Search

Results: 634

Cover Image for Scenes of hurt and rapture

EF Wilson

Jan 27, 2017

Céline Sciamma as writer and director is peculiarly attentive to sensory detail, what things feel like, how they can be touched. This attention can be felt through her collaborative work with director of photography Crystel...

dramatic arts film Sciamma Céline(1980- ) Bande de filles(2014) Girlhood girls Black women

Published by:

View Article

AC Loss Characterization of HTS Pancake and Solenoid Coils Carrying Nonsinusoidal Currents

Mohammad Yazdani-Asrami, Wenjuan Song, Xiaoze Pei, Min Zhang, Weijia Yuan

Aug 01, 2020

Application of high-temperature superconducting devices become promising in power networks, and transportation, including ship, train, and electric aircraft propulsion systems, with the advantages of light weight, compact...

AC loss H formulation double pancake coil (DPC) nonsinusoidal currents single pancake coil (SPC) solenoid coil (SNC) /dk/atira/pure/subjectarea/asjc/2500/2504 name=Electronic, Optical and Magnetic Materials /dk/atira/pure/subjectarea/asjc/3100/3104 name=Condensed Matter Physics /dk/atira/pure/subjectarea/asjc/2200/2208 name=Electrical and Electronic Engineering

Published by:

View Article

AC Loss in High-Temperature Superconducting Bulks Subjected to Alternating and Rotating Magnetic Fields.

Wafa Ali Soomro, Youguang Guo, Haiyan Lu, Jianxun Jin, Boyang Shen, Jianguo Zhu

Feb 21, 2023

High-temperature superconductor (HTS) bulks have demonstrated extremely intriguing potential for industrial and commercial applications due to their capability to trap significantly larger magnetic fields than conventional...

AC loss HTS bulks high-temperature superconductors rotating magnetic fields

Published by:

View Article

Effect of winding methods

J Zhao, SY Gao, BH Wu, XS Yang, B Shen, W Chen, Y Zhao

Oct 07, 2022

Abstract AC losses undoubtedly increase the burden on the cooling system and affect the overall performance of high-temperature superconducting (HTS) cables. Therefore, AC losses...

HTS conductor AC loss CORC coil magnet winding method

Published by:

View Article

Total AC loss study of 2G HTS coils for fully HTS machine applications

Min Zhang, Weijia Yuan, Jozef Kvitkovic, Sastry Pamidi

Sep 29, 2015

The application of HTS coils for fully HTS machines has become a new research focus. In the stator of an electrical machine, HTS coils are subjected to a combination of an AC applied current and AC external magnetic field....

2G HTS AC loss fully HTS machine numerical modeling

Published by:

View Article

Measurements and calculations of transport AC loss in second generation high temperature superconducting pancake coils

Weijia Yuan, T A Coombs, J H Kim, C H Kim, J Kvitkovic, S Pamidi

Dec 01, 2011

Theoretical and experimental AC loss data on a superconducting pancake coil wound using second generation (2 G) conductors are presented. An anisotropic critical state model is used to calculate critical current and the AC...

Published by:

View Article

AC Loss Characterization of HTS Pancake and Solenoid Coils Carrying Nonsinusoidal Currents

Mohammad Yazdani-Asrami, Wenjuan Song, Xiaoze Pei, Min Zhang, Weijia Yuan

Aug 01, 2020

Published by:

View Article

Structural basis of Ac-SDKP hydrolysis by Angiotensin-I converting enzyme

Geoffrey Masuyer, Ross G. Douglas, Edward D. Sturrock, K. Ravi Acharya

Sep 25, 2015

Angiotensin-I converting enzyme (ACE) is a zinc dipeptidylcarboxypeptidase with two active domains and plays a key role in the regulation of blood pressure and electrolyte homeostasis, making it the principal target in the...

