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CEC-ICMC 2017 - Abstracts, Timetable and Presentations

9–13 Jul 2017
Monona Terrace Community and Convention Center
US/Central timezone

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Session

C1OrE - Superconducting RF Systems

C1OrE
10 Jul 2017, 16:00
Monona Terrace Community and Convention Center

Monona Terrace Community and Convention Center

Madison, Wisconsin USA

Conveners

C1OrE - Superconducting RF Systems

  • Thomas Nicol (FNAL)
  • Vincent Roger (FNAL)

Presentation materials

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  1. 215. Serial testing of XFEL cryomodules: results of the cryogenic heat load measurements
    Dr Bernd Petersen (DESY)
    10/07/2017, 16:00
    Contributed Oral Presentation

    The European X-ray Free Electron Laser (XFEL) is under commissioning at DESY. The superconducting XFEL linac will produce pulsed electron beam with energy of 17.5 GeV. The linac consist of 800 superconducting niobium 1.3 GHz nine cell cavities and 100 superconducting magnet packages assembled in 100 cryomodules. Each cryomodule has 12 m length and includes the 2K helium II bath circuit for the...

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  2. 214. SNS Proton Power Upgrade
    Matthew Howell (UT Battelle/ORNL)
    10/07/2017, 16:15
    Contributed Oral Presentation

    The Spallation Neutron Source (SNS) at Oak Ridge National Laboratory (ORNL) is preparing for the Proton Power Upgrade (PPU) project to increase the output energy of the accelerator from 1.0 GeV to 1.3 GeV. As part of this project with the combination of increasing the output energy and beam current, the beam power capability will be doubled from 1.4MW to 2.8MW. In this project, seven new high...

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  3. 554. LCLS-II 1.3 GHz Cryomodule Design - Lessons Learned from Testing at Fermilab
    Joshua Kaluzny (Fermilab)
    10/07/2017, 16:30
    Contributed Oral Presentation

    Fermilab’s 1.3 GHz prototype cryomodule for the Linac Coherent Light Source Upgrade (LCLS-II) has been tested at Fermilab’s Cryomodule Test Facility (CMTF). Aspects of the cryomodule design have been studied and tested. The cooldown circuit was used to quickly cool the cavities through the transition temperature, and a heater on the circuit was used to heat incoming helium for warmup. Due...

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  4. 549. Operational Experience from LCLS-II Cryomodule Testing
    Mr Benjamin Hansen (Fermilab)
    10/07/2017, 16:45
    Contributed Oral Presentation

    This paper describes the initial operational experience gained from testing Linac Coherent Light Source II (LCLS-II) cryomodules at Fermilab’s Cryomodule Test Facility (CMTF). Strategies for a controlled slow cooldown to 100K and a fast cooldown past the niobium superconducting transition temperature of 9.2K will be described. The test stand for the cryomodules at CMTF is sloped to match...

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  5. 551. Effects of Thermal Acoustic Oscillations On LCLS-II Cryomodule Testing
    Mr Benjamin Hansen (Fermilab)
    10/07/2017, 17:15
    Contributed Oral Presentation

    Thermoacoustic Oscillations (TAOs) are a well known phenomenon in cryogenics and in most cases is an undesirable effect. During LCLS-II prototype Cryomodule testing, TAOs were observed in both the Cryogenics Distribution System and in the LCLS-II Cryomodule JT and Cooldown Valves. The TAOs manifested themselves through the usual effect of added heat load to the cryogenic system and ice...

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