Author: Lee, J.
Paper Title Page
WEPMB036 High Pressure Rinsing for Niobium Superconducting Cavity 2202
 
  • Y. Jung, M.J. Joung, M. Lee
    IBS, Daejeon, Republic of Korea
  • J. Lee, J. Seo
    Vitzrotech Co., Ltd., Ansan City, Kyunggi-Do, Republic of Korea
 
  Niobium superconducting cavity is treated with high pressure rinsing to clean the inner surface of the cavity. Either organic or inorganic residues on the inner surface of the cavity can cause serious problems during the cavity operation. A thermal quenching - superconducting material loses its superconductivity - is a typical phenomenon brought out by harmful defects by increasing critical temperature. We have performed high pressure rinsing experiments to check out a prototype HPR machine. HPR experiments were performed with a simplified cavity structure, and analyzed as a function of the pressure, the distance from a nozzle, and the sizes of defects on the niobium surface. In this presentation, we will discuss the performance of the prototype HPR machine.  
DOI • reference for this paper ※ DOI:10.18429/JACoW-IPAC2016-WEPMB036  
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