/dk/atira/pure/sustainabledevelopmentgoals/good_health_and_well_being name=SDG 3 - Good Health and Well-being

Published by:

View Article

Total AC loss study of 2G HTS coils for fully HTS machine applications

Min Zhang, Weijia Yuan, Jozef Kvitkovic, Sastry Pamidi

Sep 29, 2015

2G HTS AC loss fully HTS machine numerical modeling

Published by:

View Article

AC Transport Loss in Superconductors Carrying Harmonic Current with Different Phase Angles for Large Scale Power Components

Mohammad Yazdani-Asrami, Wenjuan Song, Min Zhang, Weijia Yuan, Xiaoze Pei

Jan 31, 2021

It is of great industrial interest and academic importance to investigate current harmonics impacts on AC losses of superconductors, especially in large-scale power devices. However, only effect of amplitude of in-phase...

AC loss harmonic phase angle higherature superconducting (HTS) tapes nonsinusoidal current /dk/atira/pure/subjectarea/asjc/2500/2504 name=Electronic, Optical and Magnetic Materials /dk/atira/pure/subjectarea/asjc/3100/3104 name=Condensed Matter Physics /dk/atira/pure/subjectarea/asjc/2200/2208 name=Electrical and Electronic Engineering

Published by:

View Article

Resistive Superconducting Fault Current Limiter AC Loss Measurements and Analysis

Xiaoze Pei, Xianwu Zeng, Alexander C. Smith, Daniel Malkin

Jun 30, 2016

Resistive superconducting fault current limiters (SFCLs) offer the advantages of low weight and compact structure. Multistrand magnesium diboride (MgB₂) wire can be used in the SFCL coil design to increase the...

AC losses FE model Multi-strand superconductors /dk/atira/pure/subjectarea/asjc/2200/2208 name=Electrical and Electronic Engineering /dk/atira/pure/subjectarea/asjc/3100/3104 name=Condensed Matter Physics /dk/atira/pure/subjectarea/asjc/2500/2504 name=Electronic, Optical and Magnetic Materials

Published by:

View Article

LEDs driven by AC without transformers or rectifiers.

Robin W Hughes, Mark Warner

Jan 04, 2021

We explore the driving of LEDs by untransformed AC. An extreme case is driving 1.9 V threshold (red) LEDs with UK mains, peak voltage 325 V. Commonly, driving is by transformed, rectified (DC) supply with a series resistor...

Published by:

View Article

Structural basis of Ac-SDKP hydrolysis by Angiotensin-I converting enzyme

Geoffrey Masuyer, Ross G. Douglas, Edward D. Sturrock, K. Ravi Acharya

Sep 25, 2015

/dk/atira/pure/sustainabledevelopmentgoals/good_health_and_well_being name=SDG 3 - Good Health and Well-being

Published by:

View Article

LEDs driven by AC without transformers or rectifiers

Robin W. Hughes, Mark Warner

Jan 13, 2021

Abstract: We explore the driving of LEDs by untransformed AC. An extreme case is driving 1.9 V threshold (red) LEDs with UK mains, peak voltage 325 V. Commonly, driving is by transformed, rectified (DC) supply with a series...

article /639/766/25 /639/166/987 article

Published by:

View Article

Measurements and calculations of transport AC loss in second generation high temperature superconducting pancake coils

Weijia Yuan, T A Coombs, J H Kim, C H Kim, J Kvitkovic, S Pamidi

Dec 01, 2011

Published by:

View Article

15% reduction in AC loss of a 3-phase 1 MVA HTS transformer by exploiting asymmetric conductor critical current

Zhenan Jiang, Wenjuan Song, Xiaoze Pei, Jin Fang, Rodney A Badcock, Stuart C Wimbush

Feb 04, 2021

An asymmetric dependence of the critical current on the direction of an applied magnetic field in HTS coated conductors has a non-trivial influence on the AC loss of coil windings. We report the modelled influence of real...

Acloss Asymmetric critical current Hts transformer ReBCO coated conductors /dk/atira/pure/subjectarea/asjc/3100/3100 name=General Physics and Astronomy

Published by:

View Article

AC Transport Loss in Superconductors Carrying Harmonic Current with Different Phase Angles for Large Scale Power Components

Mohammad Yazdani-Asrami, Wenjuan Song, Min Zhang, Weijia Yuan, Xiaoze Pei

Jan 31, 2021

Published by:

View Article

AC Losses measurement and analysis for a 2G YBCO coil in metallic containment vessels

Xiaoze Pei, Alexander C. Smith, Mike Barnes

Jun 01, 2017

AC losses in high temperature superconductors (HTS) are an important design parameter for large scale power applications. It is often necessary to have a metallic containment vessel to house the superconducting element in a...

