High-Performance Permanent Magnet Railway Design Consideration of Magnetic Stiffness Parameters of YBCO Bulk Arrays

Lu, Yingjie; Ge, Yunwang; Liu, Minxian; Wang, Jiasu

doi:10.1007/s10948-010-1124-y

Cited by 8 publications

(3 citation statements)

References 8 publications

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“…5a. In literature, seven YBCO samples which has diameter of 30 mm and thickness of 15 mm were used and vertical stiffness value at the vertical distance of 5 mm was observed as 26 N/mm for the double pole Halbach PMG [22]. Thus, it can be said that obtained maximum stiffness values for all PMG-HTS arrangements in this study is very good as compared to the literature.…”

Section: Resultssupporting

confidence: 53%

Levitation and guidance force efficiencies of bulk YBCO for different permanent magnetic guideways

Abdioglu

Öztürk

Gedikli

et al. 2015

Journal of Alloys and Compounds

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Section: Resultssupporting

confidence: 53%

Levitation and guidance force efficiencies of bulk YBCO for different permanent magnetic guideways

Abdioglu

Öztürk

Gedikli

et al. 2015

Journal of Alloys and Compounds

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“…Liu has researched magnetic levitation force decay characteristics of YBCO bulk over PMR while the bulk is applied with external AC magnetic fields [8]. Lu experimentally measured magnetic levitation force stiffness of YBCO bulk arrays over two types PMR and researched the magnetic levitation performance of YBCO bulk over PMR using a 3D-modeling method [9,10].…”

Section: Introductionmentioning

confidence: 99%

Magnetic Force Investigation of High-Tc Superconducting Bulk over Permanent Magnet Railway under Different Lateral Offsets with Experimental Methods

Lu¹,

He²,

Liu³

2013

JMP

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The magnetic levitation transportation system is one of the potential applications of high-T_c superconducting (HTS) maglev system. The prototype HTS magnetic levitation system is composed of one HTS bulk and a permanent magnet railway (PMR). The maglev transportation system performance is influenced by the maximum levitation force, the maximum guidance force and the maximum of external applied magnetic flux density. The applied magnetic field distribution also needs to be considered carefully. In the paper, the magnetic levitation force of cylindrical HTS bulk over PMR is experimentally studied. During the experiment, symmetrical PMR and Halbach PMR are used separately. The levitation force-gap loops of different lateral offset of the HTS bulk above PMRs are obtained experimentally. The results show that the HTS bulk levitation performance is tightly relative to the external applied magnetic field distribution. The maximum magnetic levitation forces of HTS bulk above symmetrical PMR decrease linearly with the lateral offset increasing. When the lateral offset changes from 0 mm to 25 mm, the maximum magnetic levitation forces of HTS bulk above Halbach PMR increase with the lateral offset increasing. When the lateral offset exceeds the center of the Halbach PMR by 25 mm, the maximum force decreases rapidly with the increase of the lateral offset of the bulk sample.

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“…Liu has researched the magnetic levitation force decay characteristics of YBCO bulk over PMG while the bulk sample is applied with external AC magnetic field [11][12][13]. Lu experimentally measures magnetic force stiffness of YBCO bulk arrays over two types of PMG [14].…”

Section: Introductionmentioning

confidence: 99%

Magnetic Forces Investigation of Bulk HTS over Permanent Magnetic Guideway under Different Lateral Offset with 3D-Model Numerical Method

Dang

2012

Advances in Materials Science and Engineering

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Magnetic forces of a cylinder shape bulk high-temperature superconductor (HTS) over a permanent magnet guideway (PMG) are studied mathematically. One cylindrical bulk HTS with a diameter of 30 mm and 15 mm in height is used. Two types of PMG are employed for external magnetic fields consideration. The relationship of magnetic forces of bulk HTS under different lateral offsets over PMG is studied with 3D-model finite element method (FEM). The calculation results show that the maximum magnetic levitation force of bulk HTS over PMG is tightly related to the applied magnetic field distribution. For the symmetrical PMG, the maximum magnetic levitation force decreases linearly with the increase of lateral offset of the bulk sample. For the Halbach PMG, when lateral offset changes from 0 mm to 25 mm, the maximum magnetic levitation force increases with the increase of lateral offset of the bulk HTS. When the lateral offset exceeds the center of the Halbach by 25 mm, the maximum levitation force decreases rapidly with the increase of the lateral offset of the bulk sample.

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High-Performance Permanent Magnet Railway Design Consideration of Magnetic Stiffness Parameters of YBCO Bulk Arrays

Cited by 8 publications

References 8 publications

Levitation and guidance force efficiencies of bulk YBCO for different permanent magnetic guideways

Levitation and guidance force efficiencies of bulk YBCO for different permanent magnetic guideways

Magnetic Force Investigation of High-Tc Superconducting Bulk over Permanent Magnet Railway under Different Lateral Offsets with Experimental Methods

Magnetic Forces Investigation of Bulk HTS over Permanent Magnetic Guideway under Different Lateral Offset with 3D-Model Numerical Method

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