielding room is advantageously performed by using the equivalent B-H method. a charge q that moves in a magnetic field with a velocity v [1]: F q v B () (1) The unit of the magnetic field, in the SI system, is the tesla (T) while in the cgs system it is the gauss (G) with 1 G = T.

The strength of the magnetic field decreases with the distance from the source. Unfortunately, this section is only available in the e-book version of the project.

A magnet is a metal object that attracts pieces of ferrous (metal) objects. Magnets always have a north and a south pole. The iron filings get stuck near the ends of the magnets only because the magnetic force or ‘magnetism’ is strongest near the poles. The three dimensional magnetic field appears because the iron filings are attracted.

The width of the valley in the magnetic field strength corresponds to the spatial resolution of 1 × 10 6 m, limited by turbulence in the Earth's atmosphere, so that the horizontal gradient of the. Magnetic Field Lines Device, Three Dimensional | Magnetic Fields | Instrument for three dimensional mapping of the magnetic field lines of a cylindrical bar magnet.

The plexiglas housing is filled with a special, highly viscous liquid and iron filings. After the magnet has been inserted into the central hole, the ir. DO NOT USE LEFT HAND RULE IN BOOK Creates electromagnet.

Example •Draw magnetic field lines through and around coil. Magnetic Force on Moving Charge •A magnetic field has a force on a moving charge •Lorentz Force Law (don't need to know, just telling you) Two right hand rules.

Choose which one is best for you. I like the one on the right.where j = ∇ × B/μ and η = (μσ) −1 may depend on position. It describes how the magnetic field changes in time owing to two effects on the right‐hand side of equation (1), namely, the advection of the magnetic field with the plasma and the diffusion of the magnetic field through the most of the universe the magnetic Reynolds number is much larger than unity and so the first.M.

Cundev and L. Petkovska. “Three-dimensional Magnetic Field Analysis of Electric Machinery by the Finite Element Method”, 2as Jorn. Luso-Espanholas de Eng. Electrotec., Coimbra, Portugal ().