magnetic levitation force between a superconducting bulk

Magnetic levitation force between a superconducting bulk ...

Apr 01, 2003 · Abstract. The current density J(rho, z) in a disc-shaped superconducting bulk magnet and the magnetic levitation force F SBM z exerted on the superconducting bulk magnet by a cylindrical permanent magnet are calculated from first principles. The effect of the superconducting parameters of the superconducting bulk is taken into account by assuming the voltage-current law E

[cond-mat/0211470] Magnetic levitation force between a ...

Nov 21, 2002 · Abstract: The current density in a disk-shaped superconducting bulk magnet and the magnetic levitation force exerted on the superconducting bulk magnet by a cylindrical permanent magnet are calculated from first principles. The effect of the superconducting parameters of the superconducting bulk is taken into account by assuming the voltage-current law and the material law.

Magnetic levitation force between a superconducting bulk ...

The current density in a disk-shaped superconducting bulk magnet and the magnetic levitation force exerted on the superconducting bulk magnet by a cylindrical permanent magnet are calculated from ...

Effect of magnetization process on levitation force ...

Nov 15, 2004 · 1.. IntroductionIt is well known that the very high trapped magnetic field in bulk high temperature superconducting disk (SD) and the levitation force between SD and a permanent magnet (PM) have possible industrial applications , , , , , , .Several groups reported their theoretical and experimental results in recent years.

(PDF) MAGNETIC FIELD DISTRIBUTION AND LEVITATION FORCE ...

MAGNETIC FIELD DISTRIBUTION AND LEVITATION FORCE CALCULATION IN HTSC-PMG MAGLEV VEHICLES. Progress In Electromagnetics Research B, 2013. K. Boughrara. R. Ibtiouen. Download PDF. Download Full PDF Package. This paper. A short summary of this paper. 35 Full PDFs related to this paper. Read Paper. MAGNETIC FIELD DISTRIBUTION AND LEVITATION FORCE ...

Correlations Between Magnetic Flux and Levitation Force of ...

Jun 26, 2017 · 高达10%返现 · In order to clarify the correlations between magnetic flux and levitation force of the high-temperature superconducting (HTS) bulk, we measured the magnetic flux density on bottom and top surfaces of a bulk superconductor while vertically moving above a permanent magnet guideway (PMG). The levitation force of the bulk superconductor was measured simultaneously. In this study, the HTS bulk

Correlations Between Magnetic Flux and Levitation Force of ...

Jun 26, 2017 · In order to clarify the correlations between magnetic flux and levitation force of the high-temperature superconducting (HTS) bulk, we measured the magnetic flux density on bottom and top surfaces of a bulk superconductor while vertically moving above a permanent magnet guideway (PMG). The levitation force of the bulk superconductor was measured simultaneously. In this study, the HTS bulk

Dynamic modeling of levitation of a superconducting bulk ...

where the bulk is assigned superconducting properties (equation (2)). In case of strict ZFC conditions, i.e. with an in nite initial gap between the superconductor and the permanent, a zero magnetic eld is found on the SC bulk at the initial instant. The same occurs in

MAGNETIC FIELD DISTRIBUTION AND LEVITATION FORCE ...

three types of PMGs when removing the HTSC bulk. Magnetic fleld distribution and vertical force obtained analytically are compared with those issued from the flnite element method (FEM). 1. INTRODUCTION Magnetic levitation (maglev) is widely used in many applications such as superconducting magnetic bearings (SMB), energy storage

High Force Magnetic Levitation Using Magnetized ...

Jan 01, 2012 · b) The ideal force vs displacement prediction. 4. Pulse magetization and levitation force measurement system 4.1. Design and construction A unique levitation force measurement system has been constructed to allow investigation into pulsed field magnetization of superconducting bulks and forces between a magnetized bulk and another superconductor.

(PDF) MAGNETIC FIELD DISTRIBUTION AND LEVITATION FORCE ...

