# IEEE Transactions on Applied Superconductivity

## Issue 3  Part 2 • June 2013

This issue contains several parts.Go to:  Part 1  | Part 3

## Filter Results

Displaying Results 1 - 25 of 356
• ### Front Cover

Publication Year: 2013, Article Sequence Number: 0002101
| |PDF (94 KB)
• ### IEEE Transactions on Applied Superconductivity publication information

Publication Year: 2013, Article Sequence Number: 0002201
| |PDF (135 KB)

Publication Year: 2013, Article Sequence Number: 0001715
| |PDF (214 KB)
• ### [Blank page]

Publication Year: 2013, Article Sequence Number: 9900601
| |PDF (5 KB)
• ### Structural Reinforcement on a Superconducting Radio-Frequency Cavity

Publication Year: 2013, Article Sequence Number: 3500105
| |PDF (200 KB) | HTML

A pressure test on a liquid-helium vessel with the niobium cavity in a cryostat to the maximum allowable operational pressure is required as the main item for a safety test near 300 K, to prepare for application for a license to operate a superconducting radio-frequency (SRF) module. Because the niobium cavity has a shell structure and is part of the liquid-helium vessel, to prevent its buckling d... View full abstract»

• ### Superconducting Nb Thin Films on Cu for Applications in SRF Accelerators

Publication Year: 2013, Article Sequence Number: 3500205
Cited by:  Papers (6)
| |PDF (428 KB) | HTML

This article describes Nb thin films deposited on Cu using coaxial energetic deposition (CED). CED is a nonequilibrium cathodic arc process that drives medium energy (50-150 eV) ions into a few atomic layers beneath the surface to promote the growth of dense, ordered films via subplantation physics. Nb films deposited on crystalline substrates by CED have shown bulk-Nb like (>; 300-500) RRR val... View full abstract»

• ### Conduction Cooling Test of a Splittable Quadrupole for ILC Cryomodules

Publication Year: 2013, Article Sequence Number: 3500305
Cited by:  Papers (5)
| |PDF (665 KB) | HTML

A superconducting splittable quadrupole magnet was designed at Fermilab for use in ILC-style cryomodules, in which the magnet is to be assembled around the beam tube to avoid contaminating the ultraclean superconducting RF beam volume. This quadrupole was built and first tested in a liquid helium bath environment at Fermilab, where its quench and magnetic performance were characterized. The device... View full abstract»

• ### Application of Multi-Physics Computation on Design of a Superconducting Radio-Frequency Cavity

Publication Year: 2013, Article Sequence Number: 3500405
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Superconducting radio-frequency cavities have been chosen as the main accelerating cavities and harmonic cavities in some synchrotron light sources. The previously developed computational scheme for the multiphysics with finite-element models can be used to calculate the electromagnetic characteristics of an externally loaded cavity, but unphysical results could be found on greatly deformed caviti... View full abstract»

• ### Imaging of the Surface Resistance of an SRF Cavity by Low-Temperature Laser Scanning Microscopy

Publication Year: 2013, Article Sequence Number: 3500506
Cited by:  Papers (2)
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Temperature mapping of the outer surface of a superconducting radio-frequency cavity is a technique that is often used to identify lossy areas on the cavity surface. In this contribution, we present 2-D images of the superconducting state surface resistance Rs of the inner surface of a superconducting radio-frequency (SRF) cavity obtained by low-temperature laser scanning microsc... View full abstract»

• ### Evaluation of Mechanical Properties of Tubular Materials With Hydraulic Bulge Test for Superconducting Radio Frequency (SRF) Cavities

Publication Year: 2013, Article Sequence Number: 3500604
Cited by:  Papers (1)
| |PDF (806 KB) | HTML

The plastic constitutive equation of tubular materials under hydraulic pressure needs to be determined for the successful application of hydroforming technique to the seamless fabrication of multicell superconducting radiofrequency cavities. This paper provides the empirical constitutive properties of tubular material determined by tensile and hydraulic bulge tests. During an experimental bulge te... View full abstract»

