Search Results - "Yeom, Hankil"

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  1. 1

    Harmonic errors of a 9.4 T all-REBCO NMR magnet affected by screening current and geometric inconsistency of coated conductors by Bang, Jeseok, Kim, Jaemin, Jang, Jae Young, Ahn, Minchul, Hwang, Young Jin, Kim, Kwangmin, Kim, Youngil, Ku, Myunghwan, Lee, Hunju, In, Sehwan, Hong, Yong-Ju, Yeom, Hankil, Lee, Jung Tae, Yang, Hongmin, Hahn, Seungyong, Lee, SangGap

    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…”
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    Journal Article
  2. 2
  3. 3

    Design and Performance Test of 2 kW Class Reverse Brayton Cryogenic System by Lee, Keuntae, Koh, Deuk-Yong, Ko, Junseok, Yeom, Hankil, Son, Chang-Hyo, Yoon, Jung-In

    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…”
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    Journal Article
  4. 4

    Development and Long-Term Test of a Compact 154-kV SFCL by Han, Young-Hee, Yang, Seongeun, Kim, Heesun, Park, Byung-Jun, Yu, Jaeun, Kim, Hye-Rim, In, Sewhan, Hong, Yong-Ju, Yeom, Hankil

    “…A compact 154-kV superconducting fault current limiters (SFCL) system has been developed by Korea Electric Power Corporation and led to a primary prototype…”
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    Journal Article
  5. 5

    A Study on Mitigation of Screening Current Induced Field with a 3-T 100-mm Conduction-Cooled Metallic Cladding REBCO Magnet by Hwang, Young Jin, Hahn, Seungyong, Lee, SangGap, Jang, Jae Young, Han, Jun Hee, Lee, Hunju, Kim, Jaemin, Yeom, Hankil, Yoon, Sangwon, Kim, Kyungmin, Ahn, Min Cheol

    “…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…”
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    Journal Article
  6. 6

    Experimental Study on a Conduction Cooling System for an HTS NMR Magnet by In, Sehwan, Hong, Yong-Ju, Yeom, Hankil, Ko, Junseok, Kim, Hyo-Bong, Park, Seong-Je, Yoon, Sangwon, Cheon, Kyekun, Jang, Jae Young, Hwang, Young Jin, Lee, SangGap

    “…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…”
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    Journal Article
  7. 7

    Experimental Study on Vaporization of Subcooled Liquid Nitrogen by Instantaneous Heat Generation in LN2 Chamber for HTS-FCL by In, Sehwan, Yeom, Hankil, Ko, Junseok, Hong, Yong-Ju, Kim, Hyobong, Park, Seong-Je, Koh, Deuk-Yong, Kim, Hye-Rim

    “…It is one of important design issues in the high-temperature superconducting fault current limiter (HTS-FCL) to estimate how much liquid nitrogen vaporizes…”
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    Journal Article
  8. 8

    Study on Thermal Response to Instantaneous Heat Generation in LN2 Chamber for HTS-FCL by Ko, Junseok, Yeom, Hankil, Hong, Yong-Ju, Kim, Hyobong, Park, Seong-Je, Koh, Deuk-Yong, Kim, Hye-Rim

    “…This paper describes the thermal response of a high-temperature superconducting (HTS) wire model to instantaneous heat generation in a pressurized liquid…”
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    Journal Article Conference Proceeding
  9. 9

    An Effect of HTS Wire Configuration on Quench Recovery Time in a Resistive SFCL by HEESUN KIM, LEE, Ji-Young, KIM, Hye-Rim, YANG, Seong-Eun, YU, Seung-Duck, KIM, Woo-Seok, HYUN, Ok-Bae, JUNSEOK KO, HANKIL YEOM

    “…We experimentally investigated the correlation between the high-temperature superconducting (HTS) wires configuration in an HTS element and recovery time after…”
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    Journal Article Conference Proceeding
  10. 10

    Stress Analysis for Toroid-Type HTS SMES Coil and Bobbin Structure Considering Large Parallel Magnetic Field by KIM, Kwangmin, LEE, Sangjin, KIM, Seokho, PARK, Minwon, YU, In-Keun, LEE, Ji-Kwang, LEE, Se-Yeon, CHOI, Kyeongdal, SEONG, Ki-Cheol, YEOM, Hankil

    “…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…”
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    Journal Article Conference Proceeding
  11. 11

    Design for In-Field Critical Current Measurement System With 102 Mm 15 T Background Magnet by Lee, Wooseung, Yang, Hongmin, Yeom, Hankil, Lee, SangGap

    “…The critical current of a High-Temperature Superconductor (HTS) tape varies with temperature, external magnetic field magnitude, and field angle. However,…”
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    Journal Article
  12. 12

    The design and testing of a kW-class free-piston Stirling engine for micro-combined heat and power applications by Park, Jiho, Ko, Junseok, Kim, Hyobong, Hong, Yongju, Yeom, Hankil, Park, Seongje, In, Sehwan

    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…”
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    Journal Article
  13. 13

    Development of a large capacity cryopump equipped with a two-stage GM cryocooler by Park, Jiho, Ko, Junseok, Kim, Hyobong, Chu, Sangyoon, Kim, Jongwoo, Kim, Juwon, In, Sehwan, Hong, Yongju, Park, Seongje, Yeom, Hankil

    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…”
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    Journal Article
  14. 14

    Performance tests of high temperature superconducting power cable cooling system by KOH, Deukyong, YEOM, Hankil, HONG, Yongju, LEE, Kwansoo

    “…A high temperature superconducting power cable requires forced flow cooling. Liquid nitrogen is circulated by a pump and cooled down by a subcooling system…”
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    Journal Article Conference Proceeding
  15. 15

    Free-piston Stirling cryocooler (FPSC) for low-temperature applications down to 110 K by Park, Jiho, Kim, Hyobong, Ko, Junseok, In, Sehwan, Hong, Yongju, Yeom, Hankil, Park, Seongje

    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…”
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    Journal Article
  16. 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 by Park, Jiho, In, Sehwan, Ko, Junseok, Kim, Hyobong, Hong, Yongju, Yeom, Hankil, Park, Seongje

    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…”
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    Journal Article
  17. 17

    Genetic-Algorithm-Based Room-Temperature Shimming and Long-Term Operational Protocol for a KBSI 400 MHz all-HTS NMR Magnet by Jang, Jae Young, Hwang, Young Jin, Yang, Hongmin, Kim, Jaemin, Hahn, Seungyong, Yeom, Hankil, Ahn, Minchul, Lee, SangGap

    “…We report room-temperature (RT) shimming results and a long-term operational protocol for a Korea Basic Science Institute (KBSI) 400 MHz high-temperature…”
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    Journal Article
  18. 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 by Hwang, Young Jin, Jang, Jae Young, Hahn, Seungyong, Kim, Jaemin, Yeom, Hankil, Ahn, Minchul, Lee, Wooseung, Yang, Hongmin, Lee, SangGap

    “…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…”
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    Journal Article
  19. 19

    Performance test of gas by-pass type thermal error controller by Hankil Yeom, Seung Woo Lee

    “…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…”
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    Conference Proceeding