Search Results - "Yeom, Hankil"
-
1
Harmonic errors of a 9.4 T all-REBCO NMR magnet affected by screening current and geometric inconsistency of coated conductors
Published in Scientific reports (19-08-2024)“…REBa 2 Cu 3 O 7 - x (REBCO, RE = rare earth)-coated conductor is a competitive option in terms of current-carrying capacity and high-stress durability in…”
Get full text
Journal Article -
2
Author Correction: Harmonic errors of a 9.4 T all-REBCO NMR magnet affected by screening current and geometric inconsistency of coated conductors
Published in Scientific reports (15-10-2024)Get full text
Journal Article -
3
Design and Performance Test of 2 kW Class Reverse Brayton Cryogenic System
Published in Energies (Basel) (01-10-2020)“…With the increased commercialization of high-temperature superconducting (HTS) power cables cooled using liquid nitrogen and the use of liquefied natural gas…”
Get full text
Journal Article -
4
Development and Long-Term Test of a Compact 154-kV SFCL
Published in IEEE transactions on applied superconductivity (01-06-2019)“…A compact 154-kV superconducting fault current limiters (SFCL) system has been developed by Korea Electric Power Corporation and led to a primary prototype…”
Get full text
Journal Article -
5
A Study on Mitigation of Screening Current Induced Field with a 3-T 100-mm Conduction-Cooled Metallic Cladding REBCO Magnet
Published in IEEE transactions on applied superconductivity (01-06-2017)“…A 3-T 100-mm winding bore conduction-cooled REBCO magnet has been designed, constructed, and tested. It consists of a stack of double pancake coils wound with…”
Get full text
Journal Article -
6
Experimental Study on a Conduction Cooling System for an HTS NMR Magnet
Published in IEEE transactions on applied superconductivity (01-06-2017)“…A nuclear magnetic resonance (NMR) magnet composed of a high-temperature superconductor (HTS) is expected to contribute to a smaller size and a higher magnetic…”
Get full text
Journal Article -
7
Experimental Study on Vaporization of Subcooled Liquid Nitrogen by Instantaneous Heat Generation in LN2 Chamber for HTS-FCL
Published in IEEE transactions on applied superconductivity (01-06-2015)“…It is one of important design issues in the high-temperature superconducting fault current limiter (HTS-FCL) to estimate how much liquid nitrogen vaporizes…”
Get full text
Journal Article -
8
Study on Thermal Response to Instantaneous Heat Generation in LN2 Chamber for HTS-FCL
Published in IEEE transactions on applied superconductivity (01-06-2013)“…This paper describes the thermal response of a high-temperature superconducting (HTS) wire model to instantaneous heat generation in a pressurized liquid…”
Get full text
Journal Article Conference Proceeding -
9
An Effect of HTS Wire Configuration on Quench Recovery Time in a Resistive SFCL
Published in IEEE transactions on applied superconductivity (01-06-2013)“…We experimentally investigated the correlation between the high-temperature superconducting (HTS) wires configuration in an HTS element and recovery time after…”
Get full text
Journal Article Conference Proceeding -
10
Stress Analysis for Toroid-Type HTS SMES Coil and Bobbin Structure Considering Large Parallel Magnetic Field
Published in IEEE transactions on applied superconductivity (01-06-2011)“…A 2.5 MJ HTS superconducting magnetic energy storage (SMES) system is under development to compensate the sag or instantaneous black out for a utility side…”
Get full text
Journal Article Conference Proceeding -
11
Design for In-Field Critical Current Measurement System With 102 Mm 15 T Background Magnet
Published in IEEE transactions on applied superconductivity (01-08-2024)“…The critical current of a High-Temperature Superconductor (HTS) tape varies with temperature, external magnetic field magnitude, and field angle. However,…”
Get full text
Journal Article -
12
The design and testing of a kW-class free-piston Stirling engine for micro-combined heat and power applications
Published in Applied thermal engineering (05-01-2020)“…•Developed free-piston Stirling engine (FPSE) with a dual-opposed alternator.•Described design methodology of the FPSE.•Demonstrated that the FPSE…”
Get full text
Journal Article -
13
Development of a large capacity cryopump equipped with a two-stage GM cryocooler
Published in Applied thermal engineering (25-11-2022)“…•A 20-inch cryopump including a two-stage GM cryocooler has been developed.•Design methodologies behind the GM cryocooler and cryopump have been addressed.•The…”
Get full text
Journal Article -
14
Performance tests of high temperature superconducting power cable cooling system
Published in IEEE transactions on applied superconductivity (01-06-2004)“…A high temperature superconducting power cable requires forced flow cooling. Liquid nitrogen is circulated by a pump and cooled down by a subcooling system…”
Get full text
Journal Article Conference Proceeding -
15
Free-piston Stirling cryocooler (FPSC) for low-temperature applications down to 110 K
Published in International journal of refrigeration (01-09-2020)“…•Development of free-piston Stirling cryocooler (FPSC) with linear compressor.•Demonstration that the FPSC absorbs 1.03 kW heat at 110 K cold-end temperature…”
Get full text
Journal Article -
16
Development and parametric study of a 1kW class free-piston stirling cryocooler (FPSC) driven by a dual opposed linear compressor for LNG (Re)liquefaction
Published in International journal of refrigeration (01-08-2019)“…•Developed free-piston stirling cryocooler (FPSC) and tested for LNG (re)liquefaction.•Developed numerical model that reflects a damping effect on the…”
Get full text
Journal Article -
17
Genetic-Algorithm-Based Room-Temperature Shimming and Long-Term Operational Protocol for a KBSI 400 MHz all-HTS NMR Magnet
Published in IEEE transactions on applied superconductivity (01-08-2024)“…We report room-temperature (RT) shimming results and a long-term operational protocol for a Korea Basic Science Institute (KBSI) 400 MHz high-temperature…”
Get full text
Journal Article -
18
Experimental Study on a Current Sweep Method Combined With Thermal Cycle for Mitigation of Screening Current-Induced Field in a Conduction-Cooled REBCO Magnet
Published in IEEE transactions on applied superconductivity (01-08-2024)“…Given that REBCO wire is typically manufactured as a tape, it is possible for REBCO magnets to exhibit a relatively larger screening current-induced field…”
Get full text
Journal Article -
19
Performance test of gas by-pass type thermal error controller
Published in 2008 International Conference on Control, Automation and Systems (01-10-2008)“…In accordance with the trend for high-speed and multi-axes of machine tools, thermal deformation has become an important factor in the accuracy of machine…”
Get full text
Conference Proceeding