• ### Advances in Superconducting RF Technology for the ILC

Publication Year: 2013, Article Sequence Number: 3500706
Cited by:  Papers (1)
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Superconducting radio frequency (RF) is an enabling technology for the International Linear Collider (ILC); the ILC Global Design Effort has led R&D programs to push the limits of superconducting RF cavities and associated technologies. This report summarizes the progress in development for superconducting RF cavity technology during the Technical Design Phase for the ILC since 2007. View full abstract»

• ### Fabrication of 5 T Magnet Using 2G Wires Directed at Maglev Application

Publication Year: 2013, Article Sequence Number: 3600104
Cited by:  Papers (7)
| |PDF (738 KB) | HTML

Our research target is to apply 2G wires to on-board magnets of the Maglev. The 2G wire enables conduction cooling of the magnet and reduction of the total weight of Maglev vehicles. We fabricated a small radiation shieldless magnet using 2G wires capable of generating a magnetic flux density of 5 T at 45 K. The purpose of the magnet is to demonstrate that 2G wires can realize 5 T at high temperat... View full abstract»

• ### Experimental Study of Suppressing a Parametric Resonance in a HTSC Levitation System by a Horizontal Pendulum

Publication Year: 2013, Article Sequence Number: 3600204
Cited by:  Papers (4)
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This research deals with the experimental investigation of reduction in the amplitude of nonlinear oscillation in a high-Tc superconducting magnetic levitation system by using a vibration absorber. High-Tc superconducting levitation systems have very low damping and stable levitation without control. In such low-damped systems, complicated phenomena of dynamics can be easily generated by nonlinear... View full abstract»

• ### Characteristics of Dynamic Response of Balanced and Unbalanced High-Tc Superconducting Maglev System

Publication Year: 2013, Article Sequence Number: 3600404
Cited by:  Papers (2)
| |PDF (538 KB) | HTML

Understanding the characteristics of dynamic response of a high-Tc superconducting (HTS) maglev vehicle subject to different operating conditions is of utmost importance for advancing its application in the further transportation system. Based on a reduced HTS maglev model, this paper experimentally reproduced the balanced and unbalanced conditions of on-board passengers/freight ... View full abstract»

• ### Dynamic Tests of an Optimized Linear Superconducting Levitation System

Publication Year: 2013, Article Sequence Number: 3600504
Cited by:  Papers (6)
| |PDF (895 KB) | HTML

In a superconducting magnetically levitated vehicle, the conventional wheel-rail system is substituted by a permanent magnet guideway (PMG) made with Nd-Fe-B magnets and carbon-steel interacting with bulk superconductors installed in the vehicle to promote the levitation. The main cost of this levitation system is the PMG. Two geometries that minimizes the total cost, for a given static levitation... View full abstract»

• ### Transition Between Nonlinear Oscillations of an Elastic Body Levitated Above High-Tc Superconducting Bulks

Publication Year: 2013, Article Sequence Number: 3600604
Cited by:  Papers (8)
| |PDF (240 KB) | HTML

In high-Tc superconducting magnetic levitation systems, a levitated body can keep stable levitation with no control. However, due to its low damping, the nonlinearity of the electromagnetic force can give rise to notable effects upon motion of the levitated body. Furthermore, the structure of such a levitated body can show elastic deformation if the large electromagnetic force acts on it. Thus, no... View full abstract»

• ### Superconducting Power Cable Application in DC Electric Railway Systems

Publication Year: 2013, Article Sequence Number: 3600705
Cited by:  Papers (10)
| |PDF (779 KB) | HTML

A superconducting power cable is a prospective application of high-temperature superconductors. Although power cables using Bi2223 or YBCO wires have been developed in the world so far mainly for utility grid application, we focus attention on railway application of a superconducting power cable. We have studied how to introduce superconducting power cables effectively and economically to a dc ele... View full abstract»

• ### Development of a 3D Sizing Model for All-Superconducting Machines for Turbo-Electric Aircraft Propulsion

Publication Year: 2013, Article Sequence Number: 3600805
Cited by:  Papers (6)
| |PDF (530 KB) | HTML

Distributed propulsion in aircraft brings many advantages in terms of efficiency and noise reduction. While the distribution can be done mechanically through the use of gears and transmissions, electrical propulsion allows for lower maintenance needs, higher efficiency, and lower emissions through the complete decoupling of the gas turbines and the propulsion fans. Such systems have been investiga... View full abstract»

