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THP01 |
Development and Validation of a Fast Cryocooler Maintenance System |
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- V. Nuttens, E. Forton, T. Lamon, Y. Paradis
IBA, Louvain-la-Neuve, Belgium
- A. Zhukovsky
M.I.T. Plasma Science and Fusion Center, Cambridge, USA
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At IBA, we have been developing and testing new systems to simplify cryocooler maintenance at a minimal cost (material, interruption of service). A local heating system has been designed to heat-up both stages of a cryocooler to room temperature while keeping the cold mass at a low temperature. The heating system has to fulfill severe requirements such as high power density, compatibility with vacuum and low temperature, and easy operation. The whole system has been designed and tested in a dedicated test bench and then duplicated onto a full-size superconducting coil. It has been extensively tested under different conditions to prove that the heating system is robust and reliable and has no impact on the superconducting coil performance.
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