MAGNETIC FIELD DISTRIBUTION AND LEVITATION FORCE CALCULATION IN HTSC-PMG MAGLEV VEHICLES. Progress In Electromagnetics Research B, 2013. K. Boughrara. R. Ibtiouen. Download PDF. Download Full PDF Package. This paper. A short summary of this paper. 35 Full PDFs related to this paper. Read Paper. MAGNETIC FIELD DISTRIBUTION AND LEVITATION FORCE ...

Magnetic levitation using high temperature

Jun 09, 2015 · Magnetic levitation using high temperature superconducting pancake coils as composite bulk cylinders A Patel1, S C Hopkins1, A Baskys1, V Kalitka2, A Molodyk2 and B A Glowacki1,3,4 1Department of Materials Science and Metallurgy, University of Cambridge, 27 Charles Babbage Road, Cambridge, CB3 0FS, UK 2ZAO SuperOx, 20-2 Nauchny Proezd, Moscow, Russia

High Force Magnetic Levitation Using Magnetized ...

The ability of high temperature superconducting bulks to trap magnetic fields of several tesla allows them to generate very high levitation force. This paper reports the development of a bulk-bulk superconducting rotary bearing design which uses superconducting bulks on both the rotor and the stator. An evaluation is made of the effectiveness of pulsed fields for magnetizing bulks.

High Force Magnetic Levitation Using Magnetized ...

Abstract The ability of high temperature superconducting bulks to trap magnetic fields of several tesla allows them to generate very high levitation force. This paper reports the development of a bulk-bulk superconducting rotary bearing design which uses superconducting bulks on both the rotor and the stator. An evaluation is made of the effectiveness of pulsed fields for magnetizing bulks ...

Dynamic modeling of levitation of a superconducting bulk ...

Abstract. Intrinsically stable magnetic levitation between superconductors and permanent magnets can be exploited in a variety of applications of great technical interest in the field of transportation (rail transportation), energy (flywheels) and industry.

ASPECTS OF PASSIVE MAGNETIC LEVITATION BASED ON

Comparison between various bulk materials and thinfilms Hysteretic force-displacement relations in passive magnetic levitation systems are caused by irreversible flux motion within the superconductor and are therefore a common feature in such arrangements. With (weak-pinning) sintered superconducting material,

Levitation Force Characteristics of High-Temperature ...

Feb 28, 2020 · Abstract: The levitation force of high temperature superconducting (HTS) bulks can be enhanced by raising the strength of the external magnetic field. As to the field of HTS magnetic levitation (maglev), many researchers have also obtained this conclusion by levitation experiments above a permanent magnet guideway (PMG).

A possibility of gravitational force shielding by bulk ...

Shielding properties of single-phase dense bulk superconducting ceramics of YBa,Cu,O,_, against the gravitational force were studied at temperatures below 77 K. A small non-conducting and non-magnetic sample weighing 5.48 g was placed over a levitat-

دانلود رایگان مقاله با ترجمه : ناهمسانگردی بر عملکرد معراج ...

دریافت مقاله با ترجمه فارسی sciencedirect : Anisotropy Effect on Levitation Performance of Bulk High-Tc Superconductors Above a Permanent Magnet Guideway دانلود رایگان مقاله

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Calculation of the hysteretic force between a ...

The magnetic levitation forces exerted on a high-temperature superconducting HTS disk by a cylindrical ... distributed inside the bulk sample, is qualitatively invalid. 36,37. ... the interacting force between a superconducting target and the applied nonuniform magnetic field is of critical impor-

Dynamic modeling of levitation of a superconducting bulk ...

Jul 01, 2018 · Abstract: Intrinsically stable magnetic levitation between superconductors and permanent magnets can be exploited in a variety of applications of great technical interest in the field of transportation (rail transportation), energy (flywheels) and industry. In this contribution, we present a new model for the calculation of levitation forces between superconducting bulks and permanent

Levitation Force Characteristics of High-Temperature ...