• ### Superconducting Levitation Using Coated Conductors

Publication Year: 2013, Article Sequence Number: 3600905
Cited by:  Papers (11)  |  Patents (1)
| |PDF (855 KB) | HTML

The second-generation (2G) YBCO wire has been used for several applications, such as electric power transmission and distribution cables, fault current limiters, MagLev vehicles, electric machines, high field magnets, superconducting magnetic energy storage, etc. The main advantages of 2G wires are: high critical current density values, large scale production, lower manufacturing cost than first g... View full abstract»

• ### Study on Voltage Unbalance Improvement Using SFCL in Power Feed Network With Electric Railway System

Publication Year: 2013, Article Sequence Number: 3601004
Cited by:  Papers (2)
| |PDF (883 KB) | HTML

An electric railway system uses a single-phase source that is supplied through a Scott transformer from a three-phase transmission system. In addition, the electric railway system has rapidly changing load characteristics in time. An unbalance is generated owing to the rapidly changing large single-phase loads. Subsequently, the unbalanced load causes an unbalanced transmission line. A voltage unb... View full abstract»

• ### Emulation of a Full Scale MagLev Vehicle Behavior Under Operational Conditions

Publication Year: 2013, Article Sequence Number: 3601105
Cited by:  Papers (12)
| |PDF (854 KB) | HTML

Based on the magnetic characteristics of HTS superconductors, the group of the Laboratory of Applied Superconductivity from COPPE/UFRJ in Brazil has proposed and developed a full-scale superconducting MagLev vehicle. The levitation system of this vehicle consists of a superconducting magnetic linear bearing, which is composed of a permanent magnetic guideway (PMG) and YBCO bulks superconductors. T... View full abstract»

• ### Tests With One Module of the Brazilian Maglev-Cobra Vehicle

Publication Year: 2013, Article Sequence Number: 3601204
Cited by:  Papers (23)
| |PDF (788 KB) | HTML

Approximately a decade ago, superconducting maglev train prototypes started to be developed. Researchers from China, Germany, and Brazil have built prototypes carrying people based on superconducting levitation technology. The Brazilian MagLev project, named MagLev-Cobra, started in 2000 with a small-scale prototype that was concluded in 2006. After that, efforts toward a full-scale test vehicle f... View full abstract»

• ### Dynamic Characteristics of Magnetically Levitated Conveyer Using High $T_{c}$ SMB

Publication Year: 2013, Article Sequence Number: 3601304
Cited by:  Papers (2)
| |PDF (1094 KB) | HTML

Our group has developed a new conveyer using superconducting levitation. The conveyer is composed of a levitated table and a conveying table. The gap between levitated table and conveying table is detected by using a Hall sensor on the superconductor. The position of the table is controlled by using the PD control. In this paper, we discuss a superconducting magnetic bearing with a central superco... View full abstract»

• ### Maritime Superconductivity Perspectives

Publication Year: 2013, Article Sequence Number: 3601405
Cited by:  Papers (1)
| |PDF (189 KB) | HTML

The present paper reports on the ongoing studies into the perspectives of maritime superconductivity (SC). Maritime applications follow a similar pattern as on-shore applications when it comes to performance if the competition is weak. For large scale applications like propulsion, power supply, and other machinery, the character of an isolated energy system onboard greatly influences the perspecti... View full abstract»

• ### Design and Development of Superconducting DC Cable for Railway Applications

Publication Year: 2013, Article Sequence Number: 3601504
Cited by:  Papers (4)
| |PDF (501 KB) | HTML

We report the recent development in the national project dealing with a prototype of the next generation dc superconducting cable for railways. The main goal of the project is to upgrade the feeder of the overhead contact line system connecting the electric train with the substation. The superconducting cables are usually considered to reduce the resistive losses generated in a conventional feedin... View full abstract»

## Aims & Scope

IEEE Transactions on Applied Superconductivity contains articles on the applications of superconductivity and other relevant technology.

Full Aims & Scope

## Meet Our Editors

Editor-in-Chief
Britton L. T. Plourde
Syracuse University
bplourde@syr.edu
http://asfaculty.syr.edu/pages/phy/plourde-britton.html