AC losses containment vessel Eddy current loss hysteresis loss skin effect

Published by:

View Article

AC Losses measurement and analysis for a 2G YBCO coil in metallic containment vessels

Xiaoze Pei, Alexander C. Smith, Mike Barnes

Jun 01, 2017

AC losses containment vessel Eddy current loss hysteresis loss skin effect

Published by:

View Article

Resistive Superconducting Fault Current Limiter AC Loss Measurements and Analysis

Xiaoze Pei, Xianwu Zeng, Alexander C. Smith, Daniel Malkin

Jun 30, 2016

Published by:

View Article

Application of Flux Diverters in High Temperature Superconducting Transformer Windings for AC Loss Reduction

Xinyu Fang, Xilian Wang, Yueming Sun, Wenjuan Song, Xiaoze Pei, Zhenan Jiang, Rodney Badcock, Nicholas Long, Jin Fang

Nov 30, 2021

Flux diverters (FDs) are used in High Temperature Superconducting (HTS) transformers for AC loss reduction and flux optimization. In this paper, a 2D axial symmetric superconducting winding model is proposed and two designs...

AC loss analysis Concentric Windings Hts transformer magnetic flux analysis /dk/atira/pure/subjectarea/asjc/2500/2504 name=Electronic, Optical and Magnetic Materials /dk/atira/pure/subjectarea/asjc/3100/3104 name=Condensed Matter Physics /dk/atira/pure/subjectarea/asjc/2200/2208 name=Electrical and Electronic Engineering

Published by:

View Article

InGaN as a Substrate for AC Photoelectrochemical Imaging.

Bo Zhou, Anirban Das, Menno J Kappers, Rachel A Oliver, Colin J Humphreys, Steffi Krause

Jan 09, 2020

AC photoelectrochemical imaging at electrolyte-semiconductor interfaces provides spatially resolved information such as surface potentials, ion concentrations and electrical impedance. In this work, thin films of InGaN/GaN were...

InGaN/GaN epilayer cell imaging light-activated electrochemistry light-addressable potentiometric sensor photoelectrochemistry

Published by:

View Article

Experimental Test and Analysis of AC Losses in Multifilamentary MgB <sub>2</sub> Wire

Jiawen Xi, Xiaoze Pei, Jie Sheng, Hideki Tanaka, Yota Ichiki, Min Zhang, Weijia Yuan

Aug 01, 2019

AC losses in superconductors are essential for the design of cooling system for large scale power applications. Magnesium diboride (MgB ₂ ) superconducting wires have been investigated and manufactured over the...

/dk/atira/pure/subjectarea/asjc/2500/2504 name=Electronic, Optical and Magnetic Materials /dk/atira/pure/subjectarea/asjc/3100/3104 name=Condensed Matter Physics /dk/atira/pure/subjectarea/asjc/2200/2208 name=Electrical and Electronic Engineering

Published by:

View Article

AC Loss Calculation on a 6.5 MVA/25 kV HTS Traction Transformer with Hybrid Winding Structure

Wenjuan Song, Zhenan Jiang, Mike Staines, Stuart Wimbush, Rodney Badcock, Jin Fang

Jun 01, 2020

HTS wire cost is a critical factor for successful commercialization of HTS traction transformer technology. Wire cost might be min-imized without significantly increasing AC loss by introducing a hybrid winding structure: the...

AC loss hybrid winding structure traction transformer wire cost /dk/atira/pure/subjectarea/asjc/2500/2504 name=Electronic, Optical and Magnetic Materials /dk/atira/pure/subjectarea/asjc/3100/3104 name=Condensed Matter Physics /dk/atira/pure/subjectarea/asjc/2200/2208 name=Electrical and Electronic Engineering

Published by:

View Article

AC Loss Calculation on a 6.5 MVA/25 kV HTS Traction Transformer with Hybrid Winding Structure

Wenjuan Song, Zhenan Jiang, Mike Staines, Stuart Wimbush, Rodney Badcock, Jin Fang

Jun 01, 2020

Published by: