Basic Research on a Magnetic Refrigeration System for Cooling to Liquid Hydrogen Temperature

Article Engineering, Electrical & Electronic

Development of Static Magnetic Refrigeration System Using Multiple High-Temperature Superconducting Coils

Naoki Hirano et al.

Summary: This study aims to develop a static magnetic refrigeration system using multiple high-temperature superconducting coils. By utilizing the energy storage characteristics of the superconducting coil, this system can repeatedly generate magnetic field changes to save energy. This article reports on the technical feasibility of a static magnetic refrigeration system using HTS coils.

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY (2022)

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Article Physics, Fluids & Plasmas

Evaluation AC Losses in Large-Scale Conductors Consisting of Stacked REBCO Tapes

Yuma Ueno et al.

Summary: In this study, stacked model conductors made of YBCO tapes were experimentally investigated to determine the relationship between hysteresis and coupling losses. It was found that hysteresis losses can be considered in terms of the magnetic field component perpendicular to the flat face of the YBCO tape, while coupling losses can be considered in terms of the magnetic field component parallel to the tape's wide surface. The coupling time constant was independent of the applied magnetic field angle, indicating that permeability in the conductor can be assumed to be the vacuum permeability.

PLASMA AND FUSION RESEARCH (2021)

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Article Engineering, Electrical & Electronic

Feasibility Study of High-Efficiency Cooling of High-Temperature Superconducting Coils by Magnetic Refrigeration

Naoki Hirano et al.

Summary: This research explores a new method for efficiently cooling high-temperature superconducting coils by combining the magnetic field generated by the superconducting coil and magnetic refrigeration technology, mainly by controlling the magnetic force produced by the superconducting coil to achieve a field change. Experimental results demonstrated that temperature changes can be obtained by inserting and removing magnetic shielding materials, offering a new approach for cooling superconducting coils.

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY (2021)

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Article Physics, Applied

An efficient 3D finite element method model based on the T-A formulation for superconducting coated conductors

Huiming Zhang et al.

SUPERCONDUCTOR SCIENCE & TECHNOLOGY (2017)

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Article Physics, Applied

Two methods of AC loss calculation in numerical modelling of superconducting coils

F. Gomory et al.

SUPERCONDUCTOR SCIENCE & TECHNOLOGY (2017)

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Article Thermodynamics

Magnetic heat pumps: An overview of design principles and challenges

Paulo V. Trevizoli et al.

SCIENCE AND TECHNOLOGY FOR THE BUILT ENVIRONMENT (2016)

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Article Physics, Applied

Electromagnetic modeling of REBCO high field coils by the H-formulation

Jing Xia et al.

SUPERCONDUCTOR SCIENCE & TECHNOLOGY (2015)

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Basic Research on a Magnetic Refrigeration System for Cooling to Liquid Hydrogen Temperature

Related references

Development of Static Magnetic Refrigeration System Using Multiple High-Temperature Superconducting Coils

Evaluation AC Losses in Large-Scale Conductors Consisting of Stacked REBCO Tapes

Feasibility Study of High-Efficiency Cooling of High-Temperature Superconducting Coils by Magnetic Refrigeration

An efficient 3D finite element method model based on the T-A formulation for superconducting coated conductors

Two methods of AC loss calculation in numerical modelling of superconducting coils

Magnetic heat pumps: An overview of design principles and challenges

Electromagnetic modeling of REBCO high field coils by the H-formulation

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