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相关论文: AC Loss Computation in Large-Scale Low-Temperature…

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Numerical modeling of superconductors is widely recognized as a powerful tool for interpreting experimental results, understanding physical mechanisms and predicting the performance of high-temperature superconductor (HTS) tapes, wires and…

超导电性 · 物理学 2013-06-27 Francesco Grilli , Enric Pardo , Antti Stenvall , Doan N. Nguyen , Weijia Yuan , Fedor Gömöry

AC losses in a high temperature superconducting (HTS) insert coil for a 25-T cryogen-free superconducting magnet are numerically calculated during its energization, assuming slab approximation. The HTS insert coil consists of 68 single…

超导电性 · 物理学 2014-06-02 K. Kajikawa , S. Awaji , K. Watanabe

AC losses in conductor-on-rounded-core (CORC) cables of YBCO high-temperature superconducting (HTS) tapes are a significant challenge in HTS power applications. This study employs two finite element analysis (FEA) models to investigate the…

超导电性 · 物理学 2023-06-08 Linh N. Nguyen , Nathaniel Shields , Stephen Ashworth , Doan N. Nguyen

The estimation of losses in high-temperature superconductors (HTS) is fundamental during the design of superconducting devices since losses can strongly influence the cooling system requirements and operating temperature. Typically, 2D…

超导电性 · 物理学 2021-03-29 Carlos Roberto Vargas-Llanos , Francesco Grilli

In this paper we derive the integral equations for radially and polygonally arranged high-temperature superconductor thin tapes and we solve them by finite-element method. The superconductor is modeled with a non-linear power law, which…

超导电性 · 物理学 2013-06-26 Roberto Brambilla , Francesco Grilli , Luciano Martini

Many applications, such as magnets and SMES, are usually charged and discharged under a bias DC current, which may increase the AC loss. For their design, it is necessary to understand and predict the AC loss. This article analises the AC…

超导电性 · 物理学 2014-05-26 Enric Pardo

Fully superconducting machines provide the high power density required for future electric aircraft propulsion. However, superconducting windings generate AC losses in AC electrical machine environments. These AC losses are difficult to…

应用物理 · 物理学 2019-12-04 Fangjing Weng , Min Zhang , Tian Lan , Yawei Wang , Weijia Yuan

Material research is a key frontier in advancing superconducting qubit and circuit performance. In this work, we develop a simple and broadly applicable framework for accurately characterizing two-level system (TLS) loss using internal…

超导电性 · 物理学 2025-07-17 Guy Moshel , Sergei Masis , Moshe Schechter , Shay Hacohen-Gourgy

Modelling high temperature superconductor (HTS) motors remains challenging mainly due to the high aspect ratio of these conductors but also because of the properties of the magnetic materials. This paper presents a 2D time dependent model…

Superconducting resonators are widely used in many applications such as qubit readout for quantum computing, and kinetic inductance detectors. These resonators are susceptible to numerous loss and noise mechanisms, especially the…

超导电性 · 物理学 2023-11-30 Tamin Tai , Jingnan Cai , Steven M. Anlage

With the recent progresses on the designing and manufacturing of lightweight and high engineering current density superconducting cables, the need for an established, fast, and sufficiently accurate computational model for the forecasting…

超导电性 · 物理学 2023-05-03 M. Clegg , H. S. Ruiz

A homogenization method to model a stack of second generation (2G) High Temperature Superconducting (HTS) tapes under AC applied transport current or magnetic field has been obtained. The idea is to find an anisotropic bulk equivalent for…

One of the main tasks during the design of a superconducting electrical machine is the estimation of losses in the superconducting coils. These losses can be decisive in such applications since they influence the cooling power requirements…

We aim to demonstrate an efficient method to calculate the AC losses in multi-pancake coils. This method extends Yuan front-track model into several pancake application and investigates the detail parameters in comparison with established…

超导电性 · 物理学 2015-03-13 Huiming Zhang , Min Zhang , Weijia Yuan

The performance of superconducting circuits for quantum computing is limited by materials losses. In particular, coherence times are typically bounded by two-level system (TLS) losses at single photon powers and millikelvin temperatures.…

The modeling and analysis of superconducting coils is an essential task in the design stage of most devices based on high-temperature superconductors (HTS). These calculations allow verifying basic estimations and assumptions, proposing…

超导电性 · 物理学 2022-06-28 Carlos Roberto Vargas-Llanos , Felix Huber , Nicolo Riva , Min Zhang , Francesco Grilli

For an accurate estimation of the AC losses of superconducting triaxial cables, we present a 2D model capable to provide a global assessment of multi-layer triaxial cables, validated against the AC-losses on single-phase cables provided by…

超导电性 · 物理学 2022-10-21 M. Clegg , H. S. Ruiz

Numerical models are powerful tools to predict the electromagnetic behavior of superconductors. In recent years, a variety of models have been successfully developed to simulate high-temperature-superconducting (HTS) coated conductor tapes.…

超导电性 · 物理学 2016-02-17 Loïc Quéval , Víctor M. R. Zermeño , Francesco Grilli

Measurements of AC losses in a HTS-tape placed in between of two bulk magnetic shields of high permeability were performed by applying calorimetric techniques for various asymmetrical shielding arrangements. The experiment was supported by…

超导电性 · 物理学 2018-04-09 S. T. Ranecky , H. Watanabe , J. Ogawa , T. Oka , D. Goelden , L. Alff , Y. A. Genenko

AC losses in High Temperature Superconductor tapes (HTS) are an important design parameter for large scale power applications. The electrical method is often used for losses measurements on SC tapes and, when the results are to be compared…

超导电性 · 物理学 2018-09-20 L. Morici , E. Tamburo De Bella , G. Messina
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