Author: Jeon, J.H.
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THPMY029 Technical Overview of the PAL-XFEL Low-Conductivity Water Cooling System 3718
  • B.H. Lee, H.-G. Kim, K.W. Kim, K.R. Kim, S.H. Kim, Y. C. Kim, H.M. Lee, M.S. Lee, H. Matsumoto, I. Mok, C.W. Sung, J. Yang
    PAL, Pohang, Republic of Korea
  • J.H. Jeon
    Taeyoung, Seoul, Republic of Korea
  • K.T. Kim
    HMT, Pohang, Republic of Korea
  • I.S. Ko
    POSTECH, Pohang, Kyungbuk, Republic of Korea
  Pohang Accelerator Laboratory (PAL) started operation of an X-ray Free Electron Laser (XFEL) based on 10GeV linear accelerator in FY2015. For accurate temperature control of the various XFEL accelerator devices, a low-conductivity water (LCW) cooling system were installed. The LCW pump station generates LCW controlling the temperature variation within ±0.1°C. The LCW is supplied to klystrons including modulators and various control devices. On the other hand, the precision temperature controlled water to minimize temperature variation down to ±0.02°C. This water is supplied to accelerating columns, wave guide and SLED. Therefore, this paper shows the design, construction and operation of the LCW cooling system.  
DOI • reference for this paper ※ DOI:10.18429/JACoW-IPAC2016-THPMY029  
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