Search Results - "Choi, Yeon Suk"

Characteristics of Conduction-Cooled Binary Current Leads Used in Cryogen-Free Probe Station by Su Kim, Myung, Suk Choi, Yeon

“…The binary current lead cooled by a two-stage cryocooler for an NbTi superconducting magnet used in cryogenic probe station was designed, fabricated, and…”
Get full text

Thermal-quench behavior of non-insulated high-temperature superconducting (HTS) racetrack pancake coil with cooling channels through the epoxy surface by Mohamed Mussa, Mtangi, Sung Noh, Hyun, Kwon, Dawool, Ryu, Yunyeol, Suk Choi, Yeon, Lee, Haigun

“…•The cooling channels through epoxy impregnated racetrack pancake coil were successfully made.•The cooling channels improve the cooling rate of the epoxy…”
Get full text

Solution-processable thermally conductive polymer composite adhesives of benzyl-alcohol-modified boron nitride two-dimensional nanoplates by Jung, Dae-Woong, Kim, Jun Min, Yoon, Hyun-Woo, Nam, Ki Min, Kwon, Yong-Eun, Jeong, Sooyeol, Baek, Young Hee, Choi, Yeon Suk, Chang, Sung-Jin, Yi, Gi-Ra, Cho, Jung Young, Lee, Gaehang

“…[Display omitted] •Benzyl alcohol was introduced on a BN surface by π-stacking.•The high miscibility of B-BN with the epoxy improved κ of the composite.•The…”
Get full text

HTS Current Lead With Varying Cross-Sectional Area for Superconducting Magnet Systems by Song, Seunghyun, Choi, Yojong, Kim, Myung Su, Choi, Yeon Suk

“…A HTS (High temperature superconductor) current lead, which provides an electrical connection between a power supply and a superconducting magnet, needs to be…”
Get full text

Active De-Excitation System Using Magnetically Coupled Secondary Coil and Charged Capacitor for Fault Protection of Superconducting Coils by Choi, Yojong, Song, Seunghyun, Kim, Myung Su, Jang, Jae Young, Choi, Yeon Suk

“…Coils excited for high magnetic fields have large discharging time constants owing to high inductance and low resistance for large operating currents. This…”
Get full text

Performance Evaluation of Current Leads for a 5 Tesla Electromagnetic Properties Measurement System by Kim, Myung Su, Jang, Jae Young, Hwang, Young Jin, Choi, Yeon Suk

“…The development of the Electromagnetic Property Measurement System is underway at the Korea Basic Science Institute. The Electromagnetic Property Measurement…”
Get full text

Development of a Cryogen-Free Compact 3 T Superconducting Magnet for an Electromagnetic Property Measurement System by Jang, Jae Young, Kim, Myung Su, Hwang, Young Jin, Song, Seunghyun, Choi, Yojong, Choi, Yeon Suk

“…A cryogen-free portable 3 T high-temperature superconducting magnet for an electromagnetic property measurement system has been developed to serve as a user…”
Get full text

A Study on Electrical Characteristics of Multilayered Metallic-Insulation Coils by Yang, Dong Gyu, Song, Jung-Bin, Choi, Yoon Hyuck, Kim, Seong-Gyeom, Choi, Yeon Suk, Lee, Haigun

“…This paper presents results, both experimental and analytical, on the electrical characteristics of GdBCO singlepancake coils co-wound with a number of copper…”
Get full text

Development of Conduction-Cooled Cryostat for Superconducting Probe Station by Kim, Myung Su, Park, Seung-Young, Choi, Yeon Suk

“…A conduction-cooled cryostat has been developed for NbTi superconducting magnet used in a cryogenic probe station. In a cryogenic probe station, a sample stage…”
Get full text

Low Temperature Superconducting Magnet Connected to a Cryocooler by Conductive Link by Choi, Yeon Suk, Kim, Myung Su

“…A low-temperature superconducting (LTS) magnet cooled by a cryocooler has been designed, fabricated, and tested for lab-scale material control device. The…”
Get full text

Performance test of current lead cooled by a cryocooler in low temperature superconducting magnet system by Choi, Yeon Suk, Kim, Myung Su

“…•The current lead with multi-contact connector in the joint was fabricated for performance test.•The electrical contact resistance in the joint was measured…”
Get full text

Study on Thermal-Quench Behaviors of GdBCO Coils Wound With Silicon Grease as an Insulation Material by Kim, Seong-Gyeom, Choi, Yoon Hyuck, Yang, Dong Gyu, Jeong, Seol-Hee, Kim, Ji Hyung, Kim, Ho-Min, Choi, Yeon Suk, Lee, Haigun

“…This paper investigated quench initiation and propagation characteristics of grease insulation coils by conducting thermal-quench tests for two GdBCO…”
Get full text

The Basic Dielectric Characteristics of Insulating Materials for HTS DC Cable System by Kim, Hae-Jong, Cho, Jeon-Wook, Kim, Woo-Jin, Choi, Yeon Suk, Kim, Sang-Hyun

“…One of the expected systems on the power transmission aspect of high capacity and lower loss is the high-temperature superconducting (HTS) dc cable system. In…”
Get full text

Processing Parameters that Affect the Tolerable Bending Diameter of Reacted MgB2 Wires by Yoo, Byeongha, Kim, Young-Gyun, Kim, Jiman, Jang, Sehoon, Hwang, Duck Young, Lee, Jung Tae, Choi, Yeon Suk, Hahn, Seungyong, Lee, Haigun

“…In this study, tolerable bending diameters of reacted MgB 2 wires fabricated to produce varying outer sheath materials, numbers of MgB 2 filaments, and sheath…”
Get full text

Electrical and Mechanical Characteristics of Insulating Materials for HTS DC Cable and Cable Joint by Kim, Woo-Jin, Kim, Hae-Jong, Cho, Jeon-Wook, Choi, Yeon Suk, Kim, Sang-Hyun

“…A high-temperature superconducting (HTS) dc cable system consists of cable, termination, and cable joint. Polypropylene laminated paper (PPLP) and epoxy have…”
Get full text

Continuous Cooling System for Superconducting Magnets Using a Cryocooler by Choi, Yeon Suk, Kim, Myung Su, Park, Seung-young

“…A continuous cooling system has been designed, fabricated, and tested for superconducting magnet applications. The objective of this paper is the development…”
Get full text

Insulation Characteristics of PPLP and Design of 250 kV Class HTS DC Cable by Kim, Woo-Jin, Kim, Hae-Jong, Cho, Jeon-Wook, Lee, Haigun, Choi, Yeon Suk, Kim, Sang-Hyun

“…The development of high temperature superconducting (HTS) dc cable system has been promoted for the land long-term high-capacity power transmissions, submarine…”
Get full text

Thermal property measurement of insulating material used in HTS power device by Choi, Yeon Suk, Kim, Dong Lak

“…► A new concept of measurement apparatus is developed to estimate thermal property of insulating material. ► For a given heat flux, temperature distribution in…”
Get full text

Intermediate Joint of Current Lead in Conduction-Cooled Superconducting Magnet System by Choi, Yeon Suk, Kim, Myung Su, Kim, Dong Lak

“…The semi-retractable current lead is composed of a normal metal element, conducting the current from room temperature to intermediate temperature, and a…”
Get full text

Progress on the Development of a 5 T HTS Insert Magnet for GHz Class NMR Applications by Yeon Suk Choi, Dong Lak Kim, Hahn, S Y

“…The Korea Basic Science Institute (KBSI) has initiated the development of a 5 T HTS insert magnet system. The objective of this program is the design and…”
Get full text