Retraction: Numerical simulations of AC loss in high temperature superconductors in the liquid nitrogen region [J. Appl. Phys. 107, 053913 (2010)]

2012 ◽  
Vol 111 (7) ◽  
pp. 073911
Author(s):  
Yu-Feng Zhao
Keyword(s):  
High Temperature ◽  
Numerical Simulations ◽  
Liquid Nitrogen ◽  
High Temperature Superconductors ◽  
Ac Loss

scholarly journals DEVELOPMENT AND TESTING PROTOTYPE OF HTS MODULE FOR THE SYSTEM OF MAGNETIC LEVITATION OF VEHICLE

2015 ◽  
Vol 1 (1) ◽  
pp. 37-48
Author(s):  
Anna Andreevna Demina ◽  
A V Safonov ◽  
O A Kovalchuk ◽  
E R Zapretilina ◽  
I Yu Rodin ◽  
...  
Keyword(s):  
High Temperature ◽  
Liquid Nitrogen ◽  
Permanent Magnets ◽  
Magnetic Levitation ◽  
High Temperature Superconductors ◽  
Liquid Nitrogen Temperature ◽  
Magnetic Systems ◽  
Working Model ◽  
The Magnetic Field ◽  
Prospects Of Application

In recent years increasingly discusses the prospects of application of high-temperature superconductors (HTS) as the winding current-carrying elements of magnetic systems for various purposes. It seems particularly attractive possibility of such systems at liquid nitrogen temperature. The article describes the prototype of module of the magnetic system which is made on the basis of high-temperature superconducting tapes, designed for the installation and testing on a working model of a static levitation. In the working model levitation of the platform carried by the interaction of the magnetic field of the assembly of permanent magnets mounted on the platform with a field similar to assemblies located in the track structure. Compact HTS module replaces the two assemblies of permanent magnets mounted on the platform. Each block of the module represents HTS racetrack coil with current inputs, power structure, positioning system and bracing which is placed in a cryostat, providing at minimum wall thickness of the required mechanical strength and thermal insulation at liquid nitrogen temperature. The prototype of unified superconducting module successfully passed preliminary tests.

Temperature Dependence of Total AC Loss in High-Temperature Superconducting Tapes

2009 ◽  
Vol 19 (4) ◽  
pp. 3637-3644 ◽  
Author(s):  
Doan N. Nguyen ◽  
Pamidi V. P. S. S. Sastry ◽  
David C. Knoll ◽  
Justin Schwartz
Keyword(s):  
Experimental Data ◽  
High Temperature ◽  
Temperature Dependence ◽  
High Temperature Superconductors ◽  
Ac Loss ◽  
Ac Losses ◽  
Transport Losses ◽  
Set Up ◽  
Interesting Behavior ◽  
The Magnetic Field

A versatile experimental facility was designed and set up to measure transport ac losses, magnetization ac losses, and total ac losses in high-temperature superconductors at variable temperatures. Several sets of measurements were carried out in the temperature range of 35 K to 100 K. Sample temperature during the measurements could be controlled within plusmn0.5 K of set temperature. Temperature dependence of transport losses reflects variation of critical current density of the tapes with temperature. Temperature dependence of magnetization losses exhibits an interesting behavior with a peak, whose position shifts to lower temperatures as the magnetic field is increased. Experimental data of ac losses at various temperatures are compared with those calculated using numerical methods. Generally, the simulated results reproduce well the experimental data.

AC Loss Measurements on Multifilamentary BSCCO 2223 High-Temperature Superconductors

1996 ◽  
pp. 581-586 ◽  
Author(s):  
D. Aized ◽  
E. C. Jones ◽  
G. Snitchler ◽  
J. Campbell ◽  
A. P. Malozemoff ◽  
...  
Keyword(s):  
High Temperature ◽  
High Temperature Superconductors ◽  
Ac Loss
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