Feb 28, 2020 · Abstract: The levitation force of high temperature superconducting (HTS) bulks can be enhanced by raising the strength of the external magnetic field. As to the field of HTS magnetic levitation (maglev), many researchers have also obtained this conclusion by levitation experiments above a permanent magnet guideway (PMG).

WK1LPO2J-04 1 Angle-dependence of the levitation force ...

Angle-dependence of the levitation force from a frustum-shaped magnet and recessed superconducting bulk James G. Storey, Member, IEEE, and Rodney A. Badcock, Senior Member, IEEE Abstract—The widespread application of superconducting magnetic levitation bearings is limited by their relatively low stiffness.

Angle-dependence of the levitation force from a frustum ...

The widespread application of superconducting magnetic levitation bearings is limited by their relatively low stiffness. Recently we investigated a novel thrust bearing geometry comprised of a conical frustum (or truncated cone) shaped permanent magnet levitating inside a matching tapered hole machined into a high-temperature superconductor bulk.

A possibility of gravitational force shielding by bulk ...

Shielding properties of single-phase dense bulk superconducting ceramics of YBa,Cu,O,_, against the gravitational force were studied at temperatures below 77 K. A small non-conducting and non-magnetic sample weighing 5.48 g was placed over a levitat-

Levitation Force Transition of High-Tc Superconducting ...

In practical application of a High-Tc Superconducting (HTS) maglev vehicle, the onboard HTS bulks are inevitably exposed to a varying inhomogeneous field due to present processing and assembling technology of the permanent magnetic guideway (PMG). To explore the influence on the levitation forces of YBa2Cu3O7-x bulk samples in such changing external magnetic field due to different

Magnetic levitation using high temperature superconducting ...

Stacks of superconducting tape can be used as composite bulk superconductors for both trapped field magnets and for magnetic levitation. Little previous work has been done on quantifying the levitation force behaviour between stacks of tape and permanent magnets.

MAGNETIC FIELD DISTRIBUTION AND LEVITATION FORCE ...

CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): Abstract—This paper presents a new analytical method for predicting magnetic field distribution and levitation force in three configurations of high temperature superconducting (HTSC) maglev vehicles. The permanent magnet guideways (PMG) are composed with ferromagnetic materials and NdFeB permanent magnets.

Magnetic levitation - Wikipedia

Magnetic levitation (maglev) or magnetic suspension is a method by which an object is suspended with no support other than magnetic fields. Magnetic force is used to counteract the effects of the gravitational force and any other forces.. The two primary issues involved in magnetic levitation are lifting forces: providing an upward force sufficient to counteract gravity, and stability ...

Levitation Force Transition of High-Tc Superconducting ...

In practical application of a High-Tc Superconducting (HTS) maglev vehicle, the onboard HTS bulks are inevitably exposed to a varying inhomogeneous field due to present processing and assembling technology of the permanent magnetic guideway (PMG). To explore the influence on the levitation forces of YBa2Cu3O7-x bulk samples in such changing external...

The size effect on the magnetic levitation force of MgB 2 ...

Abstract In this study, the size effect on the magnetic levitation performance of disk-shaped MgB 2 bulk superconductors and permanent magnets was investigated. MgB 2 samples with varying diameters of 13 mm, 15 mm and 18 mm, each of which were 2 g in mass, were prepared by two-step solid state reaction method. Vertical levitation force measurements under both zero-field-cooled (ZFC) and field ...

Discussions About Measurement Results of Levitation Force ...

High temperature bulk superconductors have significant potential for various engineering applications such as a flywheel energy storage system. This system is expected to decrease the energy loss by using bulk superconductors for the bearing. Recently, the authors have developed a new superconducting magnet to realize the large levitation force. The magnet has two coils on the same axis and ...

(PDF) Measuring the interaction force between a high ...

Measuring the interaction force between a high temperature superconductor and a permanent magnet. American Journal of Physics, 1999. Luis Carlos Udaeta Rodriguez. Sergio Valenzuela. Guillermo A Jorge. Juan Rodriguez. Luis Carlos Udaeta Rodriguez. Sergio Valenzuela. Guillermo A Jorge.

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