On the future sustainable ultra-high-speed maglev: An energy-economical superconducting linear thrusting system

F Dong, L Hao, D Park, Y Iwasa, Z Huang - Energy Conversion and …, 2023 - Elsevier
Along with 1000-km/h magnetically levitated trains (maglevs), an era of future traveling is
approaching. With only∼ 1/5 energy consumption per passenger kilometer while achieving …

Highly porous superconductors: synthesis, research, and prospects

DM Gokhfeld, MR Koblischka… - Physics of Metals and …, 2020 - Springer
This paper presents a review of studies of superconductors with a porosity above 50%. The
pores in such superconducting materials allow refrigerant penetration and provide efficient …

On the future sustainable ultra-high-speed maglev: A superconductor magnet technology enabling high energy efficiency and robustness

F Dong, D Park, Z Huang, M Wang, Y Iwasa - Energy Conversion and …, 2024 - Elsevier
The blooming ultrahigh-speed SC maglev (superconducting magnetically levitated train)
prompts green travel worldwide. We utilized high-temperature superconductor (HTS) …

Optimizing trapped field in superconductors with perforations

DM Gokhfeld, AN Maksimova, VA Kashurnikov… - … and its Applications, 2022 - Elsevier
The use of artificial holes can improve the performance of high-temperature bulk
superconductors. We report the results of Monte Carlo simulations of the trapped magnetic …

Trapped field in superconductors with perforations

AN Maksimova, VA Kashurnikov, AN Moroz… - … of Superconductivity and …, 2022 - Springer
Abstract The Monte Carlo method has been used to calculate the trapped magnetic field in
superconducting plates with holes. The mechanism of flux pinning on the holes is …

Flux Pinning Docking Interfaces in satellites using superconducting foams as trapped field magnets

MR Koblischka, A Koblischka-Veneva… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
Flux-Pinning Docking Interfaces (FPDI) in satellite systems were developed using bulk
superconductors and permanent magnets in previous works. However, such FPDIs have …

Magnetic flux trapping in porous high-Tc superconductors

D Gokhfeld - Physica C: Superconductivity and its Applications, 2024 - Elsevier
Porosity affects the properties of high-T c superconductors and can improve their
performance by enhancing oxygenation, cryocooling, etc. Among other factors, the presence …

Developing a Concept of an Effective Field in the Intergrain Medium of a Granular Superconductor: Effect of the Intragrain Meissner Currents and Abrikosov Vortices …

DA Balaev, SV Semenov, DM Gokhfeld - Journal of Superconductivity and …, 2023 - Springer
Granular high-temperature superconductors (HTSs) are characterized by the hysteretic field
dependences of magnetoresistance R (H) and critical current IC (H). These hysteretic effects …

Microstructural parameters for modelling of superconducting foams

MR Koblischka, A Koblischka-Veneva, Q Nouailhetas… - Materials, 2022 - mdpi.com
Superconducting YBa 2 Cu 3 O y (YBCO) foams were prepared using commercial open-cell,
polyurethane foams as starting material to form ceramic Y 2 BaCuO 5 foams which are then …

Relaxation of the trapped magnetic flux in a mesoscopic HTS with artificial pinning in the form of submicron holes

AN Maksimova, DM Gokhfeld, AN Moroz… - Chinese Journal of …, 2024 - Elsevier
Vortex relaxation has been studied in a microsized HTS with various distributions of artificial
pinning in the form of submicro-holes. It has been shown that, in some cases, for a …